--- _id: '11993' abstract: - lang: eng text: Moulding refers to a set of manufacturing techniques in which a mould, usually a cavity or a solid frame, is used to shape a liquid or pliable material into an object of the desired shape. The popularity of moulding comes from its effectiveness, scalability and versatility in terms of employed materials. Its relevance as a fabrication process is demonstrated by the extensive literature covering different aspects related to mould design, from material flow simulation to the automation of mould geometry design. In this state-of-the-art report, we provide an extensive review of the automatic methods for the design of moulds, focusing on contributions from a geometric perspective. We classify existing mould design methods based on their computational approach and the nature of their target moulding process. We summarize the relationships between computational approaches and moulding techniques, highlighting their strengths and limitations. Finally, we discuss potential future research directions. article_processing_charge: No article_type: original author: - first_name: Thomas full_name: Alderighi, Thomas last_name: Alderighi - first_name: Luigi full_name: Malomo, Luigi last_name: Malomo - first_name: Thomas full_name: Auzinger, Thomas id: 4718F954-F248-11E8-B48F-1D18A9856A87 last_name: Auzinger orcid: 0000-0002-1546-3265 - first_name: Bernd full_name: Bickel, Bernd id: 49876194-F248-11E8-B48F-1D18A9856A87 last_name: Bickel orcid: 0000-0001-6511-9385 - first_name: Paulo full_name: Cignoni, Paulo last_name: Cignoni - first_name: Nico full_name: Pietroni, Nico last_name: Pietroni citation: ama: Alderighi T, Malomo L, Auzinger T, Bickel B, Cignoni P, Pietroni N. State of the art in computational mould design. Computer Graphics Forum. 2022;41(6):435-452. doi:10.1111/cgf.14581 apa: Alderighi, T., Malomo, L., Auzinger, T., Bickel, B., Cignoni, P., & Pietroni, N. (2022). State of the art in computational mould design. Computer Graphics Forum. Wiley. https://doi.org/10.1111/cgf.14581 chicago: Alderighi, Thomas, Luigi Malomo, Thomas Auzinger, Bernd Bickel, Paulo Cignoni, and Nico Pietroni. “State of the Art in Computational Mould Design.” Computer Graphics Forum. Wiley, 2022. https://doi.org/10.1111/cgf.14581. ieee: T. Alderighi, L. Malomo, T. Auzinger, B. Bickel, P. Cignoni, and N. Pietroni, “State of the art in computational mould design,” Computer Graphics Forum, vol. 41, no. 6. Wiley, pp. 435–452, 2022. ista: Alderighi T, Malomo L, Auzinger T, Bickel B, Cignoni P, Pietroni N. 2022. State of the art in computational mould design. Computer Graphics Forum. 41(6), 435–452. mla: Alderighi, Thomas, et al. “State of the Art in Computational Mould Design.” Computer Graphics Forum, vol. 41, no. 6, Wiley, 2022, pp. 435–52, doi:10.1111/cgf.14581. short: T. Alderighi, L. Malomo, T. Auzinger, B. Bickel, P. Cignoni, N. Pietroni, Computer Graphics Forum 41 (2022) 435–452. date_created: 2022-08-28T18:17:01Z date_published: 2022-09-01T00:00:00Z date_updated: 2023-08-03T13:21:55Z day: '01' ddc: - '000' department: - _id: BeBi doi: 10.1111/cgf.14581 external_id: isi: - '000842638900001' file: - access_level: open_access checksum: c40cc8ceb7b7f0512172b883d712198e content_type: application/pdf creator: bbickel date_created: 2022-08-28T18:18:08Z date_updated: 2022-08-28T18:18:08Z description: 'This is the pre-peer reviewed version of the following article: Alderighi, T., Malomo, L., Auzinger, T., Bickel, B., Cignoni, P. and Pietroni, N. (2022), State of the Art in Computational Mould Design. Computer Graphics Forum, which has been published in final form at https://doi.org/10.1111/cgf.14581. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.' file_id: '11994' file_name: star_molding_preprint.pdf file_size: 32480850 relation: main_file title: pre-peer reviewed version file_date_updated: 2022-08-28T18:18:08Z has_accepted_license: '1' intvolume: ' 41' isi: 1 issue: '6' keyword: - Computer Graphics and Computer-Aided Design language: - iso: eng month: '09' oa: 1 oa_version: Submitted Version page: 435-452 publication: Computer Graphics Forum publication_identifier: eissn: - 1467-8659 issn: - 0167-7055 publication_status: published publisher: Wiley quality_controlled: '1' scopus_import: '1' status: public title: State of the art in computational mould design type: journal_article user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8 volume: 41 year: '2022' ... --- _id: '9376' abstract: - lang: eng text: This paper presents a method for designing planar multistable compliant structures. Given a sequence of desired stable states and the corresponding poses of the structure, we identify the topology and geometric realization of a mechanism—consisting of bars and joints—that is able to physically reproduce the desired multistable behavior. In order to solve this problem efficiently, we build on insights from minimally rigid graph theory to identify simple but effective topologies for the mechanism. We then optimize its geometric parameters, such as joint positions and bar lengths, to obtain correct transitions between the given poses. Simultaneously, we ensure adequate stability of each pose based on an effective approximate error metric related to the elastic energy Hessian of the bars in the mechanism. As demonstrated by our results, we obtain functional multistable mechanisms of manageable complexity that can be fabricated using 3D printing. Further, we evaluated the effectiveness of our method on a large number of examples in the simulation and fabricated several physical prototypes. acknowledged_ssus: - _id: M-Shop acknowledgement: 'We would like to thank everyone who contributed to this paper, the authors of artworks for all the examples, including @macrovec-tor_official and Wikimedia for the FLAG semaphore, and @pikisuper-star for the FIGURINE. The photos of iconic poses in the teaser were supplied by (from left to right): Mike Hewitt/Olympics Day 8 - Athletics/Gettty Images, Oneinchpunch/Basketball player training on acourt in New york city/Shutterstock, and Andrew Redington/TigerWoods/Getty Images. We also want to express our gratitude to Christian Hafner for insightful discussions, the IST Austria machine shop SSU, all proof-readers, and anonymous reviewers. This project has received funding from the European Union’s Horizon 2020 research and innovation programme, under the Marie Skłodowska-Curie grant agreement No 642841 (DISTRO), and under the European Research Council grant agreement No 715767 (MATERIALIZABLE).' article_number: '186' article_processing_charge: No article_type: original author: - first_name: Ran full_name: Zhang, Ran id: 4DDBCEB0-F248-11E8-B48F-1D18A9856A87 last_name: Zhang orcid: 0000-0002-3808-281X - first_name: Thomas full_name: Auzinger, Thomas id: 4718F954-F248-11E8-B48F-1D18A9856A87 last_name: Auzinger orcid: 0000-0002-1546-3265 - first_name: Bernd full_name: Bickel, Bernd id: 49876194-F248-11E8-B48F-1D18A9856A87 last_name: Bickel orcid: 0000-0001-6511-9385 citation: ama: Zhang R, Auzinger T, Bickel B. Computational design of planar multistable compliant structures. ACM Transactions on Graphics. 2021;40(5). doi:10.1145/3453477 apa: Zhang, R., Auzinger, T., & Bickel, B. (2021). Computational design of planar multistable compliant structures. ACM Transactions on Graphics. Association for Computing Machinery. https://doi.org/10.1145/3453477 chicago: Zhang, Ran, Thomas Auzinger, and Bernd Bickel. “Computational Design of Planar Multistable Compliant Structures.” ACM Transactions on Graphics. Association for Computing Machinery, 2021. https://doi.org/10.1145/3453477. ieee: R. Zhang, T. Auzinger, and B. Bickel, “Computational design of planar multistable compliant structures,” ACM Transactions on Graphics, vol. 40, no. 5. Association for Computing Machinery, 2021. ista: Zhang R, Auzinger T, Bickel B. 2021. Computational design of planar multistable compliant structures. ACM Transactions on Graphics. 40(5), 186. mla: Zhang, Ran, et al. “Computational Design of Planar Multistable Compliant Structures.” ACM Transactions on Graphics, vol. 40, no. 5, 186, Association for Computing Machinery, 2021, doi:10.1145/3453477. short: R. Zhang, T. Auzinger, B. Bickel, ACM Transactions on Graphics 40 (2021). date_created: 2021-05-08T17:37:08Z date_published: 2021-10-08T00:00:00Z date_updated: 2023-08-08T13:31:38Z day: '08' ddc: - '000' department: - _id: BeBi doi: 10.1145/3453477 ec_funded: 1 external_id: isi: - '000752079300003' file: - access_level: open_access checksum: 8564b3118457d4c8939a8ef2b1a2f16c content_type: application/pdf creator: bbickel date_created: 2021-05-08T17:36:59Z date_updated: 2021-05-08T17:36:59Z file_id: '9377' file_name: Multistable-authorversion.pdf file_size: 18926557 relation: main_file - access_level: open_access checksum: 3b6e874e30bfa1bfc3ad3498710145a1 content_type: video/mp4 creator: bbickel date_created: 2021-05-08T17:38:22Z date_updated: 2021-05-08T17:38:22Z file_id: '9378' file_name: multistable-video.mp4 file_size: 76542901 relation: main_file success: 1 - access_level: open_access checksum: 20dc3bc42e1a912a5b0247c116772098 content_type: application/pdf creator: bbickel date_created: 2021-12-17T08:13:51Z date_updated: 2021-12-17T08:13:51Z description: This document provides additional results and analyzes the robustness and limitations of our approach. file_id: '10562' file_name: multistable-supplementary material.pdf file_size: 3367072 relation: supplementary_material title: Supplementary Material for “Computational Design of Planar Multistable Compliant Structures” file_date_updated: 2021-12-17T08:13:51Z has_accepted_license: '1' intvolume: ' 40' isi: 1 issue: '5' keyword: - multistability - mechanism - computational design - rigidity language: - iso: eng month: '10' oa: 1 oa_version: Published Version project: - _id: 2508E324-B435-11E9-9278-68D0E5697425 call_identifier: H2020 grant_number: '642841' name: Distributed 3D Object Design - _id: 24F9549A-B435-11E9-9278-68D0E5697425 call_identifier: H2020 grant_number: '715767' name: 'MATERIALIZABLE: Intelligent fabrication-oriented Computational Design and Modeling' publication: ACM Transactions on Graphics publication_identifier: eissn: - 1557-7368 issn: - 0730-0301 publication_status: published publisher: Association for Computing Machinery quality_controlled: '1' status: public title: Computational design of planar multistable compliant structures tmp: image: /images/cc_by.png legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0) short: CC BY (4.0) type: journal_article user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8 volume: 40 year: '2021' ... --- _id: '7220' abstract: - lang: eng text: BACKGROUND:The introduction of image-guided methods to bypass surgery has resulted in optimized preoperative identification of the recipients and excellent patency rates. However, the recently presented methods have also been resource-consuming. In the present study, we have reported a cost-efficient planning workflow for extracranial-intracranial (EC-IC) revascularization combined with transdural indocyanine green videoangiography (tICG-VA). METHODS:We performed a retrospective review at a single tertiary referral center from 2011 to 2018. A novel software-derived workflow was applied for 25 of 92 bypass procedures during the study period. The precision and accuracy were assessed using tICG-VA identification of the cortical recipients and a comparison of the virtual and actual data. The data from a control group of 25 traditionally planned procedures were also matched. RESULTS:The intraoperative transfer time of the calculated coordinates averaged 0.8 minute (range, 0.4-1.9 minutes). The definitive recipients matched the targeted branches in 80%, and a neighboring branch was used in 16%. Our workflow led to a significant craniotomy size reduction in the study group compared with that in the control group (P = 0.005). tICG-VA was successfully applied in 19 cases. An average of 2 potential recipient arteries were identified transdurally, resulting in tailored durotomy and 3 craniotomy adjustments. Follow-up patency results were available for 49 bypass surgeries, comprising 54 grafts. The overall patency rate was 91% at a median follow-up period of 26 months. No significant difference was found in the patency rate between the study and control groups (P = 0.317). CONCLUSIONS:Our clinical results have validated the presented planning and surgical workflow and support the routine implementation of tICG-VA for recipient identification before durotomy. article_processing_charge: No article_type: original author: - first_name: Philippe full_name: Dodier, Philippe last_name: Dodier - first_name: Thomas full_name: Auzinger, Thomas id: 4718F954-F248-11E8-B48F-1D18A9856A87 last_name: Auzinger orcid: 0000-0002-1546-3265 - first_name: Gabriel full_name: Mistelbauer, Gabriel last_name: Mistelbauer - first_name: Wei Te full_name: Wang, Wei Te last_name: Wang - first_name: Heber full_name: Ferraz-Leite, Heber last_name: Ferraz-Leite - first_name: Andreas full_name: Gruber, Andreas last_name: Gruber - first_name: Wolfgang full_name: Marik, Wolfgang last_name: Marik - first_name: Fabian full_name: Winter, Fabian last_name: Winter - first_name: Gerrit full_name: Fischer, Gerrit last_name: Fischer - first_name: Josa M. full_name: Frischer, Josa M. last_name: Frischer - first_name: Gerhard full_name: Bavinzski, Gerhard last_name: Bavinzski citation: ama: Dodier P, Auzinger T, Mistelbauer G, et al. Novel software-derived workflow in extracranial–intracranial bypass surgery validated by transdural indocyanine green videoangiography. World Neurosurgery. 2020;134(2):e892-e902. doi:10.1016/j.wneu.2019.11.038 apa: Dodier, P., Auzinger, T., Mistelbauer, G., Wang, W. T., Ferraz-Leite, H., Gruber, A., … Bavinzski, G. (2020). Novel software-derived workflow in extracranial–intracranial bypass surgery validated by transdural indocyanine green videoangiography. World Neurosurgery. Elsevier. https://doi.org/10.1016/j.wneu.2019.11.038 chicago: Dodier, Philippe, Thomas Auzinger, Gabriel Mistelbauer, Wei Te Wang, Heber Ferraz-Leite, Andreas Gruber, Wolfgang Marik, et al. “Novel Software-Derived Workflow in Extracranial–Intracranial Bypass Surgery Validated by Transdural Indocyanine Green Videoangiography.” World Neurosurgery. Elsevier, 2020. https://doi.org/10.1016/j.wneu.2019.11.038. ieee: P. Dodier et al., “Novel software-derived workflow in extracranial–intracranial bypass surgery validated by transdural indocyanine green videoangiography,” World Neurosurgery, vol. 134, no. 2. Elsevier, pp. e892–e902, 2020. ista: Dodier P, Auzinger T, Mistelbauer G, Wang WT, Ferraz-Leite H, Gruber A, Marik W, Winter F, Fischer G, Frischer JM, Bavinzski G. 2020. Novel software-derived workflow in extracranial–intracranial bypass surgery validated by transdural indocyanine green videoangiography. World Neurosurgery. 134(2), e892–e902. mla: Dodier, Philippe, et al. “Novel Software-Derived Workflow in Extracranial–Intracranial Bypass Surgery Validated by Transdural Indocyanine Green Videoangiography.” World Neurosurgery, vol. 134, no. 2, Elsevier, 2020, pp. e892–902, doi:10.1016/j.wneu.2019.11.038. short: P. Dodier, T. Auzinger, G. Mistelbauer, W.T. Wang, H. Ferraz-Leite, A. Gruber, W. Marik, F. Winter, G. Fischer, J.M. Frischer, G. Bavinzski, World Neurosurgery 134 (2020) e892–e902. date_created: 2019-12-29T23:00:48Z date_published: 2020-02-01T00:00:00Z date_updated: 2023-08-17T14:14:23Z day: '01' department: - _id: BeBi doi: 10.1016/j.wneu.2019.11.038 external_id: isi: - '000512878200104' pmid: - '31733380' intvolume: ' 134' isi: 1 issue: '2' language: - iso: eng month: '02' oa_version: None page: e892-e902 pmid: 1 publication: World Neurosurgery publication_identifier: eissn: - 1878-8769 issn: - 1878-8750 publication_status: published publisher: Elsevier quality_controlled: '1' scopus_import: '1' status: public title: Novel software-derived workflow in extracranial–intracranial bypass surgery validated by transdural indocyanine green videoangiography type: journal_article user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8 volume: 134 year: '2020' ... --- _id: '7218' abstract: - lang: eng text: The combined resection of skull-infiltrating tumours and immediate cranioplastic reconstruction predominantly relies on freehand-moulded solutions. Techniques that enable this procedure to be performed easily in routine clinical practice would be useful. A cadaveric study was developed in which a new software tool was used to perform single-stage reconstructions with prefabricated implants after the resection of skull-infiltrating pathologies. A novel 3D visualization and interaction framework was developed to create 10 virtual craniotomies in five cadaveric specimens. Polyether ether ketone (PEEK) implants were manufactured according to the bone defects. The image-guided craniotomy was reconstructed with PEEK and compared to polymethyl methacrylate (PMMA). Navigational accuracy and surgical precision were assessed. The PEEK workflow resulted in up to 10-fold shorter reconstruction times than the standard technique. Surgical precision was reflected by the mean 1.1 ± 0.29 mm distance between the virtual and real craniotomy, with submillimetre precision in 50%. Assessment of the global offset between virtual and actual craniotomy revealed an average shift of 4.5 ± 3.6 mm. The results validated the ‘elective single-stage cranioplasty’ technique as a state-of-the-art virtual planning method and surgical workflow. This patient-tailored workflow could significantly reduce surgical times compared to the traditional, intraoperative acrylic moulding method and may be an option for the reconstruction of bone defects in the craniofacial region. article_processing_charge: No article_type: original author: - first_name: Philippe full_name: Dodier, Philippe last_name: Dodier - first_name: Fabian full_name: Winter, Fabian last_name: Winter - first_name: Thomas full_name: Auzinger, Thomas id: 4718F954-F248-11E8-B48F-1D18A9856A87 last_name: Auzinger orcid: 0000-0002-1546-3265 - first_name: Gabriel full_name: Mistelbauer, Gabriel last_name: Mistelbauer - first_name: Josa M. full_name: Frischer, Josa M. last_name: Frischer - first_name: Wei Te full_name: Wang, Wei Te last_name: Wang - first_name: Ammar full_name: Mallouhi, Ammar last_name: Mallouhi - first_name: Wolfgang full_name: Marik, Wolfgang last_name: Marik - first_name: Stefan full_name: Wolfsberger, Stefan last_name: Wolfsberger - first_name: Lukas full_name: Reissig, Lukas last_name: Reissig - first_name: Firas full_name: Hammadi, Firas last_name: Hammadi - first_name: Christian full_name: Matula, Christian last_name: Matula - first_name: Arnulf full_name: Baumann, Arnulf last_name: Baumann - first_name: Gerhard full_name: Bavinzski, Gerhard last_name: Bavinzski citation: ama: 'Dodier P, Winter F, Auzinger T, et al. Single-stage bone resection and cranioplastic reconstruction: Comparison of a novel software-derived PEEK workflow with the standard reconstructive method. International Journal of Oral and Maxillofacial Surgery. 2020;49(8):P1007-1015. doi:10.1016/j.ijom.2019.11.011' apa: 'Dodier, P., Winter, F., Auzinger, T., Mistelbauer, G., Frischer, J. M., Wang, W. T., … Bavinzski, G. (2020). Single-stage bone resection and cranioplastic reconstruction: Comparison of a novel software-derived PEEK workflow with the standard reconstructive method. International Journal of Oral and Maxillofacial Surgery. Elsevier. https://doi.org/10.1016/j.ijom.2019.11.011' chicago: 'Dodier, Philippe, Fabian Winter, Thomas Auzinger, Gabriel Mistelbauer, Josa M. Frischer, Wei Te Wang, Ammar Mallouhi, et al. “Single-Stage Bone Resection and Cranioplastic Reconstruction: Comparison of a Novel Software-Derived PEEK Workflow with the Standard Reconstructive Method.” International Journal of Oral and Maxillofacial Surgery. Elsevier, 2020. https://doi.org/10.1016/j.ijom.2019.11.011.' ieee: 'P. Dodier et al., “Single-stage bone resection and cranioplastic reconstruction: Comparison of a novel software-derived PEEK workflow with the standard reconstructive method,” International Journal of Oral and Maxillofacial Surgery, vol. 49, no. 8. Elsevier, pp. P1007-1015, 2020.' ista: 'Dodier P, Winter F, Auzinger T, Mistelbauer G, Frischer JM, Wang WT, Mallouhi A, Marik W, Wolfsberger S, Reissig L, Hammadi F, Matula C, Baumann A, Bavinzski G. 2020. Single-stage bone resection and cranioplastic reconstruction: Comparison of a novel software-derived PEEK workflow with the standard reconstructive method. International Journal of Oral and Maxillofacial Surgery. 49(8), P1007-1015.' mla: 'Dodier, Philippe, et al. “Single-Stage Bone Resection and Cranioplastic Reconstruction: Comparison of a Novel Software-Derived PEEK Workflow with the Standard Reconstructive Method.” International Journal of Oral and Maxillofacial Surgery, vol. 49, no. 8, Elsevier, 2020, pp. P1007-1015, doi:10.1016/j.ijom.2019.11.011.' short: P. Dodier, F. Winter, T. Auzinger, G. Mistelbauer, J.M. Frischer, W.T. Wang, A. Mallouhi, W. Marik, S. Wolfsberger, L. Reissig, F. Hammadi, C. Matula, A. Baumann, G. Bavinzski, International Journal of Oral and Maxillofacial Surgery 49 (2020) P1007-1015. date_created: 2019-12-29T23:00:47Z date_published: 2020-08-01T00:00:00Z date_updated: 2023-08-17T14:15:22Z day: '01' department: - _id: BeBi doi: 10.1016/j.ijom.2019.11.011 external_id: isi: - '000556819800005' pmid: - '31866145' intvolume: ' 49' isi: 1 issue: '8' language: - iso: eng month: '08' oa_version: None page: P1007-1015 pmid: 1 publication: International Journal of Oral and Maxillofacial Surgery publication_identifier: eissn: - 1399-0020 issn: - 0901-5027 publication_status: published publisher: Elsevier quality_controlled: '1' scopus_import: '1' status: public title: 'Single-stage bone resection and cranioplastic reconstruction: Comparison of a novel software-derived PEEK workflow with the standard reconstructive method' type: journal_article user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8 volume: 49 year: '2020' ... --- _id: '7117' abstract: - lang: eng text: We propose a novel generic shape optimization method for CAD models based on the eXtended Finite Element Method (XFEM). Our method works directly on the intersection between the model and a regular simulation grid, without the need to mesh or remesh, thus removing a bottleneck of classical shape optimization strategies. This is made possible by a novel hierarchical integration scheme that accurately integrates finite element quantities with sub-element precision. For optimization, we efficiently compute analytical shape derivatives of the entire framework, from model intersection to integration rule generation and XFEM simulation. Moreover, we describe a differentiable projection of shape parameters onto a constraint manifold spanned by user-specified shape preservation, consistency, and manufacturability constraints. We demonstrate the utility of our approach by optimizing mass distribution, strength-to-weight ratio, and inverse elastic shape design objectives directly on parameterized 3D CAD models. article_number: '157' article_processing_charge: No article_type: original author: - first_name: Christian full_name: Hafner, Christian id: 400429CC-F248-11E8-B48F-1D18A9856A87 last_name: Hafner - first_name: Christian full_name: Schumacher, Christian last_name: Schumacher - first_name: Espen full_name: Knoop, Espen last_name: Knoop - first_name: Thomas full_name: Auzinger, Thomas id: 4718F954-F248-11E8-B48F-1D18A9856A87 last_name: Auzinger orcid: 0000-0002-1546-3265 - first_name: Bernd full_name: Bickel, Bernd id: 49876194-F248-11E8-B48F-1D18A9856A87 last_name: Bickel orcid: 0000-0001-6511-9385 - first_name: Moritz full_name: Bächer, Moritz last_name: Bächer citation: ama: 'Hafner C, Schumacher C, Knoop E, Auzinger T, Bickel B, Bächer M. X-CAD: Optimizing CAD Models with Extended Finite Elements. ACM Transactions on Graphics. 2019;38(6). doi:10.1145/3355089.3356576' apa: 'Hafner, C., Schumacher, C., Knoop, E., Auzinger, T., Bickel, B., & Bächer, M. (2019). X-CAD: Optimizing CAD Models with Extended Finite Elements. ACM Transactions on Graphics. ACM. https://doi.org/10.1145/3355089.3356576' chicago: 'Hafner, Christian, Christian Schumacher, Espen Knoop, Thomas Auzinger, Bernd Bickel, and Moritz Bächer. “X-CAD: Optimizing CAD Models with Extended Finite Elements.” ACM Transactions on Graphics. ACM, 2019. https://doi.org/10.1145/3355089.3356576.' ieee: 'C. Hafner, C. Schumacher, E. Knoop, T. Auzinger, B. Bickel, and M. Bächer, “X-CAD: Optimizing CAD Models with Extended Finite Elements,” ACM Transactions on Graphics, vol. 38, no. 6. ACM, 2019.' ista: 'Hafner C, Schumacher C, Knoop E, Auzinger T, Bickel B, Bächer M. 2019. X-CAD: Optimizing CAD Models with Extended Finite Elements. ACM Transactions on Graphics. 38(6), 157.' mla: 'Hafner, Christian, et al. “X-CAD: Optimizing CAD Models with Extended Finite Elements.” ACM Transactions on Graphics, vol. 38, no. 6, 157, ACM, 2019, doi:10.1145/3355089.3356576.' short: C. Hafner, C. Schumacher, E. Knoop, T. Auzinger, B. Bickel, M. Bächer, ACM Transactions on Graphics 38 (2019). date_created: 2019-11-26T14:22:09Z date_published: 2019-11-06T00:00:00Z date_updated: 2024-03-28T23:30:47Z day: '06' ddc: - '000' department: - _id: BeBi doi: 10.1145/3355089.3356576 ec_funded: 1 external_id: isi: - '000498397300007' file: - access_level: open_access checksum: 56a2fb019adcb556d2b022f5e5acb68c content_type: application/pdf creator: bbickel date_created: 2019-11-26T14:24:26Z date_updated: 2020-07-14T12:47:49Z file_id: '7119' file_name: xcad_sup_mat_siga19.pdf file_size: 1673176 relation: supplementary_material title: X-CAD Supplemental Material - access_level: open_access checksum: 5f29d76aceb5102e766cbab9b17d776e content_type: application/pdf creator: bbickel date_created: 2019-11-26T14:24:27Z date_updated: 2020-07-14T12:47:49Z description: This is the author's version of the work. file_id: '7120' file_name: XCAD_authors_version.pdf file_size: 14563618 relation: main_file title: 'X-CAD: Optimizing CAD Models with Extended Finite Elements' - access_level: open_access checksum: 0d31e123286cbec9e28b2001c2bb0d55 content_type: video/mp4 creator: bbickel date_created: 2019-11-26T14:27:37Z date_updated: 2020-07-14T12:47:49Z file_id: '7121' file_name: XCAD_video.mp4 file_size: 259979129 relation: main_file file_date_updated: 2020-07-14T12:47:49Z has_accepted_license: '1' intvolume: ' 38' isi: 1 issue: '6' language: - iso: eng month: '11' oa: 1 oa_version: Submitted Version project: - _id: 24F9549A-B435-11E9-9278-68D0E5697425 call_identifier: H2020 grant_number: '715767' name: 'MATERIALIZABLE: Intelligent fabrication-oriented Computational Design and Modeling' publication: ACM Transactions on Graphics publication_identifier: issn: - 0730-0301 publication_status: published publisher: ACM quality_controlled: '1' related_material: record: - id: '12897' relation: dissertation_contains status: public scopus_import: '1' status: public title: 'X-CAD: Optimizing CAD Models with Extended Finite Elements' type: journal_article user_id: c635000d-4b10-11ee-a964-aac5a93f6ac1 volume: 38 year: '2019' ... --- _id: '304' abstract: - lang: eng text: "Additive manufacturing has recently seen drastic improvements in resolution, making it now possible to fabricate features at scales of hundreds or even dozens of nanometers, which previously required very expensive lithographic methods.\r\nAs a result, additive manufacturing now seems poised for optical applications, including those relevant to computer graphics, such as material design, as well as display and imaging applications.\r\n \r\nIn this work, we explore the use of additive manufacturing for generating structural colors, where the structures are designed using a fabrication-aware optimization process.\r\nThis requires a combination of full-wave simulation, a feasible parameterization of the design space, and a tailored optimization procedure.\r\nMany of these components should be re-usable for the design of other optical structures at this scale.\r\n \r\nWe show initial results of material samples fabricated based on our designs.\r\nWhile these suffer from the prototype character of state-of-the-art fabrication hardware, we believe they clearly demonstrate the potential of additive nanofabrication for structural colors and other graphics applications." acknowledgement: This work was in part supported by King Abdullah University of Science and Technology Baseline Funding. alternative_title: - ACM Transactions on Graphics article_number: '159' article_processing_charge: No author: - first_name: Thomas full_name: Auzinger, Thomas id: 4718F954-F248-11E8-B48F-1D18A9856A87 last_name: Auzinger orcid: 0000-0002-1546-3265 - first_name: Wolfgang full_name: Heidrich, Wolfgang last_name: Heidrich - first_name: Bernd full_name: Bickel, Bernd id: 49876194-F248-11E8-B48F-1D18A9856A87 last_name: Bickel orcid: 0000-0001-6511-9385 citation: ama: Auzinger T, Heidrich W, Bickel B. Computational design of nanostructural color for additive manufacturing. ACM Transactions on Graphics. 2018;37(4). doi:10.1145/3197517.3201376 apa: Auzinger, T., Heidrich, W., & Bickel, B. (2018). Computational design of nanostructural color for additive manufacturing. ACM Transactions on Graphics. ACM. https://doi.org/10.1145/3197517.3201376 chicago: Auzinger, Thomas, Wolfgang Heidrich, and Bernd Bickel. “Computational Design of Nanostructural Color for Additive Manufacturing.” ACM Transactions on Graphics. ACM, 2018. https://doi.org/10.1145/3197517.3201376. ieee: T. Auzinger, W. Heidrich, and B. Bickel, “Computational design of nanostructural color for additive manufacturing,” ACM Transactions on Graphics, vol. 37, no. 4. ACM, 2018. ista: Auzinger T, Heidrich W, Bickel B. 2018. Computational design of nanostructural color for additive manufacturing. ACM Transactions on Graphics. 37(4), 159. mla: Auzinger, Thomas, et al. “Computational Design of Nanostructural Color for Additive Manufacturing.” ACM Transactions on Graphics, vol. 37, no. 4, 159, ACM, 2018, doi:10.1145/3197517.3201376. short: T. Auzinger, W. Heidrich, B. Bickel, ACM Transactions on Graphics 37 (2018). date_created: 2018-12-11T11:45:43Z date_published: 2018-08-01T00:00:00Z date_updated: 2023-09-11T12:46:13Z day: '01' ddc: - '000' - '535' - '680' department: - _id: BeBi doi: 10.1145/3197517.3201376 ec_funded: 1 external_id: isi: - '000448185000120' file: - access_level: open_access checksum: dcdcc955a4c1c6d2599aeebb97d2e7b9 content_type: application/pdf creator: system date_created: 2018-12-12T10:18:14Z date_updated: 2020-07-14T12:45:59Z file_id: '5334' file_name: IST-2018-1024-v1+1_NanoStructColor-Auzinger-paper.pdf file_size: 10751684 relation: main_file - access_level: open_access checksum: cae52b3a8d5e97be84771cd61ea2f75e content_type: application/pdf creator: system date_created: 2018-12-12T10:18:15Z date_updated: 2020-07-14T12:45:59Z file_id: '5335' file_name: IST-2018-1024-v1+2_NanoStructColor-Auzinger-supplemental.pdf file_size: 20755095 relation: main_file - access_level: open_access checksum: 76dd90648f75779d3f64e324b6daaffe content_type: image/jpeg creator: system date_created: 2018-12-12T10:18:16Z date_updated: 2020-07-14T12:45:59Z file_id: '5336' file_name: IST-2018-1024-v1+3_NanoStructColor-Auzinger-image.jpg file_size: 2186944 relation: main_file - access_level: open_access checksum: c3a5b775a0ecdb20ccefb8d9646ec140 content_type: application/x-7z-compressed creator: system date_created: 2018-12-12T10:18:17Z date_updated: 2020-07-14T12:45:59Z file_id: '5337' file_name: IST-2018-1024-v1+4_NanoStructColor-Auzinger-blueprint.7z file_size: 2734352 relation: main_file - access_level: open_access checksum: dcdcc955a4c1c6d2599aeebb97d2e7b9 content_type: application/pdf creator: system date_created: 2018-12-12T10:18:18Z date_updated: 2020-07-14T12:45:59Z file_id: '5338' file_name: IST-2018-1024-v2+1_NanoStructColor-Auzinger-paper.pdf file_size: 10751684 relation: main_file - access_level: open_access checksum: 76dd90648f75779d3f64e324b6daaffe content_type: image/jpeg creator: system date_created: 2018-12-12T10:18:19Z date_updated: 2020-07-14T12:45:59Z file_id: '5339' file_name: IST-2018-1024-v2+3_NanoStructColor-Auzinger-image.jpg file_size: 2186944 relation: main_file - access_level: open_access checksum: c3a5b775a0ecdb20ccefb8d9646ec140 content_type: application/x-7z-compressed creator: system date_created: 2018-12-12T10:18:20Z date_updated: 2020-07-14T12:45:59Z file_id: '5340' file_name: IST-2018-1024-v2+4_NanoStructColor-Auzinger-blueprint.7z file_size: 2734352 relation: main_file - access_level: open_access checksum: 667e91b686db41e44d855a4fb2137402 content_type: application/pdf creator: system date_created: 2018-12-12T10:18:21Z date_updated: 2020-07-14T12:45:59Z file_id: '5341' file_name: IST-2018-1024-v2+5_NanoStructColor-Auzinger-supplemental.pdf file_size: 20755762 relation: main_file - access_level: open_access checksum: dcdcc955a4c1c6d2599aeebb97d2e7b9 content_type: application/pdf creator: system date_created: 2018-12-12T10:18:22Z date_updated: 2020-07-14T12:45:59Z file_id: '5342' file_name: IST-2018-1024-v3+1_NanoStructColor-Auzinger-paper.pdf file_size: 10751684 relation: main_file - access_level: open_access checksum: 76dd90648f75779d3f64e324b6daaffe content_type: image/jpeg creator: system date_created: 2018-12-12T10:18:22Z date_updated: 2020-07-14T12:45:59Z file_id: '5343' file_name: IST-2018-1024-v3+3_NanoStructColor-Auzinger-image.jpg file_size: 2186944 relation: main_file - access_level: open_access checksum: c3a5b775a0ecdb20ccefb8d9646ec140 content_type: application/x-7z-compressed creator: system date_created: 2018-12-12T10:18:23Z date_updated: 2020-07-14T12:45:59Z file_id: '5344' file_name: IST-2018-1024-v3+4_NanoStructColor-Auzinger-blueprint.7z file_size: 2734352 relation: main_file - access_level: open_access checksum: 667e91b686db41e44d855a4fb2137402 content_type: application/pdf creator: system date_created: 2018-12-12T10:18:24Z date_updated: 2020-07-14T12:45:59Z file_id: '5345' file_name: IST-2018-1024-v3+5_NanoStructColor-Auzinger-supplemental.pdf file_size: 20755762 relation: main_file - access_level: open_access checksum: 72dce35388fb1aa7953df4d9ae3d02f1 content_type: application/vnd.openxmlformats-officedocument.presentationml.presentation creator: system date_created: 2018-12-12T10:18:25Z date_updated: 2020-07-14T12:45:59Z file_id: '5346' file_name: IST-2018-1024-v3+6_NanoStructColor-Auzinger-presentation.pptx file_size: 69698068 relation: main_file file_date_updated: 2020-07-14T12:45:59Z has_accepted_license: '1' intvolume: ' 37' isi: 1 issue: '4' language: - iso: eng month: '08' oa: 1 oa_version: Submitted Version project: - _id: 24F9549A-B435-11E9-9278-68D0E5697425 call_identifier: H2020 grant_number: '715767' name: 'MATERIALIZABLE: Intelligent fabrication-oriented Computational Design and Modeling' publication: ACM Transactions on Graphics publication_status: published publisher: ACM pubrep_id: '1028' quality_controlled: '1' related_material: link: - description: News on IST Homepage relation: press_release url: https://ist.ac.at/en/news/color-effects-from-transparent-3d-printed-nanostructures/ scopus_import: '1' status: public title: Computational design of nanostructural color for additive manufacturing type: journal_article user_id: c635000d-4b10-11ee-a964-aac5a93f6ac1 volume: 37 year: '2018' ... --- _id: '12' abstract: - lang: eng text: Molding is a popular mass production method, in which the initial expenses for the mold are offset by the low per-unit production cost. However, the physical fabrication constraints of the molding technique commonly restrict the shape of moldable objects. For a complex shape, a decomposition of the object into moldable parts is a common strategy to address these constraints, with plastic model kits being a popular and illustrative example. However, conducting such a decomposition requires considerable expertise, and it depends on the technical aspects of the fabrication technique, as well as aesthetic considerations. We present an interactive technique to create such decompositions for two-piece molding, in which each part of the object is cast between two rigid mold pieces. Given the surface description of an object, we decompose its thin-shell equivalent into moldable parts by first performing a coarse decomposition and then utilizing an active contour model for the boundaries between individual parts. Formulated as an optimization problem, the movement of the contours is guided by an energy reflecting fabrication constraints to ensure the moldability of each part. Simultaneously, the user is provided with editing capabilities to enforce aesthetic guidelines. Our interactive interface provides control of the contour positions by allowing, for example, the alignment of part boundaries with object features. Our technique enables a novel workflow, as it empowers novice users to explore the design space, and it generates fabrication-ready two-piece molds that can be used either for casting or industrial injection molding of free-form objects. article_number: '135' article_processing_charge: No author: - first_name: Kazutaka full_name: Nakashima, Kazutaka last_name: Nakashima - first_name: Thomas full_name: Auzinger, Thomas id: 4718F954-F248-11E8-B48F-1D18A9856A87 last_name: Auzinger orcid: 0000-0002-1546-3265 - first_name: Emmanuel full_name: Iarussi, Emmanuel id: 33F19F16-F248-11E8-B48F-1D18A9856A87 last_name: Iarussi - first_name: Ran full_name: Zhang, Ran id: 4DDBCEB0-F248-11E8-B48F-1D18A9856A87 last_name: Zhang orcid: 0000-0002-3808-281X - first_name: Takeo full_name: Igarashi, Takeo last_name: Igarashi - first_name: Bernd full_name: Bickel, Bernd id: 49876194-F248-11E8-B48F-1D18A9856A87 last_name: Bickel orcid: 0000-0001-6511-9385 citation: ama: 'Nakashima K, Auzinger T, Iarussi E, Zhang R, Igarashi T, Bickel B. CoreCavity: Interactive shell decomposition for fabrication with two-piece rigid molds. ACM Transaction on Graphics. 2018;37(4). doi:10.1145/3197517.3201341' apa: 'Nakashima, K., Auzinger, T., Iarussi, E., Zhang, R., Igarashi, T., & Bickel, B. (2018). CoreCavity: Interactive shell decomposition for fabrication with two-piece rigid molds. ACM Transaction on Graphics. ACM. https://doi.org/10.1145/3197517.3201341' chicago: 'Nakashima, Kazutaka, Thomas Auzinger, Emmanuel Iarussi, Ran Zhang, Takeo Igarashi, and Bernd Bickel. “CoreCavity: Interactive Shell Decomposition for Fabrication with Two-Piece Rigid Molds.” ACM Transaction on Graphics. ACM, 2018. https://doi.org/10.1145/3197517.3201341.' ieee: 'K. Nakashima, T. Auzinger, E. Iarussi, R. Zhang, T. Igarashi, and B. Bickel, “CoreCavity: Interactive shell decomposition for fabrication with two-piece rigid molds,” ACM Transaction on Graphics, vol. 37, no. 4. ACM, 2018.' ista: 'Nakashima K, Auzinger T, Iarussi E, Zhang R, Igarashi T, Bickel B. 2018. CoreCavity: Interactive shell decomposition for fabrication with two-piece rigid molds. ACM Transaction on Graphics. 37(4), 135.' mla: 'Nakashima, Kazutaka, et al. “CoreCavity: Interactive Shell Decomposition for Fabrication with Two-Piece Rigid Molds.” ACM Transaction on Graphics, vol. 37, no. 4, 135, ACM, 2018, doi:10.1145/3197517.3201341.' short: K. Nakashima, T. Auzinger, E. Iarussi, R. Zhang, T. Igarashi, B. Bickel, ACM Transaction on Graphics 37 (2018). date_created: 2018-12-11T11:44:09Z date_published: 2018-08-04T00:00:00Z date_updated: 2023-09-11T12:48:09Z day: '04' ddc: - '004' - '516' - '670' department: - _id: BeBi doi: 10.1145/3197517.3201341 ec_funded: 1 external_id: isi: - '000448185000096' file: - access_level: open_access checksum: 6a5368bc86c4e1a9fcfe588fd1f14ee8 content_type: application/pdf creator: system date_created: 2018-12-12T10:18:38Z date_updated: 2020-07-14T12:44:38Z file_id: '5360' file_name: IST-2018-1037-v1+1_CoreCavity-AuthorVersion.pdf file_size: 104225664 relation: main_file - access_level: open_access checksum: 3861e693ba47c51f3ec7b7867d573a61 content_type: application/zip creator: system date_created: 2018-12-12T10:18:39Z date_updated: 2020-07-14T12:44:38Z file_id: '5361' file_name: IST-2018-1037-v1+2_CoreCavity-Supplemental.zip file_size: 377743553 relation: main_file - access_level: open_access checksum: 490040c685ed869536e2a18f5a906b94 content_type: video/vnd.objectvideo creator: system date_created: 2018-12-12T10:18:41Z date_updated: 2020-07-14T12:44:38Z file_id: '5362' file_name: IST-2018-1037-v1+3_CoreCavity-Video.mp4 file_size: 162634396 relation: main_file - access_level: open_access checksum: be7fc8b229adda727419b6504b3b9352 content_type: image/jpeg creator: system date_created: 2018-12-12T10:18:42Z date_updated: 2020-07-14T12:44:38Z file_id: '5363' file_name: IST-2018-1037-v1+4_CoreCavity-RepresentativeImage.jpg file_size: 527972 relation: main_file file_date_updated: 2020-07-14T12:44:38Z has_accepted_license: '1' intvolume: ' 37' isi: 1 issue: '4' language: - iso: eng month: '08' oa: 1 oa_version: Submitted Version project: - _id: 24F9549A-B435-11E9-9278-68D0E5697425 call_identifier: H2020 grant_number: '715767' name: 'MATERIALIZABLE: Intelligent fabrication-oriented Computational Design and Modeling' - _id: 2508E324-B435-11E9-9278-68D0E5697425 call_identifier: H2020 grant_number: '642841' name: Distributed 3D Object Design publication: ACM Transaction on Graphics publication_status: published publisher: ACM publist_id: '8044' pubrep_id: '1037' quality_controlled: '1' related_material: link: - description: News on IST Homepage relation: press_release url: https://ist.ac.at/en/news/interactive-software-tool-makes-complex-mold-design-simple/ scopus_import: '1' status: public title: 'CoreCavity: Interactive shell decomposition for fabrication with two-piece rigid molds' type: journal_article user_id: c635000d-4b10-11ee-a964-aac5a93f6ac1 volume: 37 year: '2018' ... --- _id: '398' abstract: - lang: eng text: 'Objective: To report long-term results after Pipeline Embolization Device (PED) implantation, characterize complex and standard aneurysms comprehensively, and introduce a modified flow disruption scale. Methods: We retrospectively reviewed a consecutive series of 40 patients harboring 59 aneurysms treated with 54 PEDs. Aneurysm complexity was assessed using our proposed classification. Immediate angiographic results were analyzed using previously published grading scales and our novel flow disruption scale. Results: According to our new definition, 46 (78%) aneurysms were classified as complex. Most PED interventions were performed in the paraophthalmic and cavernous internal carotid artery segments. Excellent neurologic outcome (modified Rankin Scale 0 and 1) was observed in 94% of patients. Our data showed low permanent procedure-related mortality (0%) and morbidity (3%) rates. Long-term angiographic follow-up showed complete occlusion in 81% and near-total obliteration in a further 14%. Complete obliteration after deployment of a single PED was achieved in all standard aneurysms with 1-year follow-up. Our new scale was an independent predictor of aneurysm occlusion in a multivariable analysis. All aneurysms with a high flow disruption grade showed complete occlusion at follow-up regardless of PED number or aneurysm complexity. Conclusions: Treatment with the PED should be recognized as a primary management strategy for a highly selected cohort with predominantly complex intracranial aneurysms. We further show that a priori assessment of aneurysm complexity and our new postinterventional angiographic flow disruption scale predict occlusion probability and may help to determine the adequate number of per-aneurysm devices.' article_processing_charge: No author: - first_name: Philippe full_name: Dodier, Philippe last_name: Dodier - first_name: Josa full_name: Frischer, Josa last_name: Frischer - first_name: Wei full_name: Wang, Wei last_name: Wang - first_name: Thomas full_name: Auzinger, Thomas id: 4718F954-F248-11E8-B48F-1D18A9856A87 last_name: Auzinger orcid: 0000-0002-1546-3265 - first_name: Ammar full_name: Mallouhi, Ammar last_name: Mallouhi - first_name: Wolfgang full_name: Serles, Wolfgang last_name: Serles - first_name: Andreas full_name: Gruber, Andreas last_name: Gruber - first_name: Engelbert full_name: Knosp, Engelbert last_name: Knosp - first_name: Gerhard full_name: Bavinzski, Gerhard last_name: Bavinzski citation: ama: Dodier P, Frischer J, Wang W, et al. Immediate flow disruption as a prognostic factor after flow diverter treatment long term experience with the pipeline embolization device. World Neurosurgery. 2018;13:e568-e578. doi:10.1016/j.wneu.2018.02.096 apa: Dodier, P., Frischer, J., Wang, W., Auzinger, T., Mallouhi, A., Serles, W., … Bavinzski, G. (2018). Immediate flow disruption as a prognostic factor after flow diverter treatment long term experience with the pipeline embolization device. World Neurosurgery. Elsevier. https://doi.org/10.1016/j.wneu.2018.02.096 chicago: Dodier, Philippe, Josa Frischer, Wei Wang, Thomas Auzinger, Ammar Mallouhi, Wolfgang Serles, Andreas Gruber, Engelbert Knosp, and Gerhard Bavinzski. “Immediate Flow Disruption as a Prognostic Factor after Flow Diverter Treatment Long Term Experience with the Pipeline Embolization Device.” World Neurosurgery. Elsevier, 2018. https://doi.org/10.1016/j.wneu.2018.02.096. ieee: P. Dodier et al., “Immediate flow disruption as a prognostic factor after flow diverter treatment long term experience with the pipeline embolization device,” World Neurosurgery, vol. 13. Elsevier, pp. e568–e578, 2018. ista: Dodier P, Frischer J, Wang W, Auzinger T, Mallouhi A, Serles W, Gruber A, Knosp E, Bavinzski G. 2018. Immediate flow disruption as a prognostic factor after flow diverter treatment long term experience with the pipeline embolization device. World Neurosurgery. 13, e568–e578. mla: Dodier, Philippe, et al. “Immediate Flow Disruption as a Prognostic Factor after Flow Diverter Treatment Long Term Experience with the Pipeline Embolization Device.” World Neurosurgery, vol. 13, Elsevier, 2018, pp. e568–78, doi:10.1016/j.wneu.2018.02.096. short: P. Dodier, J. Frischer, W. Wang, T. Auzinger, A. Mallouhi, W. Serles, A. Gruber, E. Knosp, G. Bavinzski, World Neurosurgery 13 (2018) e568–e578. date_created: 2018-12-11T11:46:15Z date_published: 2018-05-01T00:00:00Z date_updated: 2023-09-11T14:12:33Z day: '01' department: - _id: BeBi doi: 10.1016/j.wneu.2018.02.096 external_id: isi: - '000432942700070' intvolume: ' 13' isi: 1 language: - iso: eng month: '05' oa_version: None page: e568-e578 publication: World Neurosurgery publication_status: published publisher: Elsevier publist_id: '7431' quality_controlled: '1' scopus_import: '1' status: public title: Immediate flow disruption as a prognostic factor after flow diverter treatment long term experience with the pipeline embolization device type: journal_article user_id: c635000d-4b10-11ee-a964-aac5a93f6ac1 volume: 13 year: '2018' ... --- _id: '1002' abstract: - lang: eng text: " We present an interactive design system to create functional mechanical \ objects. Our computational approach allows novice users to retarget an existing mechanical template to a user-specified input shape. Our proposed representation for a mechanical template encodes a parameterized mechanism, mechanical constraints that ensure a physically valid configuration, spatial relationships of mechanical parts to the user-provided shape, and functional constraints that specify an intended functionality. We provide an intuitive interface and optimization-in-the-loop approach for finding a valid configuration of the mechanism and the shape to ensure that higher-level functional goals are met. Our algorithm interactively optimizes the mechanism while the user manipulates the placement of mechanical components and the shape. Our system allows users to efficiently explore various design choices and to synthesize customized mechanical objects that can be fabricated with rapid prototyping technologies. We demonstrate the efficacy of our approach by retargeting various mechanical templates to different shapes and fabricating the resulting functional mechanical objects.\r\n" alternative_title: - ACM Transactions on Graphics article_number: '81' article_processing_charge: No author: - first_name: Ran full_name: Zhang, Ran id: 4DDBCEB0-F248-11E8-B48F-1D18A9856A87 last_name: Zhang orcid: 0000-0002-3808-281X - first_name: Thomas full_name: Auzinger, Thomas id: 4718F954-F248-11E8-B48F-1D18A9856A87 last_name: Auzinger orcid: 0000-0002-1546-3265 - first_name: Duygu full_name: Ceylan, Duygu last_name: Ceylan - first_name: Wilmot full_name: Li, Wilmot last_name: Li - first_name: Bernd full_name: Bickel, Bernd id: 49876194-F248-11E8-B48F-1D18A9856A87 last_name: Bickel orcid: 0000-0001-6511-9385 citation: ama: 'Zhang R, Auzinger T, Ceylan D, Li W, Bickel B. Functionality-aware retargeting of mechanisms to 3D shapes. In: Vol 36. ACM; 2017. doi:10.1145/3072959.3073710' apa: 'Zhang, R., Auzinger, T., Ceylan, D., Li, W., & Bickel, B. (2017). Functionality-aware retargeting of mechanisms to 3D shapes (Vol. 36). Presented at the SIGGRAPH: Computer Graphics and Interactive Techniques, Los Angeles, CA, United States : ACM. https://doi.org/10.1145/3072959.3073710' chicago: Zhang, Ran, Thomas Auzinger, Duygu Ceylan, Wilmot Li, and Bernd Bickel. “Functionality-Aware Retargeting of Mechanisms to 3D Shapes,” Vol. 36. ACM, 2017. https://doi.org/10.1145/3072959.3073710. ieee: 'R. Zhang, T. Auzinger, D. Ceylan, W. Li, and B. Bickel, “Functionality-aware retargeting of mechanisms to 3D shapes,” presented at the SIGGRAPH: Computer Graphics and Interactive Techniques, Los Angeles, CA, United States , 2017, vol. 36, no. 4.' ista: 'Zhang R, Auzinger T, Ceylan D, Li W, Bickel B. 2017. Functionality-aware retargeting of mechanisms to 3D shapes. SIGGRAPH: Computer Graphics and Interactive Techniques, ACM Transactions on Graphics, vol. 36, 81.' mla: Zhang, Ran, et al. Functionality-Aware Retargeting of Mechanisms to 3D Shapes. Vol. 36, no. 4, 81, ACM, 2017, doi:10.1145/3072959.3073710. short: R. Zhang, T. Auzinger, D. Ceylan, W. Li, B. Bickel, in:, ACM, 2017. conference: end_date: 2017-08-03 location: 'Los Angeles, CA, United States ' name: 'SIGGRAPH: Computer Graphics and Interactive Techniques' start_date: 2017-07-30 date_created: 2018-12-11T11:49:38Z date_published: 2017-06-01T00:00:00Z date_updated: 2023-09-22T09:49:31Z day: '01' ddc: - '003' - '004' department: - _id: BeBi doi: 10.1145/3072959.3073710 ec_funded: 1 external_id: isi: - '000406432100049' file: - access_level: open_access content_type: application/pdf creator: system date_created: 2018-12-12T10:09:05Z date_updated: 2018-12-12T10:09:05Z file_id: '4728' file_name: IST-2018-1050-v1+1_MechRet.pdf file_size: 25463895 relation: main_file file_date_updated: 2018-12-12T10:09:05Z has_accepted_license: '1' intvolume: ' 36' isi: 1 issue: '4' language: - iso: eng month: '06' oa: 1 oa_version: Submitted Version project: - _id: 2508E324-B435-11E9-9278-68D0E5697425 call_identifier: H2020 grant_number: '642841' name: Distributed 3D Object Design - _id: 24F9549A-B435-11E9-9278-68D0E5697425 call_identifier: H2020 grant_number: '715767' name: 'MATERIALIZABLE: Intelligent fabrication-oriented Computational Design and Modeling' publication_identifier: issn: - '07300301' publication_status: published publisher: ACM publist_id: '6396' pubrep_id: '1050' quality_controlled: '1' related_material: record: - id: '8386' relation: dissertation_contains status: public scopus_import: '1' status: public title: Functionality-aware retargeting of mechanisms to 3D shapes type: conference user_id: c635000d-4b10-11ee-a964-aac5a93f6ac1 volume: 36 year: '2017' ... --- _id: '1446' abstract: - lang: eng text: The accuracy of interdisciplinarity measurements is directly related to the quality of the underlying bibliographic data. Existing indicators of interdisciplinarity are not capable of reflecting the inaccuracies introduced by incorrect and incomplete records because correct and complete bibliographic data can rarely be obtained. This is the case for the Rao–Stirling index, which cannot handle references that are not categorized into disciplinary fields. We introduce a method that addresses this problem. It extends the Rao–Stirling index to acknowledge missing data by calculating its interval of uncertainty using computational optimization. The evaluation of our method indicates that the uncertainty interval is not only useful for estimating the inaccuracy of interdisciplinarity measurements, but it also delivers slightly more accurate aggregated interdisciplinarity measurements than the Rao–Stirling index. article_processing_charge: No author: - first_name: Maria full_name: Calatrava Moreno, Maria last_name: Calatrava Moreno - first_name: Thomas full_name: Auzinger, Thomas id: 4718F954-F248-11E8-B48F-1D18A9856A87 last_name: Auzinger orcid: 0000-0002-1546-3265 - first_name: Hannes full_name: Werthner, Hannes last_name: Werthner citation: ama: Calatrava Moreno M, Auzinger T, Werthner H. On the uncertainty of interdisciplinarity measurements due to incomplete bibliographic data. Scientometrics. 2016;107(1):213-232. doi:10.1007/s11192-016-1842-4 apa: Calatrava Moreno, M., Auzinger, T., & Werthner, H. (2016). On the uncertainty of interdisciplinarity measurements due to incomplete bibliographic data. Scientometrics. Springer. https://doi.org/10.1007/s11192-016-1842-4 chicago: Calatrava Moreno, Maria, Thomas Auzinger, and Hannes Werthner. “On the Uncertainty of Interdisciplinarity Measurements Due to Incomplete Bibliographic Data.” Scientometrics. Springer, 2016. https://doi.org/10.1007/s11192-016-1842-4. ieee: M. Calatrava Moreno, T. Auzinger, and H. Werthner, “On the uncertainty of interdisciplinarity measurements due to incomplete bibliographic data,” Scientometrics, vol. 107, no. 1. Springer, pp. 213–232, 2016. ista: Calatrava Moreno M, Auzinger T, Werthner H. 2016. On the uncertainty of interdisciplinarity measurements due to incomplete bibliographic data. Scientometrics. 107(1), 213–232. mla: Calatrava Moreno, Maria, et al. “On the Uncertainty of Interdisciplinarity Measurements Due to Incomplete Bibliographic Data.” Scientometrics, vol. 107, no. 1, Springer, 2016, pp. 213–32, doi:10.1007/s11192-016-1842-4. short: M. Calatrava Moreno, T. Auzinger, H. Werthner, Scientometrics 107 (2016) 213–232. date_created: 2018-12-11T11:52:04Z date_published: 2016-04-01T00:00:00Z date_updated: 2021-11-16T08:29:11Z day: '01' ddc: - '000' department: - _id: BeBi doi: 10.1007/s11192-016-1842-4 file: - access_level: open_access checksum: 32d46268588b87d9b686492018e6a2b2 content_type: application/pdf creator: system date_created: 2018-12-12T10:10:56Z date_updated: 2020-07-14T12:44:55Z file_id: '4848' file_name: IST-2016-530-v1+1_s11192-016-1842-4.pdf file_size: 806035 relation: main_file file_date_updated: 2020-07-14T12:44:55Z has_accepted_license: '1' intvolume: ' 107' issue: '1' language: - iso: eng month: '04' oa: 1 oa_version: Published Version page: 213 - 232 publication: Scientometrics publication_status: published publisher: Springer publist_id: '5750' pubrep_id: '530' quality_controlled: '1' related_material: link: - relation: erratum url: https://doi.org/10.1007/s11192-016-1902-9 scopus_import: '1' status: public title: On the uncertainty of interdisciplinarity measurements due to incomplete bibliographic data tmp: image: /images/cc_by.png legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0) short: CC BY (4.0) type: journal_article user_id: 8b945eb4-e2f2-11eb-945a-df72226e66a9 volume: 107 year: '2016' ... --- _id: '1854' abstract: - lang: eng text: In this paper, we present a method for non-rigid, partial shape matching in vector graphics. Given a user-specified query region in a 2D shape, similar regions are found, even if they are non-linearly distorted. Furthermore, a non-linear mapping is established between the query regions and these matches, which allows the automatic transfer of editing operations such as texturing. This is achieved by a two-step approach. First, pointwise correspondences between the query region and the whole shape are established. The transformation parameters of these correspondences are registered in an appropriate transformation space. For transformations between similar regions, these parameters form surfaces in transformation space, which are extracted in the second step of our method. The extracted regions may be related to the query region by a non-rigid transform, enabling non-rigid shape matching. In this paper, we present a method for non-rigid, partial shape matching in vector graphics. Given a user-specified query region in a 2D shape, similar regions are found, even if they are non-linearly distorted. Furthermore, a non-linear mapping is established between the query regions and these matches, which allows the automatic transfer of editing operations such as texturing. This is achieved by a two-step approach. First, pointwise correspondences between the query region and the whole shape are established. The transformation parameters of these correspondences are registered in an appropriate transformation space. For transformations between similar regions, these parameters form surfaces in transformation space, which are extracted in the second step of our method. The extracted regions may be related to the query region by a non-rigid transform, enabling non-rigid shape matching. author: - first_name: Paul full_name: Guerrero, Paul last_name: Guerrero - first_name: Thomas full_name: Auzinger, Thomas id: 4718F954-F248-11E8-B48F-1D18A9856A87 last_name: Auzinger orcid: 0000-0002-1546-3265 - first_name: Michael full_name: Wimmer, Michael last_name: Wimmer - first_name: Stefan full_name: Jeschke, Stefan id: 44D6411A-F248-11E8-B48F-1D18A9856A87 last_name: Jeschke citation: ama: Guerrero P, Auzinger T, Wimmer M, Jeschke S. Partial shape matching using transformation parameter similarity. Computer Graphics Forum. 2014;34(1):239-252. doi:10.1111/cgf.12509 apa: Guerrero, P., Auzinger, T., Wimmer, M., & Jeschke, S. (2014). Partial shape matching using transformation parameter similarity. Computer Graphics Forum. Wiley. https://doi.org/10.1111/cgf.12509 chicago: Guerrero, Paul, Thomas Auzinger, Michael Wimmer, and Stefan Jeschke. “Partial Shape Matching Using Transformation Parameter Similarity.” Computer Graphics Forum. Wiley, 2014. https://doi.org/10.1111/cgf.12509. ieee: P. Guerrero, T. Auzinger, M. Wimmer, and S. Jeschke, “Partial shape matching using transformation parameter similarity,” Computer Graphics Forum, vol. 34, no. 1. Wiley, pp. 239–252, 2014. ista: Guerrero P, Auzinger T, Wimmer M, Jeschke S. 2014. Partial shape matching using transformation parameter similarity. Computer Graphics Forum. 34(1), 239–252. mla: Guerrero, Paul, et al. “Partial Shape Matching Using Transformation Parameter Similarity.” Computer Graphics Forum, vol. 34, no. 1, Wiley, 2014, pp. 239–52, doi:10.1111/cgf.12509. short: P. Guerrero, T. Auzinger, M. Wimmer, S. Jeschke, Computer Graphics Forum 34 (2014) 239–252. date_created: 2018-12-11T11:54:22Z date_published: 2014-11-05T00:00:00Z date_updated: 2021-01-12T06:53:38Z day: '05' ddc: - '000' department: - _id: ChWo doi: 10.1111/cgf.12509 file: - access_level: open_access checksum: 91946bfc509c77f5fd3151a3ff2b2c8f content_type: application/pdf creator: system date_created: 2018-12-12T10:15:58Z date_updated: 2020-07-14T12:45:19Z file_id: '5182' file_name: IST-2016-574-v1+1_Guerrero-2014-TPS-paper.pdf file_size: 24817484 relation: main_file file_date_updated: 2020-07-14T12:45:19Z has_accepted_license: '1' intvolume: ' 34' issue: '1' language: - iso: eng month: '11' oa: 1 oa_version: Submitted Version page: 239 - 252 publication: Computer Graphics Forum publication_status: published publisher: Wiley publist_id: '5246' pubrep_id: '574' quality_controlled: '1' scopus_import: 1 status: public title: Partial shape matching using transformation parameter similarity type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 34 year: '2014' ... --- _id: '2269' abstract: - lang: eng text: This paper presents a parallel, implementation-friendly analytic visibility method for triangular meshes. Together with an analytic filter convolution, it allows for a fully analytic solution to anti-aliased 3D mesh rendering on parallel hardware. Building on recent works in computational geometry, we present a new edge-triangle intersection algorithm and a novel method to complete the boundaries of all visible triangle regions after a hidden line elimination step. All stages of the method are embarrassingly parallel and easily implementable on parallel hardware. A GPU implementation is discussed and performance characteristics of the method are shown and compared to traditional sampling-based rendering methods. acknowledgement: "Funding was provided by the FWF grant P20768-N13.\nWe want to thank the reviewers for their insightful and helpful remarks and Gernot Ziegler for providing help with CUDA. " author: - first_name: Thomas full_name: Thomas Auzinger id: 4718F954-F248-11E8-B48F-1D18A9856A87 last_name: Auzinger orcid: 0000-0002-1546-3265 - first_name: Michael full_name: Wimmer, Michael last_name: Wimmer - first_name: Stefan full_name: Stefan Jeschke id: 44D6411A-F248-11E8-B48F-1D18A9856A87 last_name: Jeschke citation: ama: 'Auzinger T, Wimmer M, Jeschke S. Analytic Visibility on the GPU. Computer Graphics Forum. 2013;32(124):409-418. doi:DOI: 10.1111/cgf.12061' apa: 'Auzinger, T., Wimmer, M., & Jeschke, S. (2013). Analytic Visibility on the GPU. Computer Graphics Forum. Wiley-Blackwell. https://doi.org/DOI: 10.1111/cgf.12061' chicago: 'Auzinger, Thomas, Michael Wimmer, and Stefan Jeschke. “Analytic Visibility on the GPU.” Computer Graphics Forum. Wiley-Blackwell, 2013. https://doi.org/DOI: 10.1111/cgf.12061.' ieee: T. Auzinger, M. Wimmer, and S. Jeschke, “Analytic Visibility on the GPU,” Computer Graphics Forum, vol. 32, no. 124. Wiley-Blackwell, pp. 409–418, 2013. ista: Auzinger T, Wimmer M, Jeschke S. 2013. Analytic Visibility on the GPU. Computer Graphics Forum. 32(124), 409–418. mla: 'Auzinger, Thomas, et al. “Analytic Visibility on the GPU.” Computer Graphics Forum, vol. 32, no. 124, Wiley-Blackwell, 2013, pp. 409–18, doi:DOI: 10.1111/cgf.12061.' short: T. Auzinger, M. Wimmer, S. Jeschke, Computer Graphics Forum 32 (2013) 409–418. date_created: 2018-12-11T11:56:40Z date_published: 2013-05-06T00:00:00Z date_updated: 2021-01-12T06:56:25Z day: '06' doi: 'DOI: 10.1111/cgf.12061' extern: 1 intvolume: ' 32' issue: 124 month: '05' page: 409 - 418 publication: Computer Graphics Forum publication_status: published publisher: Wiley-Blackwell publist_id: '4675' quality_controlled: 0 status: public title: Analytic Visibility on the GPU type: journal_article volume: 32 year: '2013' ... --- _id: '2268' abstract: - lang: eng text: 'This paper presents an analytic formulation for anti-aliased sampling of 2D polygons and 3D polyhedra. Our framework allows the exact evaluation of the convolution integral with a linear function defined on the polytopes. The filter is a spherically symmetric polynomial of any order, supporting approximations to refined variants such as the Mitchell-Netravali filter family. This enables high-quality rasterization of triangles and tetrahedra with linearly interpolated vertex values to regular and non-regular grids. A closed form solution of the convolution is presented and an efficient implementation on the GPU using DirectX and CUDA C is described. ' acknowledgement: |- Funding was provided by the FWF grant P20768-N13. We want to thank the reviewers for their insightful and helpful remarks, Hang Si for making available TetGen and Stefan Bruckner for VolumeShop. alternative_title: - Computer Graphics Forum author: - first_name: Thomas full_name: Thomas Auzinger id: 4718F954-F248-11E8-B48F-1D18A9856A87 last_name: Auzinger orcid: 0000-0002-1546-3265 - first_name: Michael full_name: Guthe, Michael last_name: Guthe - first_name: Stefan full_name: Stefan Jeschke id: 44D6411A-F248-11E8-B48F-1D18A9856A87 last_name: Jeschke citation: ama: 'Auzinger T, Guthe M, Jeschke S. Analytic anti-aliasing of linear functions on polytopes. In: Vol 31. Wiley-Blackwell; 2012:335-344. doi:http://dx.doi.org/10.1111/j.1467-8659.2012.03012.x' apa: 'Auzinger, T., Guthe, M., & Jeschke, S. (2012). Analytic anti-aliasing of linear functions on polytopes (Vol. 31, pp. 335–344). Presented at the EUROGRAPHICS: European Association for Computer Graphics, Wiley-Blackwell. http://dx.doi.org/10.1111/j.1467-8659.2012.03012.x' chicago: Auzinger, Thomas, Michael Guthe, and Stefan Jeschke. “Analytic Anti-Aliasing of Linear Functions on Polytopes,” 31:335–44. Wiley-Blackwell, 2012. http://dx.doi.org/10.1111/j.1467-8659.2012.03012.x. ieee: 'T. Auzinger, M. Guthe, and S. Jeschke, “Analytic anti-aliasing of linear functions on polytopes,” presented at the EUROGRAPHICS: European Association for Computer Graphics, 2012, vol. 31, no. 121, pp. 335–344.' ista: 'Auzinger T, Guthe M, Jeschke S. 2012. Analytic anti-aliasing of linear functions on polytopes. EUROGRAPHICS: European Association for Computer Graphics, Computer Graphics Forum, vol. 31, 335–344.' mla: Auzinger, Thomas, et al. Analytic Anti-Aliasing of Linear Functions on Polytopes. Vol. 31, no. 121, Wiley-Blackwell, 2012, pp. 335–44, doi:http://dx.doi.org/10.1111/j.1467-8659.2012.03012.x. short: T. Auzinger, M. Guthe, S. Jeschke, in:, Wiley-Blackwell, 2012, pp. 335–344. conference: name: 'EUROGRAPHICS: European Association for Computer Graphics' date_created: 2018-12-11T11:56:40Z date_published: 2012-05-13T00:00:00Z date_updated: 2021-01-12T06:56:24Z day: '13' doi: http://dx.doi.org/10.1111/j.1467-8659.2012.03012.x extern: 1 intvolume: ' 31' issue: 121 main_file_link: - open_access: '1' url: https://www.cg.tuwien.ac.at/research/publications/2012/Auzinger_2012_AAA/ month: '05' oa: 1 page: 335 - 344 publication_status: published publisher: Wiley-Blackwell publist_id: '4676' quality_controlled: 0 status: public title: Analytic anti-aliasing of linear functions on polytopes type: conference volume: 31 year: '2012' ...