Fluid simulation with articulated bodies

Kwatra N, Wojtan CJ, Carlson M, Essa I, Mucha P, Turk G. 2010. Fluid simulation with articulated bodies. IEEE Transactions on Visualization and Computer Graphics. 16(1), 70–80.

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Journal Article | Published | English
Author
Kwatra, Nipun; Wojtan, ChrisISTA ; Carlson, Mark; Essa, Irfan; Mucha, Peter; Turk, Greg
Abstract
We present an algorithm for creating realistic animations of characters that are swimming through fluids. Our approach combines dynamic simulation with data-driven kinematic motions (motion capture data) to produce realistic animation in a fluid. The interaction of the articulated body with the fluid is performed by incorporating joint constraints with rigid animation and by extending a solid/fluid coupling method to handle articulated chains. Our solver takes as input the current state of the simulation and calculates the angular and linear accelerations of the connected bodies needed to match a particular motion sequence for the articulated body. These accelerations are used to estimate the forces and torques that are then applied to each joint. Based on this approach, we demonstrate simulated swimming results for a variety of different strokes, including crawl, backstroke, breaststroke, and butterfly. The ability to have articulated bodies interact with fluids also allows us to generate simulations of simple water creatures that are driven by simple controllers.
Publishing Year
Date Published
2010-01-01
Journal Title
IEEE Transactions on Visualization and Computer Graphics
Volume
16
Issue
1
Page
70 - 80
IST-REx-ID

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Kwatra N, Wojtan CJ, Carlson M, Essa I, Mucha P, Turk G. Fluid simulation with articulated bodies. IEEE Transactions on Visualization and Computer Graphics. 2010;16(1):70-80. doi:10.1109/TVCG.2009.66
Kwatra, N., Wojtan, C. J., Carlson, M., Essa, I., Mucha, P., & Turk, G. (2010). Fluid simulation with articulated bodies. IEEE Transactions on Visualization and Computer Graphics. IEEE. https://doi.org/10.1109/TVCG.2009.66
Kwatra, Nipun, Christopher J Wojtan, Mark Carlson, Irfan Essa, Peter Mucha, and Greg Turk. “Fluid Simulation with Articulated Bodies.” IEEE Transactions on Visualization and Computer Graphics. IEEE, 2010. https://doi.org/10.1109/TVCG.2009.66.
N. Kwatra, C. J. Wojtan, M. Carlson, I. Essa, P. Mucha, and G. Turk, “Fluid simulation with articulated bodies,” IEEE Transactions on Visualization and Computer Graphics, vol. 16, no. 1. IEEE, pp. 70–80, 2010.
Kwatra N, Wojtan CJ, Carlson M, Essa I, Mucha P, Turk G. 2010. Fluid simulation with articulated bodies. IEEE Transactions on Visualization and Computer Graphics. 16(1), 70–80.
Kwatra, Nipun, et al. “Fluid Simulation with Articulated Bodies.” IEEE Transactions on Visualization and Computer Graphics, vol. 16, no. 1, IEEE, 2010, pp. 70–80, doi:10.1109/TVCG.2009.66.

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