Keyframe control of complex particle systems using the adjoint method

C. Wojtan, P. Mucha, G. Turk, in:, ACM, 2006, pp. 15–23.

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Abstract
Control of physical simulation has become a popular topic in the field of computer graphics. Keyframe control has been applied to simulations of rigid bodies, smoke, liquid, flocks, and finite element-based elastic bodies. In this paper, we create a framework for controlling systems of interacting particles -- paying special attention to simulations of cloth and flocking behavior. We introduce a novel integrator-swapping approximation in order to apply the adjoint method to linearized implicit schemes appropriate for cloth simulation. This allows the control of cloth while avoiding computationally infeasible derivative calculations. Meanwhile, flocking control using the adjoint method is significantly more efficient than currently-used methods for constraining group behaviors, allowing the controlled simulation of greater numbers of agents in fewer optimization iterations.
Publishing Year
Date Published
2006-09-01
Page
15 - 23
Conference
SCA: ACM SIGGRAPH/Eurographics Symposium on Computer animation
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Wojtan C, Mucha P, Turk G. Keyframe control of complex particle systems using the adjoint method. In: ACM; 2006:15-23.
Wojtan, C., Mucha, P., & Turk, G. (2006). Keyframe control of complex particle systems using the adjoint method (pp. 15–23). Presented at the SCA: ACM SIGGRAPH/Eurographics Symposium on Computer animation, ACM.
Wojtan, Chris, Peter Mucha, and Greg Turk. “Keyframe Control of Complex Particle Systems Using the Adjoint Method,” 15–23. ACM, 2006.
C. Wojtan, P. Mucha, and G. Turk, “Keyframe control of complex particle systems using the adjoint method,” presented at the SCA: ACM SIGGRAPH/Eurographics Symposium on Computer animation, 2006, pp. 15–23.
Wojtan C, Mucha P, Turk G. 2006. Keyframe control of complex particle systems using the adjoint method. SCA: ACM SIGGRAPH/Eurographics Symposium on Computer animation 15–23.
Wojtan, Chris, et al. Keyframe Control of Complex Particle Systems Using the Adjoint Method. ACM, 2006, pp. 15–23.

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