Coping with friction for non-penetrating rigid body simulation
Proceedings of the 18th annual conference on Computer graphics and interactive techniques
Fast contact force computation for nonpenetrating rigid bodies
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
Impulse-based simulation of rigid bodies
I3D '95 Proceedings of the 1995 symposium on Interactive 3D graphics
Rigid-Body Dynamics with Friction and Impact
SIAM Review
Timewarp rigid body simulation
Proceedings of the 27th annual conference on Computer graphics and interactive techniques
Interactive manipulation of rigid body simulations
Proceedings of the 27th annual conference on Computer graphics and interactive techniques
Sampling plausible solutions to multi-body constraint problems
Proceedings of the 27th annual conference on Computer graphics and interactive techniques
SIGGRAPH '88 Proceedings of the 15th annual conference on Computer graphics and interactive techniques
Realistic animation of rigid bodies
SIGGRAPH '88 Proceedings of the 15th annual conference on Computer graphics and interactive techniques
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
Nonconvex rigid bodies with stacking
ACM SIGGRAPH 2003 Papers
Motion sketching for control of rigid-body simulations
ACM Transactions on Graphics (TOG)
Fluid control using the adjoint method
ACM SIGGRAPH 2004 Papers
Fast frictional dynamics for rigid bodies
ACM SIGGRAPH 2005 Papers
Dynamic Simulation of Articulated Rigid Bodies with Contact and Collision
IEEE Transactions on Visualization and Computer Graphics
Keyframe control of complex particle systems using the adjoint method
Proceedings of the 2006 ACM SIGGRAPH/Eurographics symposium on Computer animation
Geometric, variational integrators for computer animation
Proceedings of the 2006 ACM SIGGRAPH/Eurographics symposium on Computer animation
Many-worlds browsing for control of multibody dynamics
ACM SIGGRAPH 2007 papers
Controlling multibody dynamics via browsing and time reversal
Controlling multibody dynamics via browsing and time reversal
Interactive synthesis of human-object interaction
Proceedings of the 2009 ACM SIGGRAPH/Eurographics Symposium on Computer Animation
Statistical simulation of rigid bodies
Proceedings of the 2009 ACM SIGGRAPH/Eurographics Symposium on Computer Animation
Controllable simulation of particle system
ISVC'11 Proceedings of the 7th international conference on Advances in visual computing - Volume Part II
Fluid simulation using Laplacian eigenfunctions
ACM Transactions on Graphics (TOG)
Guided exploration of physically valid shapes for furniture design
ACM Transactions on Graphics (TOG) - SIGGRAPH 2012 Conference Proceedings
Automated constraint placement to maintain pile shape
ACM Transactions on Graphics (TOG) - Proceedings of ACM SIGGRAPH Asia 2012
Real-time example-based elastic deformation
EUROSCA'12 Proceedings of the 11th ACM SIGGRAPH / Eurographics conference on Computer Animation
Real-time example-based elastic deformation
Proceedings of the ACM SIGGRAPH/Eurographics Symposium on Computer Animation
Near-exhaustive precomputation of secondary cloth effects
ACM Transactions on Graphics (TOG) - SIGGRAPH 2013 Conference Proceedings
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Physically based simulation of rigid body dynamics is commonly done by time-stepping systems forward in time. In this paper, we propose methods to allow time-stepping rigid body systems back-ward in time. Unfortunately, reverse-time integration of rigid bodies involving frictional contact is mathematically ill-posed, and can lack unique solutions. We instead propose time-reversed rigid body integrators that can sample possible solutions when unique ones do not exist. We also discuss challenges related to dissipation-related energy gain, sensitivity to initial conditions, stacking, constraints and articulation, rolling, sliding, skidding, bouncing, high angular velocities, rapid velocity growth from micro-collisions, and other problems encountered when going against the usual flow of time.