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RiCo: Neural Simulation of Rigid-Body Interactions via Local Contact Reasoning

arXiv cs.GR details RiCo, a neural rigid-body simulator that focuses contact reasoning on nearby surfaces instead of whole-scene pairwise interactions. The model cuts 100-frame position error by 31-35% and orientation …

Ruixiang Ouyang, Guanren Qiao, Fansen Meng, Yueci Deng, Ruixing Jin, Kui Jia, Guiliang Liu ·
physics simulation ai rigid-body contact +1
News

Semi-Implicit Pairwise Descent for Nonlocal Continuum Mechanics

A new continuum mechanics solver aims to make million-scale hyperelastic simulation practical in real time, even with heavy contact and friction. Semi-Implicit Pairwise Descent reformulates FEM motion into pairwise forces, …

Xukun Luo, Xiao Cheng, Yuzhong Guo, Ying Qiao, Wencheng Wang, Xiaowei He ·
graphics simulation physics deformables finite-element-method +1
News

Projective Affine Body Dynamics for Multibody Systems

A new GPU multibody solver reformulates constrained dynamics as affine bodies linked by peridynamic bonds, aiming to handle rigid bodies, flexible joints, contact, and friction in real time. The method …

Zimeng Ye, Xiaowei He, Yuzhong Guo, Yin Yang, Chenfanfu Jiang, Hongan Wang ·
simulation physics multibody-dynamics animation contact +1