7 citations · 35 across the 31 of their papers we have counts for
15 papers · 1 filter
Projective Affine Body Dynamics for Multibody Systems
Zimeng Ye, Xiaowei He, Yuzhong Guo +3
Multibody systems have widespread applications in diverse fields such as robotics, entertainment, and animation. Their capability to model and simulate intricate interactions among…
Differentiate the Solver, Not the Equation: Reverse-Sweep Adjoints for Block Implicit Simulation
Lei Shu, Ying Jiang, Kui Wu +3
Differentiable simulation is a key component in learning, control, and inverse problems, where gradients through nonlinear implicit solvers are required. Existing approaches either…
Curly Hair Simulation using Curly Finite Elements
Xinming Pei, Zhendong Wang, Lei Lan +3
Realistic simulation of curly hair is challenging due to the tight coupling between macroscopic strand deformation and high-frequency geometric details such as waves and helices. I…
WorldParticle: Unified World Simulation of Lagrangian Particle Dynamics via Transformer
Caoliwen Wang, Minghao Guo, Siyuan Chen +13
A unified simulator that can model diverse physical phenomena without solver-specific redesign is a long-standing goal across simulation science. We present a learning-based partic…
Distributed Affine Body Dynamics with Adaptive Consensus
Jiafeng Liu, Wenhui Zhou, Xinming Pei +5
Affine Body Dynamics (ABD) within the Incremental Potential Contact (IPC) framework provides accurate simulation of extremely stiff solids exhibiting near-rigid behavior, with stri…
Learn2Fold: Structured Origami Generation with World Model Planning
Yanjia Huang, Yunuo Chen, Ying Jiang +4
The ability to transform a flat sheet into a complex three-dimensional structure is a fundamental test of physical intelligence. Unlike cloth manipulation, origami is governed by s…
AnimaMimic: Imitating 3D Animation from Video Priors
Tianyi Xie, Yunuo Chen, Yaowei Guo +5
Creating realistic 3D animation remains a time-consuming and expertise-dependent process, requiring manual rigging, keyframing, and fine-tuning of complex motions. Meanwhile, video…
JGS2: Near Second-order Converging Jacobi/Gauss-Seidel for GPU Elastodynamics
Lei Lan, Zixuan Lu, Chun Yuan +5
In parallel simulation, convergence and parallelism are often seen as inherently conflicting objectives. Improved parallelism typically entails lighter local computation and weaker…
Penetration-free Solid-Fluid Interaction on Shells and Rods
Yuchen Sun, Jinyuan Liu, Yin Yang +3
We introduce a novel approach to simulate the interaction between fluids and thin elastic solids without any penetration. Our approach is centered around an optimization system aug…
Volumetric Homogenization for Knitwear Simulation
Chun Yuan, Haoyang Shi, Lei Lan +6
This paper presents volumetric homogenization, a spatially varying homogenization scheme for knitwear simulation. We are motivated by the observation that macro-scale fabric dynami…
XPBI: Position-Based Dynamics with Smoothing Kernels Handles Continuum Inelasticity
Chang Yu, Xuan Li, Lei Lan +2
PBD and its extension, XPBD, have been predominantly applied to compliant constrained elastodynamics, with their potential in finite strain (visco-) elastoplasticity remaining unde…
Efficient GPU Cloth Simulation with Non-distance Barriers and Subspace Reuse
Lei Lan, Zixuan Lu, Jingyi Long +6
This paper pushes the performance of cloth simulation, making the simulation interactive even for high-resolution garment models while keeping every triangle untangled. The penetra…
PhysGaussian: Physics-Integrated 3D Gaussians for Generative Dynamics
Tianyi Xie, Zeshun Zong, Yuxing Qiu +4
We introduce PhysGaussian, a new method that seamlessly integrates physically grounded Newtonian dynamics within 3D Gaussians to achieve high-quality novel motion synthesis. Employ…
A Contact Proxy Splitting Method for Lagrangian Solid-Fluid Coupling
Tianyi Xie, Minchen Li, Yin Yang +1
We present a robust and efficient method for simulating Lagrangian solid-fluid coupling based on a new operator splitting strategy. We use variational formulations to approximate f…
Affine Body Dynamics: Fast, Stable & Intersection-free Simulation of Stiff Materials
Lei Lan, Danny M. Kaufman, Minchen Li +2
Simulating stiff materials in applications where deformations are either not significant or can safely be ignored is a pivotal task across fields. Rigid body modeling has thus long…