Publications

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ACM SIGGRAPH/Eurographics Symposium on Computer Animation (SCA), Computer Graphics Forum · 2026

Closing Trajectories: Equation-Free Cyclic Animation via Koopman Surrogates

Shixun Huang*, Siyuan Chen*†, Yue Chang, Zhecheng Wang, Peter Yichen Chen†

Published / acceptedPeter + collaborators

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arXiv preprint · 2026

DiagGen: Agentic Generation of Deformable Assets with Sim-based Diagnostics for Robotic Simulation

Guanxiong Chen*, Yiduo Qu*, Qianjun Xia*, Pengyu Jing, Yixian Cheng, Bole Ma, Pengzhi Yang, Bingyang Zhou, Ziming Li, Shashwat Suri, Gongbo Sun, Chao Liu, Peter Yichen Chen, Ziqiu Zeng, Fan Shi

PreprintPeter + collaborators

ACM Transactions on Graphics · SIGGRAPH Asia 2026

DiffPhD: A Unified Differentiable Solver for Heterogeneous Elastodynamics

Shih-Yu Lai, Sung-Han Tien, Jui-I Huang, Yen-Chen Tseng, Yi-Ting Chiu, Siyuan Luo, Ziqiu Zeng, Fan Shi, Peter Yichen Chen, Tiantian Liu, Yu-Lun Liu, Bing-Yu Chen

Published / acceptedPeter + collaborators

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ACM Transactions on Graphics (Proc. SIGGRAPH Asia) · 2026

Efficient Open-Boundary Poisson Solves

Xingyu Ni, Jiong Chen†, Siyuan Chen, Caoliwen Wang, Mathieu Desbrun, Taku Komura

Published / acceptedMember collaborations

arXiv preprint · 2026

EUPHORIA: Efficient Universal Planning via Hybrid Optimization for Robust Industrial Robotic Assembly

Shih-Yu Lai, Chia-Ching Yen, Yang-Ting Shen, Peter Yichen Chen, Yu-Lun Liu, Bing-Yu Chen

PreprintPeter + collaborators

Preprint, arXiv:2603.10995 · 2026

Factorized Neural Implicit DMD for Parametric Dynamics

Siyuan Chen*, Zhecheng Wang*†, Yixin Chen, Yue Chang, Peter Yichen Chen, Eitan Grinspun, Jonathan Panuelos

PreprintPeter + collaborators

Preprint, arXiv:2609.36277 · 2026

From Surfaces to Volumes: Registered Geometry for Protein Representation Learning

Siyuan Chen, Cai Zhou, Jinrui Zhang, Zhaokang Liang, Taku Komura, Wojciech Matusik, Stephen Bates, Tommi Jaakkola, Wengong Jin, Peter Yichen Chen, Minghao Guo

PreprintPeter + collaborators

Transactions on Machine Learning Research (TMLR) · 2026

Learning Lagrangian Interaction Dynamics with Sampling-Based Model Order Reduction

Hrishikesh Viswanath, Yue Chang, Aleksey Panas, Julius Berner, Peter Yichen Chen, Aniket Bera

Published / acceptedPeter + collaborators

ACM Transactions on Graphics · SIGGRAPH 2026

M-ABD: Scalable, Efficient, and Robust Multi-Affine-Body Dynamics

Zhiyong He, Dewen Guo, Minghao Guo, Yili Zhao, Wojciech Matusik, Hao Su, Chenfanfu Jiang, Peter Yichen Chen, Yin Yang

Published / acceptedPeter + collaborators

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arXiv preprint · 2026

Matrix-Free Multigrid with Algebraically Consistent Coarsening on Adaptive Octrees

Mengdi Wang, Yuchen Sun, Bo Zhu

PreprintMember collaborations

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Robotics: Science and Systems (RSS) 2026 Outstanding Systems Paper Award

NeuralActuator: Neural Actuation Modeling for Robot Dynamics and External Force Perception

Zhiyang Dou, John U. Onyemelukwe, Hangxing Zhang, Heng Zhang, Minghao Guo, Yunsheng Tian, Michal Piotr Lipiec, Joshua Jacob, Chao Liu, Peter Yichen Chen, Yuri Ivanov, Wojciech Matusik

Published / acceptedPeter + collaborators

arXiv preprint · 2026

Odd-DC: Generalizable Neural Model Reduction via Odd Difference-of-Convex Structure

Shixun Huang, Eitan Grinspun, Yue Chang

PreprintMember collaborations

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International Conference on Learning Representations (ICLR) · 2026

Physically Valid Biomolecular Interaction Modeling with Gauss-Seidel Projection

Siyuan Chen*, Minghao Guo*†, Caoliwen Wang, Anka He Chen, Yikun Zhang, Jingjing Chai, Yin Yang, Wojciech Matusik, Peter Yichen Chen†

Published / acceptedPeter + collaborators

CVPR 2026 · Highlight

PhysSkin: Real-Time and Generalizable Physics-Based Animation via Self-Supervised Neural Skinning

Yuanhang Lei, Tao Cheng, Xingxuan Li, Boming Zhao, Siyuan Huang, Ruizhen Hu, Peter Yichen Chen, Hujun Bao, Zhaopeng Cui

Published / acceptedPeter + collaborators

arXiv preprint · 2026

PINNsur: Physics-Informed Neural Networks for PDEs on Curved Surfaces

Pranav Jain, Navami Kairanda, Peter Yichen Chen, Oded Stein

PreprintPeter + collaborators

IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) · 2026

SG-Splatting: Accelerating 3D Gaussian Splatting with Spherical Gaussians

Yiwen Wang, Siyuan Chen, Ran Yi

Published / acceptedMember collaborations

IEEE Transactions on Visualization and Computer Graphics (TVCG), 2026

Shape from Semantics: 3D Shape Generation from Multi-View Semantics

Liangchen Li, Caoliwen Wang, Yuqi Zhou, Bailin Deng, Juyong Zhang†

Published / acceptedMember collaborations

Graphics Interface · 2026

SpringTime: Learning Simulatable Models of Cloth with Spatially-varying Constitutive Properties

Guanxiong Chen, Shashwat Suri, Yuhao Wu, Etienne Vouga, David I.W. Levin, Dinesh K. Pai

Published / acceptedMember collaborations

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Preprint, arXiv:2609.33208 · 2026

WorldAgent: Verification-Guided Agentic Physical World Construction

Caoliwen Wang*, Mengdi Wang*†, Yige Chen*, Zejia Wu, Bowen Huang, Siyuan Chen, Guanxiong Chen, Lifu Wei, Heng Zhang, Qinghai Zhang, Yin Yang, Guandao Yang, Shiying Xiong, Peng Wang, Chenfanfu Jiang, Peter Yichen Chen

PreprintPeter + collaborators

Preprint, arXiv:2609.19600 · 2026

WorldContact: A Contact-Centric World Model for Scalable Robot Learning

Caoliwen Wang*, Mengdi Wang*†, Heng Zhang, Shixun Huang, Siyuan Chen, Chao Liu, Anpei Chen, Zhendong Wang, Peter Yichen Chen†, Huamin Wang

PreprintPeter + collaborators

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SIGGRAPH Asia 2026 · Conference Track

WorldParticle: Unified World Simulation of Lagrangian Particle Dynamics via Transformer

Caoliwen Wang*, Minghao Guo*†, Siyuan Chen*, Heng Zhang, Mengdi Wang, Xingyu Ni, Hanson Sun, Kunyi Wang, Zherong Pan, Kui Wu, Lingjie Liu, Yin Yang, Chenfanfu Jiang, Taku Komura, Wojciech Matusik, Peter Yichen Chen†

Published / acceptedPeter + collaborators

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Computer Methods in Applied Mechanics and Engineering · 441:117936

A Hybrid Discrete and Continuum Framework for Multiscale Modeling of Granular Media

Maytee Chantharayukhonthorn, Peter Yichen Chen, Yonghao Yue, Eitan Grinspun, Ken Kamrin

Published / acceptedPeter + collaborators

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One Health , 2025

A systematic review of mathematical and machine learning models of Avian Influenza

Shixun Huang, Nicola Luigi Bragazzi, Zahra Movahedi Nia, Murray Gillies, Emma Gardner, Doris Leung, Itlala Gizo, Jude D. Kong

Published / acceptedMember collaborations

ICRA 2025

AI-Enhanced Automatic Design of Efficient Underwater Gliders

Peter Yichen Chen, Pingchuan Ma, Niklas Hagemann, John Romanishin, Wei Wang, Daniela Rus, Wojciech Matusik

Published / acceptedPeter + collaborators

Journal of Computational Physics · 2025

An interface tracking method with triangle edge cuts

Mengdi Wang, Matthew Cong, Bo Zhu

Published / acceptedMember collaborations

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ACM Transactions on Graphics (TOG) · 2025

Cirrus: Adaptive Hybrid Particle-Grid Flow Maps on GPU

Mengdi Wang, Fan Feng, Junlin Li, Bo Zhu

Published / acceptedMember collaborations

ACM Transactions on Graphics (Proceedings of SIGGRAPH) · 2025

Fast Subspace Fluid Simulation with a Temporally-Aware Basis

Siyuan Chen, Yixin Chen, Jonathan Panuelos, Otman Benchekroun, Yue Chang, Eitan Grinspun, Zhecheng Wang†

Published / acceptedMember collaborations

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ICRA 2025

Learning Object Properties Using Robot Proprioception via Differentiable Robot-Object Interaction

Peter Yichen Chen, Chao Liu, Pingchuan Ma, John Eastman, Daniela Rus, Dylan Randle, Yuri Ivanov, Wojciech Matusik

Published / acceptedPeter + collaborators

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SIGGRAPH 2025 Best Paper Honorable Mention

Lifting the Winding Number: Precise Discontinuities in Neural Fields for Physics Simulation

Yue Chang, Mengfei Liu, Zhecheng Wang, Peter Yichen Chen, Eitan Grinspun

Published / acceptedPeter + collaborators

Pacific Graphics (Conference Track), 2025

Neural Shadow Art

Caoliwen Wang, Bailin Deng, Juyong Zhang†

Published / acceptedMember collaborations

SIGGRAPH Asia 2025

Precise Gradient Discontinuities in Neural Fields for Subspace Physics

Mengfei Liu*, Yue Chang*, Zhecheng Wang, Peter Yichen Chen, Eitan Grinspun

Published / acceptedPeter + collaborators

ACM Transactions on Graphics (TOG) · 2025

Real-Time Knit Deformation and Rendering

Tao Huang, Haoyang Shi, Mengdi Wang, Yuxing Qiu, Yin Yang, Kui Wu

Published / acceptedMember collaborations

SIGGRAPH 2025 Best Paper Award

Shape Space Spectra

Yue Chang, Otman Benchekroun, Maurizio M. Chiaramonte, Peter Yichen Chen, Eitan Grinspun

Published / acceptedPeter + collaborators

Physical Review Accelerators and Beams · 2025

Simulation Studies of a High-Repetition-Rate Electron-Driven Surface Muon Beamline at SHINE

Fangchao Liu*, Yusuke Takeuchi*, Si Chen, Siyuan Chen, Kim Siang Khaw†, Meng Lyu, Ziwen Pan, Dong Wang, Jiangtao Wang, Liang Wang, Wenzhen Xu

Published / acceptedMember collaborations

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BioRXiv preprint · 2025

The Effective Inertia of the Lower Limb During Locomotion

Guanxiong Chen, Bastian Wandt, Helge Rhodin, Dinesh K. Pai

PreprintMember collaborations

Harvard Data Science Review (HDSR) 2024

How Can Large Language Models Help Humans in Design and Manufacturing?

Liane Makatura, Michael Foshey, Bohan Wang, Felix HähnLein, Pingchuan Ma, Bolei Deng, Megan Tjandrasuwita, Andrew Spielberg, Crystal Elaine Owens, Peter Yichen Chen, Allan Zhao, Amy Zhu, Wil J Norton, Edward Gu, Joshua Jacob, Yifei Li, Adriana Schulz, Wojciech Matusik

Published / acceptedPeter + collaborators

SIGGRAPH 2024

Neural Monte Carlo Fluid Simulation

Pranav Jain, Ziyin Qu, Peter Yichen Chen, Oded Stein

Published / acceptedPeter + collaborators

arXiv preprint · 2024

PhysMotion: Physics-Grounded Dynamics From a Single Image

Xiyang Tan, Ying Jiang, Xuan Li, Zeshun Zong, Tianyi Xie, Yin Yang, Chenfanfu Jiang

PreprintMember collaborations

SIGGRAPH Courses 2024

Warp: Differentiable Spatial Computing for Python

Miles Macklin, Nicolas Capens, Zeshun Zong, Pingchuan Ma, Peter Yichen Chen, Gergely Klar

Published / acceptedPeter + collaborators

International Conference on Learning Representations (ICLR) 2023 notable-top-25%

CROM: Continuous Reduced-Order Modeling of PDEs Using Implicit Neural Representations

Peter Yichen Chen, Jinxu Xiang, Dong Heon Cho, Yue Chang, G A Pershing, Henrique Teles Maia, Maurizio M Chiaramonte, Kevin Thomas Carlberg, Eitan Grinspun

Published / acceptedPeter + collaborators

International Conference on Machine Learning (ICML) 2023

Implicit Neural Spatial Representations for Time-dependent PDEs

Honglin Chen*, Rundi Wu*, Eitan Grinspun, Changxi Zheng, Peter Yichen Chen

Published / acceptedPeter + collaborators

International Conference on Machine Learning (ICML) 2023

Learning Neural Constitutive Laws from Motion Observations for Generalizable PDE Dynamics

Pingchuan Ma+, Peter Yichen Chen+, Bolei Deng, Joshua B. Tenenbaum, Tao Du, Chuang Gan, Wojciech Matusik

Published / acceptedPeter + collaborators

International Conference on Machine Learning (ICML) 2023

Learning Preconditioner for Conjugate Gradient PDE Solvers

Yichen Li, Peter Yichen Chen, Tao Du, Wojciech Matusik

Published / acceptedPeter + collaborators

SIGGRAPH ASIA 2023

LiCROM: Linear-Subspace Continuous Reduced Order Modeling with Neural Fields

Chang Yue, Peter Yichen Chen+, Maurizio Chiaramonte, Kevin Carlberg, Eitan Grinspun+

Published / acceptedPeter + collaborators

Journal of Computational Physics (JCP) 2023

Model reduction for the material point method via an implicit neural representation of the deformation map

Peter Yichen Chen, Maurizio Chiaramonte, Eitan Grinspun, Kevin Carlberg

Published / acceptedPeter + collaborators

SIGGRAPH ASIA 2023

Neural Stress Fields for Reduced-order Elastoplasticity and Fracture

Zeshun Zong, Xuan Li, Minchen Li, Wojciech Matusik, Eitan Grinspun, Maurizio Chiaramonte, Kevin Carlberg, Chenfanfu Jiang, Peter Yichen Chen

Published / acceptedPeter + collaborators

International Conference on Learning Representations (ICLR) 2023 notable-top-25%

PAC-NeRF: Physics Augmented Continuum Neural Radiance Fields for Geometry-Agnostic System Identification

Xuan Li, Yi-Ling Qiao, Peter Yichen Chen, Krishna Murthy Jatavallabhula, Ming Lin, Chenfanfu Jiang, Chuang Gan

Published / acceptedPeter + collaborators

Preprint, arXiv:2312.10111 · 2023

Plasticine3D: 3D Non-Rigid Editing with Text Guidance by Multi-View Embedding Optimization

Yige Chen, Teng Hu, Yizhe Tang, Siyuan Chen, Ang Chen, Ran Yi

PreprintMember collaborations

ACM Transactions on Graphics (TOG) · 2022

A Clebsch method for free-surface vortical flow simulation

Shiying Xiong, Zhecheng Wang, Mengdi Wang, Bo Zhu

Published / acceptedMember collaborations

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ACM Transactions on Graphics (TOG) · 2022

A moving Eulerian-Lagrangian particle method for thin film and foam simulation

Yitong Deng, Mengdi Wang, Xiangxin Kong, Shiying Xiong, Zangyueyang Xian, Bo Zhu

Published / acceptedMember collaborations

Transactions on Machine Learning Research (TMLR) · 2022

Completeness and Coherence Learning for Fast Arbitrary Style Transfer

Zhijie Wu, Chunjin Song, Guanxiong Chen, Sheng Guo, Weilin Huang

Published / acceptedMember collaborations

ACM Transactions on Graphics · 2022

Hydrophobic and hydrophilic solid-fluid interaction

Jinyuan Liu, Mengdi Wang, Fan Feng, Annie Tang, Qiqin Le, Bo Zhu

Published / acceptedMember collaborations

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19th Conference on Robots and Vision (CRV) · 2022

ROS-X-Habitat: Bridging the ROS Ecosystem with Embodied AI

Guanxiong Chen, Haoyu Yang, Ian M. Mitchell

Published / acceptedMember collaborations

Journal of the Mechanics and Physics of Solids (JMPS) 2021

Hybrid discrete-continuum modeling of shear localization in granular media

Peter Yichen Chen, Maytee Chantharayukhonthorn, Yonghao Yue, Eitan Grinspun, Ken Kamrin

Published / acceptedPeter + collaborators

Frontiers in Robotics and AI · 2021

PAL: A Framework for Physically Assisted Learning Through Design and Exploration With a Haptic Robot Buddy

Soheil Kianzad, Guanxiong Chen, Karon MacLean

Published / acceptedMember collaborations

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ACM Transactions on Graphics (TOG) · 2021

Thin-film smoothed particle hydrodynamics fluid

Mengdi Wang, Yitong Deng, Xiangxin Kong, Aditya H Prasad, Shiying Xiong, Bo Zhu

Published / acceptedMember collaborations

arXiv preprint · 2020

Visual data analysis and simulation prediction for COVID-19

Baoquan Chen, Mingyi Shi, Xingyu Ni, Liangwang Ruan, Hongda Jiang, Heyuan Yao, Mengdi Wang, Zhenhua Song, Qiang Zhou, Tong Ge

PreprintMember collaborations

Innovative Food Science & Emerging Technologies 2019

Characterization of CO2 laser browning of dough

Jonathan David Blutinger, Yorán Meijers, Peter Yichen Chen, Changxi Zheng, Eitan Grinspun, Hod Lipson

Published / acceptedPeter + collaborators

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Journal of food engineering 2019

Visual modeling of laser-induced dough browning

Peter Yichen Chen, Jonathan David Blutinger, Yorán Meijers, Changxi Zheng, Eitan Grinspun, Hod Lipson

Published / acceptedPeter + collaborators

Journal of food engineering 2018

Characterization of dough baked via blue laser

Jonathan David Blutinger, Yorán Meijers, Peter Yichen Chen, Changxi Zheng, Eitan Grinspun, Hod Lipson

Published / acceptedPeter + collaborators