[PDF][PDF] Intersection-free rigid body dynamics

Z Ferguson, M Li, T Schneider, F Gil-Ureta… - ACM Transactions on …, 2021 - par.nsf.gov
Simulations of rigid objects with contact resolution and friction are ubiquitous in computer
graphics and robotics. Rigid body models do not deform. Equipped with just rotational and …

GIPC: Fast and stable Gauss-Newton optimization of IPC barrier energy

K Huang, FM Chitalu, H Lin, T Komura - ACM Transactions on Graphics, 2024 - dl.acm.org
Barrier functions are crucial for maintaining an intersection-and inversion-free simulation
trajectory but existing methods, which directly use distance can restrict implementation …

Implicit swept volume sdf: Enabling continuous collision-free trajectory generation for arbitrary shapes

J Wang, T Zhang, Q Zhang, C Zeng, J Yu, C Xu… - ACM Transactions on …, 2024 - dl.acm.org
In the field of trajectory generation for objects, ensuring continuous collision-free motion
remains a huge challenge, especially for non-convex geometries and complex …

Sum-of-squares collision detection for curved shapes and paths

P Zhang, Z Marschner, J Solomon… - ACM SIGGRAPH 2023 …, 2023 - dl.acm.org
Sum-of-Squares Programming (SOSP) has recently been introduced to graphics as a unified
way to address a large set of difficult problems involving higher order primitives …

Senc: Handling self-collision in neural cloth simulation

Z Liao, S Wang, T Komura - European Conference on Computer Vision, 2024 - Springer
We present SENC, a novel self-supervised neural cloth simulator that addresses the
challenge of cloth self-collision. This problem has remained unresolved due to the gap in …

A generalized continuous collision detection framework of polynomial trajectory for mobile robots in cluttered environments

Z Zhang, Y Zhang, R Han, L Zhang… - IEEE Robotics and …, 2022 - ieeexplore.ieee.org
In this letter, we introduce a generalized continuous collision detection (CCD) framework for
the mobile robot along the polynomial trajectory in cluttered environments including various …

[PDF][PDF] Declarative Specification for Unstructured Mesh Editing Algorithms.

Z Jiang, J Dai, Y Hu, Y Zhou, J Dumas, Q Zhou… - ACM Trans. Graph., 2022 - uvic.ca
Unstructured triangular and tetrahedral meshes are widely used in graphics, engineering,
and scientific computing due to their flexibility to represent objects with complex boundaries …

Jade: A differentiable physics engine for articulated rigid bodies with intersection-free frictional contact

G Yang, S Luo, Y Feng, Z Sun, C Tie… - 2024 IEEE International …, 2024 - ieeexplore.ieee.org
We present Jade, a differentiable physics engine for articulated rigid bodies. Jade models
contacts as the Linear Complementarity Problem (LCP). Compared to existing differentiable …