LapGym-an open source framework for reinforcement learning in robot-assisted laparoscopic surgery

PM Scheikl, BĂĄ Gyenes, R Younis, C Haas… - Journal of Machine …, 2023 - jmlr.org
Recent advances in reinforcement learning (RL) have increased the promise of introducing
cognitive assistance and automation to robot-assisted laparoscopic surgery (RALS) …

Swarm reinforcement learning for adaptive mesh refinement

N Freymuth, P Dahlinger, T Würth… - Advances in …, 2024 - proceedings.neurips.cc
Abstract The Finite Element Method, an important technique in engineering, is aided by
Adaptive Mesh Refinement (AMR), which dynamically refines mesh regions to allow for a …

Learning flexible body collision dynamics with hierarchical contact mesh transformer

YY Yu, J Choi, W Cho, K Lee, N Kim, K Chang… - arxiv preprint arxiv …, 2023 - arxiv.org
Recently, many mesh-based graph neural network (GNN) models have been proposed for
modeling complex high-dimensional physical systems. Remarkable achievements have …

Scaling Face Interaction Graph Networks to Real World Scenes

T Lopez-Guevara, Y Rubanova, WF Whitney… - arxiv preprint arxiv …, 2024 - arxiv.org
Accurately simulating real world object dynamics is essential for various applications such
as robotics, engineering, graphics, and design. To better capture complex real dynamics …

Adaptive Swarm Mesh Refinement using Deep Reinforcement Learning with Local Rewards

N Freymuth, P Dahlinger, T Würth, S Reisch… - arxiv preprint arxiv …, 2024 - arxiv.org
Simulating physical systems is essential in engineering, but analytical solutions are limited
to straightforward problems. Consequently, numerical methods like the Finite Element …

Learning Differentiable Tensegrity Dynamics using Graph Neural Networks

N Chen, K Wang, WR Johnson III… - arxiv preprint arxiv …, 2024 - arxiv.org
Tensegrity robots are composed of rigid struts and flexible cables. They constitute an
emerging class of hybrid rigid-soft robotic systems and are promising systems for a wide …

DEL: Discrete Element Learner for Learning 3D Particle Dynamics with Neural Rendering

J Wang, J Sun, J He, Z Zhang, Q Zhang, M Sun… - arxiv preprint arxiv …, 2024 - arxiv.org
Learning-based simulators show great potential for simulating particle dynamics when 3D
groundtruth is available, but per-particle correspondences are not always accessible. The …

Transfer learning in Scalable Graph Neural Network for Improved Physical Simulation

S Shen, Y Liu, D Biggs, O Hafez, J Yu, W Zhang… - arxiv preprint arxiv …, 2025 - arxiv.org
In recent years, Graph Neural Network (GNN) based models have shown promising results
in simulating physics of complex systems. However, training dedicated graph network based …

Joint Graph Rewiring and Feature Denoising via Spectral Resonance

J Linkerhägner, C Shi, I Dokmanić - arxiv preprint arxiv:2408.07191, 2024 - arxiv.org
In graph learning the graph and the node features both contain noisy information about the
node labels. In this paper we propose joint denoising and rewiring (JDR)--an algorithm to …

MBDS: A Multi-Body Dynamics Simulation Dataset for Graph Networks Simulators

S Yang, F Wu, J Zhao - arxiv preprint arxiv:2410.03107, 2024 - arxiv.org
Modeling the structure and events of the physical world constitutes a fundamental objective
of neural networks. Among the diverse approaches, Graph Network Simulators (GNS) have …