Cristian Romero, Dan Casas, Maurizio M. Chiaramonte, Miguel A. Otaduy We propose a novel method to machine-learn highly detailed, nonlinear contact deformations for real-time dynamic simulation. We depart from previous deformation-learning strategies, and model contact deformations in a contact-centric manner. This strategy shows excellent generalization with respect to the object’s configuration space, and it allows […]

Wojtek Pałubicki, Miłosz Makowski, Weronika Gajda, Torsten Hädrich, Dominik L. Michels, Sören Pirk One of the greatest challenges to mankind is understanding the underlying principles of climate change. Over the last years, the role of forests in climate change has received increased attention. This is due to the observation that not only the atmosphere has […]

Yifei Li, Tao Du, Kui Wu, Jie Xu, Wojciech Matusik Cloth simulation has wide applications in computer animation, garment design, and robot-assisted dressing. This work presents a differentiable cloth simulator whose additional gradient information facilitates cloth-related applications. Our differentiable simulator extends a state-of-the-art cloth simulator based on Projective Dynamics (PD) and with dry frictional contact. […]

Han Shao, Libo Huang, Dominik L. Michels Multigrid methods are quite efficient for solving the pressure Poisson equation in simulations of incompressible flow. However, for viscous liquids, geometric multigrid turned out to be less efficient for solving the variational viscosity equation. In this contribution, we present an Unsmoothed Aggregation Algebraic MultiGrid (UAAMG) method with a […]

Shiying Xiong, Zhecheng Wang, Mengdi Wang, Bo Zhu We propose a novel Clebsch method to simulate the free-surface vortical flow. At the center of our approach lies a level-set method enhanced by a wave-function correction scheme and a wave-function extrapolation algorithm to tackle the Clebsch method’s numerical instabilities near a dynamic interface. By combining the […]

Georg Sperl, Rosa M. Sánchez-Banderas, Manwen Li, Chris Wojtan, Miguel A. Otaduy This paper introduces a methodology for inverse-modeling of yarn-level mechanics of cloth, based on the mechanical response of fabrics in the real world. We compiled a database from physical tests of several different knitted fabrics used in the textile industry. These data span […]

Marcel Padilla, Oliver Gross, Felix Knoppel, Albert Chern, Ulrich Pinkall, Peter Schroder Simulation of stellar atmospheres, such as that of our own sun, is a common task in CGI for scientific visualization, movies and games. A fibrous volumetric texture is a visually dominant feature of the solar corona—the plasma that extends from the solar surface […]

Jerry Hsu, Nghia Truong,Cem Yuksel, Kui Wu Initializing simulations of deformable objects involves setting the rest state of all internal forces at the rest shape of the object. However, often times the rest shape is not explicitly provided. In its absence, it is common to initialize by treating the given initial shape as the rest […]

Fresh new 2022 SIGGRAPH papers, coming in hot! Filament Based Plasma Estimation of Yarn-Level Simulation Models for Production Fabrics A Clebsch Method for Free-Surface Vortical Flow Simulation A Fast Unsmoothed Aggregation Algebraic Multigrid Framework for the Large-Scale Simulation of Incompressible Flow Ecoclimates: Climate-Response Modeling of Vegetation DiffCloth: Differentiable Cloth Simulation with Dry Frictional Contact A […]