Author Archives: christopherbatty

Wei Li, Tongtong Wang, Zherong Pan, Xifeng Gao, Kui Wu, Mathieu Desbrun Kinetic solvers for incompressible fluid simulation were designed to run efficiently on massively parallel architectures such as GPUs. While these lattice Boltzmann solvers have recently proven much faster … Continue reading →

Xuan Li, Yu Fang, Lei Lan, Huamin Wang, Yin Yang, Minchen Li, Chenfanfu Jiang We propose an efficient cloth simulation method that combines the merits of two drastically different numerical procedures, namely the subspace integration and parallelizable iterative relaxation. We … Continue reading →

Christian Hafner, Bernd Bickel The Kirchhoff rod model describes the bending and twisting of slender elastic rods in three dimensions, and has been widely studied to enable the prediction of how a rod will deform, given its geometry and boundary … Continue reading →

Lorenzo Diazzi, Daniele Panozzo, Amir Vaxman, Marco Attene We present a numerically robust algorithm for computing the constrained Delaunay tetrahedrization (CDT) of a piecewise-linear complex, which has a 100% success rate on the 4408 valid models in the Thingi10k dataset. … Continue reading →

Constrained Delaunay Tetrahedrization: A Robust and Practical Approach The Design Space of Kirchhoff Rods High-Order Moment-Encoded Kinetic Simulation of Turbulent Flows Subspace-Preconditioned GPU Projective Dynamics with Contact for Cloth Simulation Real-time Height-field Simulation of Sand and Water Mixtures A Physically-inspired … Continue reading →

Yu Fang, Minchen Li, Yadi Cao, Xuan Li, Joshuah Wolper, Yin Yang, Chenfanfu Jiang We introduce a variational formulation for simulating sticky interactions between elastoplastic solids. Our method brings a wider range of material behaviors into the reach of the … Continue reading →

Seunghwan Lee, Yifeng Jiang, C. Karen Liu Existing digital human models approximate the human skeletal system using rigid bodies connected by rotational joints. While the simplification is considered acceptable for legs and arms, it significantly lacks fidelity to model rich … Continue reading →

Simon Duenser, Bernhard Thomaszewski, Roi Poranne, Stelian Coros Many flexible structures are characterized by a small number of compliant modes, i.e., large deformation paths that can be traversed with little mechanical effort, whereas resistance to other deformations is much stiffer. … Continue reading →

Alvin Shi, Theodore Kim We analyze a wide class of penalty energies used for contact response through the lens of a reduced frame. Applying our analysis to both spring-based and barrier-based energies, we show that we can obtain closed-form, analytic … Continue reading →

Haomiao Wu, Theodore Kim Angle-based energies appear in numerous physics-based simulation models, including thin-shell bending and isotropic elastic strands. We present a generic analysis of these energies that allows us to analytically filter the negative eigenvalues of the second derivative … Continue reading →