RBF Liquids: An Adaptive Pic Solver Using RBF-FD

Rafael Nakanishi, Filipe Nascimento, Rafael Campos, Paulo Pagliosa, Afonso Paiva We introduce a novel liquid simulation approach that combines a spatially adaptive pressure projection solver with the Particle-in-Cell (PIC) method. The solver relies on a generalized version of the Finite Difference (FD) method to approximate the pressure field and its gradients in tree-based grid discretizations, […]

Functional Optimization of Fluidic Devices with Differentiable Stokes Flow

Tao Du, Kui Wu, Andrew Spielberg, Wojciech Matusik, Bo Zhu, Eftychios Sifakis We present a method for performance-driven optimization of fluidic devices. In our approach, engineers provide a high-level specification of a device using parametric surfaces for the fluid-solid boundaries. They also specify desired flow properties for inlets and outlets of the device. Our computational […]

Complementary Dynamics

Jiayi Eris Zhang, Seungbae Bang, David IW Levin, Alec Jacobson We present a novel approach to enrich arbitrary rig animations with elastodynamic secondary effects. Unlike previous methods which pit rig displacements and physical forces as adversaries against each other, we advocate that physics should complement artists’ intentions. We propose optimizing for elastodynamic displacements in the […]

SIGGRAPH Asia 2020

Monolith: A Monolithic Pressure-Viscosity-Contact Solver for Strong Two-Way Rigid-Rigid Rigid-Fluid Coupling A Novel Discretization and Numerical Solver for Non-Fourier Diffusion Complementary Dynamics Functional Optimization of Fluid Devices with Differentiable Stokes Flow Surface-Only Ferrofluids RBF Liquids: An Adaptive PIC Solve Using RBF-FD Simulation, Modeling and Authoring of Glaciers Stormscapes: Simulating Cloud Dynamics in the Now P-Cloth: […]

A Novel Discretization and Numerical Solver for Non-Fourier Diffusion

Tao Xue, Haozhe Su, Chengguizi Han, Chenfanfu Jiang, Mridul Aanjaneya We introduce the C-F diffusion model [Anderson and Tamma 2006; Xue et al.2018] to computer graphics for diffusion-driven problems that has several attractive properties: (a) it fundamentally explains diffusion from the perspective of the non-equilibrium statistical mechanical Boltzmann TransportE quation, (b) it allows for a […]