Liquid boundaries for implicit incompressible SPH

Jens Cornelis, Markus Ihmsen, Andreas Peer, Matthias Teschner We propose a novel unified particle representation for fluids and solid boundaries in Implicit Incompressible SPH (IISPH). In contrast to existing particle representations, the proposed concept does not require a separate processing of fluid and boundary particles. On one hand, this results in a simplified solver implementation […]

Real-time Hair Mesh Simulation

Kui Wu, Cem Yuksel We present a robust real-time hair simulation method using hair meshes. Leveraging existing simulation models for sheet-based cloth, we introduce a volumetric force model for incorporating hair interactions inside the hair mesh volume. We also introduce a position correction method that minimizes the local deformation of the hair mesh due to […]

Dexterous Manipulation of Cloth

Yunfei Bai, Wenhao Yu, and C. Karen Liu This paper introduces a new technique to synthesize dexterous manipulation of cloth. Given a simple description of the desired cloth motion, our algorithm computes appropriate joint torques for physically simulated hands, such that, via contact forces, the result of cloth simulation follows the desired motion. Instead of […]

A Practical Method for High-Resolution Embedded Liquid Surfaces

Ryan Goldade, Christopher Batty, Chris Wojtan Combining high-resolution level set surface tracking with lower resolution physics is an inexpensive method for achieving highly detailed liquid animations. Unfortunately, the inherent resolution mismatch introduces several types of disturbing visual artifacts. We identify the primary sources of these artifacts and present simple, efficient, and practical solutions to address […]

Modeling and Estimation of Energy-Based Hyperelastic Objects

Eder Miguel, David Miraut, Miguel A. Otaduy In this paper, we present a method to model hyperelasticity that is well suited for representing the nonlinearity of real-world objects, as well as for estimating it from deformation examples. Previous approaches suffer several limitations, such as lack of integrability of elastic forces, failure to enforce energy convexity, […]

Narrow Band FLIP for Liquid Simulations

Florian Ferstl, Ryoichi Ando, Chris Wojtan, Rudiger Westermann, Nils Thuerey The Fluid Implicit Particle method (FLIP) for liquid simulations uses particles to reduce numerical dissipation and provide important visual cues for events like complex splashes and small-scale features near the liquid surface. Unfortunately, FLIP simulations can be computationally expensive, because they require a dense sampling […]

CAMA: Contact-Aware Matrix Assembly with Unified Collision Handling for GPU-based Cloth Simulation

Min Tang, Huamin Wang, Le Tang, Ruofeng Tong, Dinesh Manocha We present a novel GPU-based approach to robustly and efficiently simulate high-resolution and complexly layered cloth. The key component of our formulation is a parallelized matrix assembly algorithm that can quickly build a large and sparse matrix in a compressed format and accurately solve linear […]