Author Archives: christopherbatty

Compressing Fluid Subspaces

Aaron Demby Jones, Pradeep Sen, Theodore Kim Subspace fluid simulations, also known as reduced-order simulations, can be extremely fast, but also require basis matrices that consume an enormous amount of memory. Motivated by the extreme sparsity of Laplacian eigenfunctions in … Continue reading

Posted in Uncategorized | Comments Off on Compressing Fluid Subspaces

Asynchronous Implicit Backward Euler Integration

Danyong Zhao, Yijing Li, Jernej Barbic In standard deformable object simulation in computer animation, all the mesh elements or vertices are timestepped synchronously, i.e., under the same timestep. Previous asynchronous methods have been largely limited to explicit integration. We demonstrate … Continue reading

Posted in Uncategorized | Comments Off on Asynchronous Implicit Backward Euler Integration

Real-time Simulation of Large Elasto-Plastic Deformation with Shape Matching

Nuttapong Chentanez, Matthias Müller, Miles Macklin Shape matching is a popular method for simulating deformable objects in real time as it is fast and stable at large time steps. Although shape matching can simulate large elastic deformation and ductile fracturing, until … Continue reading

Posted in Uncategorized | Comments Off on Real-time Simulation of Large Elasto-Plastic Deformation with Shape Matching

Enriching SPH Simulation by Approximate Capillary Waves

Sheng Yang Xiaowei He Huamin Wang Sheng Li Guoping Wang Enhua Wu Kun Zhou Capillary waves are difficult to simulate due to their fast traveling speed and high frequency. In this paper, we propose to approximate capillary wave effects by … Continue reading

Posted in Uncategorized | Comments Off on Enriching SPH Simulation by Approximate Capillary Waves

Position and Orientation Based Cosserat Rods

Tassilo Kugelstadt, Elmar Schoemer We present a novel method to simulate bending and torsion of elastic rods within the position-based dynamics (PBD) framework. The main challenge is that torsion effects of Cosserat rods are described in terms of material frames … Continue reading

Posted in Uncategorized | Comments Off on Position and Orientation Based Cosserat Rods

Versatile Interactions at Interfaces for SPH-Based Simulations

Tao Yang, Ming C. Lin, Ralph R. Martin, Jian Chang, and Shi-Min Hu The realistic capture of various interactions at interfaces is a challenging problem for SPH-based simulation. Previous works have mainly considered a single type of interaction, while real-world … Continue reading

Posted in Uncategorized | Comments Off on Versatile Interactions at Interfaces for SPH-Based Simulations

SCA 2016 papers

Simulation-related papers from Symposium on Computer Animation 2016: ADMM ⊇ Projective Dynamics: Fast Simulation of General Constitutive Models Compressing Fluid Subspaces Art-Directed Muscle Simulation for High-End Facial Animation Real-time Simulation of Large Elasto-Plastic Deformation with Shape Matching Enriching SPH Simulation … Continue reading

Posted in Uncategorized | 1 Comment

ADMM ⊇ Projective Dynamics: Fast Simulation of General Constitutive Models

Rahul Narain, Matthew Overby, George E. Brown We apply the alternating direction method of multipliers (ADMM) optimization algorithm to implicit time integration of elastic bodies, and show that the resulting method closely relates to the recently proposed projective dynamics algorithm. However, … Continue reading

Posted in Uncategorized | Comments Off on ADMM ⊇ Projective Dynamics: Fast Simulation of General Constitutive Models

Hierarchical hp-Adaptive Signed Distance Fields

Dan Koschier, Crispin Deul, Jan Bender In this paper we propose a novel method to construct hierarchical $hp$-adaptive Signed Distance Fields (SDFs). We discretize the signed distance function of an input mesh using piecewise polynomials on an axis-aligned hexahedral grid. Besides … Continue reading

Posted in Uncategorized | Comments Off on Hierarchical hp-Adaptive Signed Distance Fields

Hele-Shaw Flow Simulation with Interactive Control using Complex Barycentric Coordinates

Aviv Segall, Orestis Vantzos, Mirela Ben-Chen Hele-Shaw flow describes the slow flow of a viscous liquid between two parallel plates separated by a small gap. In some configurations such a flow generates instabilities known as Saffman-Taylor fingers, which form intricate visual … Continue reading

Posted in Uncategorized | Comments Off on Hele-Shaw Flow Simulation with Interactive Control using Complex Barycentric Coordinates