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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 →

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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 →

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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 →

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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 →

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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 →

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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 →

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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 →

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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 →

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Preserving Geometry and Topology for Fluid Flows with Thin Obstacles and Narrow Gaps

Vinicius C. Azevedo, Christopher Batty, Manuel M. Oliveira Fluid animation methods based on Eulerian grids have long struggled to resolve flows involving narrow gaps and thin solid features. Past approaches have artificially inflated or voxelized boundaries, although this sacrifices the … Continue reading →

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Multiphase SPH Simulation for Interactive Fluids and Solids

Xiao Yan, Yun-Tao Jiang, Chen-Feng Li, Ralph R. Martin, and Shi-Min Hu This work extends existing multiphase-fluid SPH frameworks to cover solid phases, including deformable bodies and granular materials. In our extended multiphase SPH framework, the distribution and shapes of … Continue reading →

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