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Parallel cloth simulation Using OpenGL Shading Language

Computer Systems Science & Engineering 2022年第5期41卷 427-443页

作者： Hongly Va Min-Hyung Choi Min Hong Department of Software Convergence Soonchunhyang UniversityAsan31538Korea Department of Computer Science and Engineering University of Colorado DenverDenverCO 80217USA Department of Computer Software Engineering Soonchunhyang UniversityAsan31538Korea

The primary goal of cloth simulation is to express object behavior in a realistic manner and achieve real-time performance by following the fundamental concept of *** general,the mass–spring system is applied to real-time cloth simulation with three types of ***,hard spring cloth simulation using the mass–spring system requires a small integration time-step in order to use a large stiffness ***,to obtain stable behavior,constraint enforcement is used instead of maintenance of the force of each *** force computation involves a large sparse linear solving *** to the large computation,we implement a cloth simulation using adaptive constraint activation and deactivation techniques that involve the mass-spring system and constraint enforcement method to prevent excessive elongation of *** the same time,when the length of the spring is stretched or compressed over a defined threshold,adaptive constraint activation and deactivation method deactivates the spring and generate the implicit *** method that uses a serial process of the Central Processing Unit(CPU)to solve the system in every frame cannot handle the complex structure of cloth model in *** simulation utilizes the Graphic Processing Unit(GPU)parallel processing with compute shader in OpenGL Shading Language(GLSL)to solve the system *** this paper,we design and implement parallel method for cloth simulation,and experiment on the performance and behavior comparison of the mass-spring system,constraint enforcement,and adaptive constraint activation and deactivation techniques the using GPU-based parallel method.

关键词： Adaptive constraint cloth simulation constraint enforcement GLSL compute shader mass–spring system parallel GPU

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An Isogeometric cloth simulation Based on Fast Projection Method

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Computer Modeling in Engineering & Sciences 2023年第3期134卷 1837-1853页

作者： Xuan Peng Chao Zheng Department of Mechanical Engineering Suzhou University of Science and TechnologySuzhou215009China Simshow High Technology Co. Ltd.Chengdu610042China Department of Mechanical and Industrial Engineering The University of IowaIowa CityIA 52242-1527USA

A novel continuum-based fast projection scheme is proposed for cloth *** geometry is described by NURBS,and the dynamic response is modeled by a displacement-only Kirchhoff-Love shell element formulated directly on NURBS *** fast projection method,which solves strain limiting as a constrained Lagrange problem,is extended to the continuum *** examples are studied to demonstrate the performance of the current *** proposed approach can be applied to grids of arbitrary topology and can eliminate unrealistic over-stretching efficiently if compared to spring-based methodologies.

关键词： cloth simulation isogeometric analysis strain limiting fast projection

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Research of Fast cloth simulation Based on Mass-Spring Model

Research of Fast Cloth Simulation Based on Mass-Spring Model

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2012 National Conference on Information Technology and Computer Science

作者： Cao Zhenfang State Key Lab of Virtual Reality Technology and Systems Beijing University of Aeronautics and Astronautics Beijing,China He Bing State Key Lab of Virtual Reality Technology and Systems Beijing University of Aeronautics and Astronautics Beijing,China

In cloth simulation based on the spring-mass model,algorithm dealing with super-elasticity reduces the simulation efficiency to some *** on the correction algorithm of modifying position and velocity,an improved algorithm is proposed which can improve the efficiency ***,for collision detection,a cloth tree updating algorithm is proposed to improve the balance of cloth tree and speed up cloth collision detection efficiency.

关键词： cloth simulation Mass-Spring Super-Elasticity

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