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基于局部自适应混合积分的动态布料模拟快速方法

沈才樑 李伟 俞立峰 张明敏

计算机应用研究2012,Vol.29Issue(7):2740-2742,3.
计算机应用研究2012,Vol.29Issue(7):2740-2742,3.DOI:10.3969/j.issn.1001-3695.2012.07.093

基于局部自适应混合积分的动态布料模拟快速方法

Fast dynamic cloth simulation based on local adaptive hybrid integration

沈才樑 1李伟 2俞立峰 1张明敏1

作者信息

  • 1. 浙江工业职业技术学院 数字媒体与信息工程学院,浙江绍兴312000
  • 2. 浙江大学CAD&CG国家重点实验室,杭州310000
  • 折叠

摘要

Abstract

The speed and stability of numerical simulation methods in cloth simulation is the bottlenecks problem. This paper presented a novel adaptive implicit-explicit (IMEX) scheme, locally in both space and time. This scheme which took advantage of simulation parameters, applied a local stability criterion to decide the IMEX splitting during the simulation adaptively. Then the simulation could be solved more efficiently and in parallel. In addition, introduced a fast iteration method to instead of the modified preconditioned conjugate gradient for linear equations characteristics. It further directly improved the efficiency of the computation at each time step. Experimental results show that the algorithm has approximate bnear computational complexity and in parallel, gives a stable vision effect.

关键词

局部自适应/布料模拟/数值积分/质点—弹簧模型

Key words

local-adaptive/ cloth simulation/ numerical integration/ mass-spring model

分类

信息技术与安全科学

引用本文复制引用

沈才樑,李伟,俞立峰,张明敏..基于局部自适应混合积分的动态布料模拟快速方法[J].计算机应用研究,2012,29(7):2740-2742,3.

基金项目

国家自然科学基金资助项目(60970076) (60970076)

绍兴市重点科技攻关项目(2010A21034) (2010A21034)

计算机应用研究

OA北大核心CSCDCSTPCD

1001-3695

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