基于改进质点弹簧模型下的布料实时仿真  

Real-time Cloth Simulation Based on Improved Mass-spring Model

作　　者：胡江帆[1] 严佩敏[1] 周俊玮[1] 万旺根[1] 

机构地区：[1]上海大学通信与信息工程学院,上海200072

出　　处：《计算机仿真》2008年第7期184-187,共4页Computer Simulation

基　　金：信息产业部电子信息产业发展基金(2005688)

摘　　要：布料模拟一直是计算机动画的研究热点,且对于虚拟现实技术有着重要意义。在以往的研究中,人们提出了许多模拟织物运动的方法,方法的一个主要缺点是复杂度高、计算效率低,无法满足交互设计和实时动画的要求。在经典质点弹簧模型的表示基础上结合Choi的布料模型,通过简化弹簧弯曲抗力的计算方法,合并了弹簧的结构力和剪切力,从而达到了简化了布料物理模型的目的,提高了模拟的速度。实验证明,采用经改进的质点弹簧模型可以得到实时稳定的布料仿真效果。Cloth simulation has been a hotspot of computer animation and is of great significance for virtual reality technology.During the past time,people presented many fabric simulation methods.A main drawback of these methods is the high complexity and calculation inefficiency,so they can not meet the real-time interactive and animated requirements.Combining with Choi＇s,the cloth modeling is improved based on the classic mass-spring model.Through simplifying the method for calculating bending resistance as well as combining the spring structure with shear forces,the physical model of the material is simplified and the speed of simulation is raised.The experiment proves that the improved particle-spring model can obtain real-time and stable simulation result.

关 键 词：粒子系统 质点弹簧模型 数值积分 碰撞响应 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]