基于弱弹性拉伸的任意服装模型仿真  

Arbitrary garm ent 3D m odel sim ulation based on weak elastic

作　　者：刘正东[1] 商书元[1] 杜剑侠[1] 

机构地区：[1]北京服装学院计算机信息中心,北京100029

出　　处：《天津工业大学学报》2015年第6期21-25,共5页Journal of Tiangong University

基　　金：国家科技支撑计划项目(2013BAH41F00);北京市教委科技计划面上项目(KYJH02150201/016)

摘　　要：为了提高三维服装模拟的通用性并保证运行过程的实时性,提出了一种针对任意三维服装模型的仿真方法.首先将不规则的顶点按照三角面关系映射成质点弹簧模型,将弹簧视为类刚性杆,但保持迭代过程中的弱弹性.利用Verlet方法快速预测质点的位置,并通过弱弹性约束防止布料过拉伸现象的发生.实验表明该方法克服了传统解算器对模型的规则网格限制,保证了计算的高效性和可靠性,仿真结果更符合织物的物理特性.In order to improve the universality and real-time of 3D garment simulation, a simulation method for arbitrary gar-ment models was proposed. First, the irregular vertices and triangle faces were mapped to the mass-spring model. Spring is regarded as a kind of weak elasticity rod. Then, the Verlet integrator was used for new coordinates, and put constraint compensation on the deformation between masses to prevent the occurrence of over-stretching. The experiment result shows that the algorithm ensures efficiency and stability of the calculation, and overcomes the limitation of the traditional regular model. Simulation result is more in line with the physical properties of fabrics.

关 键 词：服装仿真 质点弹簧模型 三角面 Verlet 

分 类 号：TS941.26[轻工技术与工程—服装设计与工程] TP391.9[自动化与计算机技术—计算机应用技术]