Deformation Constraints in a Mass-Spring Model to Describe Rigid Cloth Behavior

Deformation Constraints in a Mass-Spring Model to Describe Rigid Cloth Behavior
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发表时间:
1995
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通讯作者:
Xavier Provot
Xavier Provot
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其他
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作者:
Xavier Provot

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本文描述了一种基于物理(CID:12)的布料对象(CID:13)动画模型,该模型是从弹性(CID:12)可成形模型(CID:13)导出的,并加以改进以考虑机织物(CID:12)的非弹性性质(CID:2)布料对象被(CID:14)近似为由质量和弹簧(CID:13)网络组成的可变形表面,其运动是用动力学基本定律(CID:2)的数值积分来估计的高应力集中出现在表面的一小块区域(CID:13)。与纺织品的实际De(CID:12)变形相比,使用这样的弹性模型(CID:13),局部De(CID:12)的变形变得不现实。到目前为止,减少这些变形的唯一解决方案是增加变形弹簧(CID:13)的STI(CID:15)度,但我们表明这会显著增加算法(CID:2)的成本。因此,我们提出了一种新的方法来使我们的模型适应于特定的STI(CID:13)。15)纺织品的性能(CID:13)源自动态in(CID:12)诗句程序(CID:2)
This paper describes a physically(cid:12)based model for animating cloth objects(cid:13) derived from elastically de(cid:12) formable models(cid:13) and improved in order to take into account the non(cid:12)elastic properties of woven fabrics(cid:2) A cloth object is (cid:14)rst approximated to a deformable surface composed of a network of massesand springs(cid:13) the movement of which is evaluated using the numer(cid:12) ical integration of the fundamental law of dynamics(cid:2) We show that when a concentration of high stresses occurs in a small region of the surface(cid:13) the local de(cid:12) formation becomes unrealistic compared to real de(cid:12) formations of textiles(cid:2) With such an elastic model(cid:13) the only solution to decrease these deformations has been so far to increase the sti(cid:15)ness of the deformed springs(cid:13) but we show that it dramatically increases the cost of the algorithm(cid:2) We present therefore a new method to adapt our model to the particularly sti(cid:15) properties of textiles(cid:13) inspired from dynamic in(cid:12) verse procedures(cid:2)