一种新的有效模拟不可压缩流体的SPH方法

提出了一种基于光滑粒子流体动力学（SPH）来模拟不可压缩流体的有效方法。传统的SPH方法是针对可压缩流体设计的,而该方法是传统SPH方法的一个扩展。提出了一种新的可以满足不可压缩性的压强计算方法,讨论了压力和粘性力的新型计算方法。实验结果表明,提出的方法与以前的方法相比,能够更真实地模拟不可压缩流体。...

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Bibliographic Details
Published in计算机应用研究 Vol. 32; no. 3; pp. 946 - 949
Main Author 张中兴 李冬梅 李涛 赵雪专
Format Journal Article
LanguageChinese
Published 河南广播电视大学信息工程系,郑州,450008%河南广播电视大学信息工程系,郑州450008 2015
电子科技大学计算机科学与工程学院,成都611731%中国科学院成都计算机应用研究所图像事业部,成都,610041
Subjects
不可压缩性
光滑粒子流体动力学
基于物理的模拟
流体模拟
光滑粒子流体动力学
基于物理的模拟
流体模拟
不可压缩性
near-incompressibility
SPH
fluid simulation
physically based simulation
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ISSN1001-3695
DOI10.3969/j.issn.1001-3695.2015.03.071

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Summary:提出了一种基于光滑粒子流体动力学（SPH）来模拟不可压缩流体的有效方法。传统的SPH方法是针对可压缩流体设计的,而该方法是传统SPH方法的一个扩展。提出了一种新的可以满足不可压缩性的压强计算方法,讨论了压力和粘性力的新型计算方法。实验结果表明,提出的方法与以前的方法相比,能够更真实地模拟不可压缩流体。
Bibliography:51-1196/TP
ZHANG Zhong-xing, LI Dong-mei, LI Tao, ZHAO Xue-zhuan （ 1. Dept. of Information Engineering, Henan Radio ＆ Television University, Zhengzhou 450008, China ; 2. School of Computer Science ＆ Engineering, University of Electronic Science ＆ Technology of China, Chengdu 611731, China; 3. Chengdu Institute of Computer Application, Chinese Academy of Sciences, Chengdu 610041, China）
physically based simulation ; fluid simulation; SPH ; near-incompressibility
This paper presented an efficient approach based on smoothed particle hydrodynamics （SPH） to simulate incom- pressible fluids. The proposed method was an extension of the traditional SPH method designed for compressible fluids. It first introduced a new scheme for pressure evaluation to satisfy the incompressibility constraints. Then it discussed novel calculation methods for pressure force and viscosity force. Finally, the results demonstrate that this method is more capable of realistically simulating fluids with near-incompressibility than previous met
ISSN:1001-3695
DOI:10.3969/j.issn.1001-3695.2015.03.071