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基于平衡颗粒法生成地质体复杂节理面网格的方法研究
Alternative TitleStudy of grid generation on complex joints based on particles balance
段文杰; 李世海; 冯春
Source Publication颗粒材料计算力学研究进展
2012-10-16
Pages340-347
Conference Name2012颗粒材料计算力学会议
Conference Date2012-09-17
Conference Place中国湖南张家界
Abstract宏观地质体中错综复杂的节理拓扑关系给节理面网格的划分带来了困难,进而制约了对含复杂节理地质体的力学效应研究。文章提出了一种利用颗粒生成节理面网格节点的方法——平衡颗粒法。该方法首先将复杂节理系统按照节理交线进行分割,而后通过节理面内颗粒的随机排布产生密实、微嵌入的颗粒系统,进而采用全量法计算颗粒间的接触力,同时引入指向节理面中心的牵引势函数,在粘性阻尼的控制下,通过显式迭代,逐渐实现接触力产生的斥力与势函数产生的引力之间的平衡。算例表明,基于平衡颗粒法产生的节理网格节点排布均匀,在节理交线处未出现奇异节点,表明了该方法的正确性。
Keyword节理 网格划分 颗粒
DepartmentLMFS工程地质体力学(LEM)
Funding Organization中国力学学会计算力学专业委员会
ISBN978-7-5611-7240-7
URL查看原文
Language中文
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46764
Collection流固耦合系统力学重点实验室
Corresponding Author段文杰
Recommended Citation
GB/T 7714
段文杰,李世海,冯春. 基于平衡颗粒法生成地质体复杂节理面网格的方法研究[C],2012:340-347.
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