节点文献
在节理网络图上全自动生成有限元网格
AN AUTOMATIC FEM MESH GENERATION ON JOINT NETWORK
【摘要】 提出一种在节理网络图上全自动生成有限元网格的方法,并用程序将其实现。该方法首先将具有节理网络的计算域,依据一定算法转化成单连通域,然后在单连通域内按AFM法生成三角形单元,在节理上生成节理单元。所有的三角形单元和节理单元构成整个区域的有限元网格。
【Abstract】 A method to automatically generate a FEM mesh on a joint network is proposed and implemented through programming. The whole domain including joint network is first transferred, according to a method, into simplyconnected domains. Then triangle elements are generated by the advancing front method. Joint elements are created on joints. All the triangle elements and joint elements form a mesh for the whole domain. Examples indicate that the proposed method and program are practical.
【关键词】 节理网络图;
有限元网格;
节理;
单连通域;
AFM;
【Key words】 joint network; FEM mesh; joint; simplyconnected domain; AFM (advancing front method);
【Key words】 joint network; FEM mesh; joint; simplyconnected domain; AFM (advancing front method);
- 【文献出处】 岩石力学与工程学报 ,CHINESE JOURNAL OF ROCK MECHANICS AND ENGINEERING , 编辑部邮箱 ,1999年02期
- 【分类号】TU451
- 【被引频次】22
- 【下载频次】227