等效裂隙岩体THM耦合并行有限元程序开发  

Development of THM Coupling Parallel Computing Program in Equivalent Rock Masses

作　　者：张强林[1] 王媛[2] 曹国利[1] 

机构地区：[1]黄河勘测规划设计有限公司,郑州450003 [2]河海大学岩土所,南京210098

出　　处：《长江科学院院报》2009年第10期58-61,共4页Journal of Changjiang River Scientific Research Institute

摘　　要：为了解决计算精度与计算时间之间的矛盾,针对三场耦合问题,根据区域分解策略,采用预处理共轭梯度法进行方程组的并行求解,利用mpi+f77编制主从式并行有限元计算程序,并在河海大学高性能计算机群上进行调试及计算,通过算例计算,显示并行计算可大幅节省计算时间,未来必会得到更广泛的应用。In order to solve the contradiction between the computing precision and computing time, according to the THM（themo-hydro-mechanical） coupling mechanism and the domain decomposed method, the paper selects preconditioning conjugate gradient to solve paralleled solution of system equation, in which using mpi ＋ 177 establishes a master Islave model and the calculation of the governing equations is performed on the Hobai University high function computer, and this question is verified by one example . The conclusion showed that this method can obviously save the computing time and will be applied extensively in the future .

关 键 词：并行有限元 THM耦合 区域分解 预条件共扼梯度法 

分 类 号：TV223[水利工程—水工结构工程]