空间多点地震动模拟的并行计算方法及软件

Parallel Simulation for Spatially Varying Ground Motion

在已有的空间相关多点地震动人工模拟方法的基础上,针对整个模拟过程提出对计算量大的部分进行并行计算,并采用Fortran90与MPI语言开发了多点地震动的并行模拟程序,能够有效提高多点地震动模拟的规模与效率;同时,通过对商业性前后处理有限元软件的二次开发,将多点地震动并行模拟程序作为模块嵌入原软件,使用户能够通过可视化界面方便快捷地应用人造地震动,使人造地震动与结构地震响应分析成为一个完整的流程。

On the basis of known knowledge on simulation of spatially varying ground motion, it is focused on efforts to research a parallel method to enlarge the number of spatial points. A code written entirely in FORTRAN 90 and MPI for use on scalable computers is presented, and the precision and velocity ground motion simulation could be improved greatly. The parallel simulation code was embedded into the commercial FEA code by second development, and users could generate ground motion by developed interfaces. The ground motion simulation and seismic analysis for structures could be incorporated a whole process.