CAJ | 학술논문

在利用有限元和边界元模拟消声器消声效果时，常用的商业模拟软件SYSNOISE和ANSYS是在单机上运行的（不能直接在并行机上运行），由于数值模拟量大，在微机上有时十几天甚至二十几天也算不出一个精确解。利用32台商用微机建造高性能并行机，用它作消声器消声效果的数值模拟（仿真）；同时把有限元和边界元模拟软件改造成为能够在MPI（ message passing interface ）并行环境下运行的程序，以便节省数值模拟成本。通过相关数据模拟实验数据可靠，该高性能并行机的计算速度是单台微机的25～30倍，说明高性能并行机消声数值模拟结果是可行的。
재이용유한원화변계원모의소성기소성효과시，상용적상업모의연건SYSNOISE화ANSYS시재단궤상운행적（불능직접재병행궤상운행），유우수치모의량대，재미궤상유시십궤천심지이십궤천야산불출일개정학해。이용32태상용미궤건조고성능병행궤，용타작소성기소성효과적수치모의（방진）；동시파유한원화변계원모의연건개조성위능구재MPI（ message passing interface ）병행배경하운행적정서，이편절성수치모의성본。통과상관수거모의실험수거가고，해고성능병행궤적계산속도시단태미궤적25～30배，설명고성능병행궤소성수치모의결과시가행적。
When the finite element and boundary element are used to simulate the effect of muffler , commercial simulation soft-ware SYSNOISE and ANSYS commonly used run on a single computer ( namely not directly run on the parallel machines ) , some-times an accurate solution can ’ t be obtained for days or even 20 days because of a large amount of numerical simulation.A paral-lel machine with high-performance , which is built from 32 commercial computer , is used for the numerical simulation of the muffler effect.At the same time, the finite element and boundary element simulation software are transformed into programs which can run in the MPI ( message passing in interface ) parallel environment in order to reduce the cost; numerical simulation.The data is reliable through data simulation experiment , the computing speed of the parallel computer with high -performance is 25~30 times of the single computer , which shows that numerical simulation results of the parallel machine with high performance on noise-elimination is feasible.