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Parallel computation of impact problems based on block data structure

XIAO Yonghao,HUANG Qingnan(Computer Application Institute,China Academy of Engineering Physics,Mianyang 621900,Sichuan,China)  
As to 3D impact problem,OpenMP parallel computation is implemented in shared memory parallel computer based on block data structure.Block data structure is not only effective use of computer multi-storage structure,but also improves the OpenMP parallel granularity.The numerical experiment indicates that the serial program with block data structure is three times faster than original version.The speedup and efficiency of parallel program are discussed by a numerical simulation on impact of cylinder into a plate and the result shows that the parallel program can decrease the total computation time effectively.
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