Large-scale high performance computation on 3D explosion and shock problems

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Large-scale high performance computation on 3D explosion and shock problems水利论文 `n s5dwOm

J t?(ic%d [-O Y0Abstract:Explosion and shock often involve large deformation, interface treatment between multi-material, and strong discontinuity. The Eulerian method has advantages for solving these problems. In parallel computation of the Eulerian method, the physical quantities of the computalonal cells do not change before the disturbance reaches to these cells. Computational efficiency is low when using fixed partition because of load imbalance. To solve this problem, a dynamic parallel method in which the computation domain expands with disturbance is used. The dynamic parallel program is designed based on the generally used message passing interface model. The numerical test of dynamic parallel program agrees well with that of the original parallel program, also agrees with the actual situation.

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Author:

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Guang-lei FEI[1] Tian-bao MA[1] Li HAO[2]水利论文6CF'L*R.y6U

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State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, P. R. ChinaSchool of Science, Beijing University of Civil Engineering and Architecture, Beijing 100044, P. R. China

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期 刊:

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+USQPP @i1n0应用数学和力学(英文版)

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APPLIED MATHEMATICS AND MECHANICS水利论文P?Z#^ Z ^'X+AU-Z

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2011, 32(3)水利论文7Y)~j|"L|8K j

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2vq9KKME)h3H7A0Keywords:

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explosion and shock

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dynamic parallel水利论文-BSb Ubf ^

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message passing interface

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}(l%q)YO;V:y_0air explosion

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problems shock Eulerian method message passing interface Computational efficiency dynamic parallel computation physical quantities large deformation parallel method numerical test cells treatment partition domain based

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the National Basic Research Program of China,the State Key Laboratory of Explosion Science and Technology水利论文,z/~0N6J(oC[

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