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Numerical Method of Simulating Underwater Explosion on Unstructured Moving Grids
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Bing WANG, Hou-Qian XU, Jun-Jie TAN
Chinese Journal of High Pressure Physics | 2008, 22(3) : 291 - 297
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收藏切换
Chinese Journal of High Pressure Physics | 2008, 22(3): 291-297
Numerical Method of Simulating Underwater Explosion on Unstructured Moving Grids
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Bing WANG, Hou-Qian XU, Jun-Jie TAN
Affiliations
  • Power Engineering Colleges, Nanjing University of Science & Technology, Nanjing 210094, China
Published: 2008-09-05
Outline
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The computation of underwater explosion model with a gas-water interface is discussed where the interface is considered as a special internal boundary. This boundary is represented as doubled-defined points and each point corresponds to one material. The HLLC (Harten, Lax, van Leer, Contact) scheme is implemented in solving ALE (Arbitrary Largrangian-Eulerian Method) formulation on unstructured moving grids to track the material interface. This method is used to compute 1D spherical symmetric underwater explosion model and the solution agrees with the experiment data well. As an expansion, 2D cylindrical underwater explosion model is also computed and a satisfying result is obtained.

underwater explosion  /  material interface tracking  /  unstructured moving grids  /  HLLC (Harten, Lax, van Leer, Contact) scheme  /  ALE (Arbitrary Largrangian-Eulerian Method) formulation
王兵, 许厚谦, 谭俊杰. 运动网格上的水下爆炸数值模拟方法. 高压物理学报, 2008 , 22 (3) : 291 -297 .
Bing WANG, Hou-Qian XU, Jun-Jie TAN. Numerical Method of Simulating Underwater Explosion on Unstructured Moving Grids[J]. Chinese Journal of High Pressure Physics, 2008 , 22 (3) : 291 -297 .
Year 2008 volume 22 Issue 3
19
3
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Article Info
  • Receive Date:2007-07-09
  • Online Date:2026-10-30
  • Published:2008-09-05
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  • Received:2007-07-09
  • Revised:2008-01-15
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Affiliations
    Power Engineering Colleges, Nanjing University of Science & Technology, Nanjing 210094, China
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表12种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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