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Chinese Journal of High Pressure Physics  > 2008  >  22(3): 291-297 .
WANG Bing, XU Hou-Qian, TAN Jun-Jie. Numerical Method of Simulating Underwater Explosion on Unstructured Moving Grids[J]. Chinese Journal of High Pressure Physics, 2008, 22(3): 291-297 . doi: 10.11858/gywlxb.2008.03.012
Citation: WANG Bing, XU Hou-Qian, TAN Jun-Jie. Numerical Method of Simulating Underwater Explosion on Unstructured Moving Grids[J]. Chinese Journal of High Pressure Physics, 2008, 22(3): 291-297 . doi: 10.11858/gywlxb.2008.03.012
shu

Numerical Method of Simulating Underwater Explosion on Unstructured Moving Grids

doi: 10.11858/gywlxb.2008.03.012

  • Power Engineering Colleges, Nanjing University of Science & Technology, Nanjing 210094, China

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  • Corresponding author: WANG Bing
  • Received Date: 09 Jul 2007
  • Rev Recd Date: 15 Jan 2008
  • Publish Date: 05 Sep 2008
    Abstract
  • 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.

     

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