SPH Simulation of Hypervelocity Impacts |
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| Authors: | LI Jin-zhu ZHANG Qing-ming LONG Ren-rong |
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| Affiliation: | State Key Laboratory for the Prevention and Control of Explosion Disasters, Beijing Institute of Technology, Beijing 100081, China;State Key Laboratory for the Prevention and Control of Explosion Disasters, Beijing Institute of Technology, Beijing 100081, China;State Key Laboratory for the Prevention and Control of Explosion Disasters, Beijing Institute of Technology, Beijing 100081, China |
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| Abstract: | The smooth particle hydrodynamics (SPH) method is a very important tool to resolve hypervelocity problems. The basic principle of SPH method and how to generate a proper SPH mesh is described. The results of SPH simulations of hypervelocity impacts on thin or thick aluminum plates, performed by using the LS-DYNA 3D computer code, are also reported. The forming process and composition of the debris clouds simulated are identical with the experiment results. It can be concluded that the simulation is reasonable and SPH method is an ideal method for hypervelocity impact simulation. |
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| Keywords: | SPH method debris clouds spallation hypervelocity impact |
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