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中文摘要：
在量纲一分析的基础上,导出了超高速碰撞模拟中的相似律表达式,并利用光滑粒子流体动力学方法进行了数值模拟验证,结果表明,符合超高速碰撞相似律的模型在碰撞过程模拟中具有较好的相似性。
英文摘要：
The comparability rule on hydrodynamics impact was described and validated with the dimension analysis method.The modified SPH method was used to simulate the thin target penetration to evaluate the comparability rule.It is demonstrated that the comparability rule on hypervelocity impact is accurate and feasible and it is significant for the experiments.
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