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发表于 2007-7-12 10:31:57
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来自 黑龙江哈尔滨
回复 #7 dragonsea 的帖子
你最终感兴趣的量是什么?我所看到的文献里面高速撞击的接触力一般都是通过假设的模型得到(比如动态空穴膨胀理论,dynamic cavity expansion theory ,参看文献[1]第195页公式(1),动态空穴膨胀理论可以参看文献[2~3] ),或者是通过数值模拟。不过接触力在高速撞击领域里面往往不是最感兴趣的。
[1] QM Li, HJ Weng, XW Chen. A modified model for the penetration into moderately thick plates by a rigid, sharp-nosed projectile.International Journal of Impact Engineering, 2004,30:193-204.
[2] VK Luk, MJ Forrestal, DE Amos. Dynamic Spherical Cavity Expansion of Strain-Hardening Materials. Journal of Applied Mechanics(Transactions of the ASME), 1991. vol. 58:1-6
[3] MJ Forrestal, VK Luk.Dynamic Spherical Cavity-Expansion in a Compressible Elastic--Plastic Solid. J. Appl. Mech.(Trans. ASME), 1988. vol. 55:275-279. |
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