Dynamic plastic response of thin circular plates struck transversely by nonblunt masses
作者： Wei Qin Shen
DOI: 10.1016/0020-7683(94)00228-O
关键词: Vibration 、 Plasticity 、 Yield surface 、 Strain rate 、 Engineering 、 Head (vessel) 、 Conical surface 、 Mechanics 、 Bending moment 、 Structural engineering 、 Numerical analysis
摘要: Abstract A theoretical analysis is presented which examines the dynamic plastic response of thin circular plates struck transversely by a mass with conical head and spherical nose at centre plates. The employs an interaction yield surface combines bending moment membrane force required for flow. Material strain rate sensitive effects are considered aid Cowper-Symonds equation Perrone Bhadra's approximation. Good agreement between predictions experimental results has been obtained on maximum permanent deflections forces striker various impact energies.
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