弹—塑性圆环串接系统受强动载荷作用的失效分析

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2002, Vol. 23 ›› Issue (5): 421-426.

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FAILURE ANALYSIS OF AN ELASTIC-PLASTIC RING SERIES SYSTEM SUBJECTED TO INTENSE DYNAMIC LOADING

YANG Jia-ling, CAI Xu-jie

Solid Mechanics Research Centre, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

Received:2002-06-07 Revised:2002-07-29 Online:2002-10-25 Published:2002-10-25

Abstract

Abstract: Based on the load deformation relationship of an elastic plastic ring subjected to step loading, the elastic plastic ring series system become an equivalent has elastic plastic mass springs system.The response of the mass spring system under intense dynamic loading was studied. Emphasis is focused on the propagation of the plastic failure of the rings. The result from the present theoretical model is compared with numerical solutions by using FEA and experimental data made by Reid and Reddy.The agreement is good.

Key words: dynamic response, failure analysis, finite element analysis

YANG Jia-ling;CAI Xu-jie. FAILURE ANALYSIS OF AN ELASTIC-PLASTIC RING SERIES SYSTEM SUBJECTED TO INTENSE DYNAMIC LOADING[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2002, 23(5): 421-426.

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FAILURE ANALYSIS OF AN ELASTIC-PLASTIC RING SERIES SYSTEM SUBJECTED TO INTENSE DYNAMIC LOADING

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