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Life Prediction of Solid Rocket Motor Based on Viscoelastic Finite Element Method
Author(s): 
Pages: 56-60
Year: Issue:  1
Journal: Guangxi Sciences

Abstract: 为了解决固体导弹发动机提前退役带来浪费和过期服役可能导致发射失败的问题,利用定期解剖常温自然贮存的发动机来测试推进剂的力学性参数,结合三维粘弹性有限元分析方法,对贮存一定时期的导弹发动机在常温和低温下点火发射进行数值仿真,由最大Von Mises应变及推进剂应变强度随贮存时间的变化规律来评估发动机的安全性,确定不同地区贮存的导弹发动机的贮存寿命.
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