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01-Applied Mathematics & Information Sciences
An International Journal
               
 
 
 
 
 
 
 
 
 
 
 

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Volumes > Volume 5 > No. 5-2S

 
   

Fast Simulation of Pyroshock Responses of a Conical Structure Using Rotation-Superposition Method

PP: 187S-193S
Author(s)
Yongjian Mao, Yulong Li, Hanjun Huang, Junping Wang,
Abstract
In space engineering, the prediction of structural responses induced by pyrotechnic devices is important for protecting the space hardware, especially the electronic components. This paper presents a fast simulation of pyroshock responses of a conical space structure. Firstly, a finite element analysis was performed and the responses to a load element were obtained. Then, by introducing the quick method, Rotation-Superposition Method, the structural responses induced by various numbers of explosive bolts were predicted and the effects of non-simultaneous initiations were also analyzed. This study provides a high-efficiency approach for multi-case pyroshock responses prediction

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