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Finite element transient dynamic analysis of laminated composite Pretwisted rotating plates subjected to impact

 

作者: Amit Karmakar,   P K Sinha,  

 

期刊: International Journal of Crashworthiness  (Taylor Available online 1998)
卷期: Volume 3, issue 4  

页码: 379-392

 

ISSN:1358-8265

 

年代: 1998

 

DOI:10.1533/cras.1998.0085

 

出版商: Woodhead Publishing Ltd

 

数据来源: Taylor

 

摘要:

In this paper a transient dynamic finite element analysis is presented to study the response of centrally impacted laminated composite pretwisted rotating plates. A nine noded three-dimensional degenerated composite shell element is developed and used for the present analysis. Effects of transverse shear deformation and rotary inertia are included. The finite element model is based on Lagrange's equation of motion and the investigation is carried out for moderate rotational speeds for which the Coriolis effect is negligible. The modified Hertzian contact law is utilized to compute the contact force between the impactor and the laminated plate. Parametric studies are performed to investigate the effects of angle of twist, rotational speed, laminate configuration and precone angle on the impact response of pretwisted rotating plate.

 

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