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Analysis of tapered laminated composites with non-symmetric lay-up

DSpace at IIT Bombay

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Title Analysis of tapered laminated composites with non-symmetric lay-up
 
Creator VARUGHESE, B
MUKHERJEE, A
 
Subject delamination
element
plates
drop-off
global-local
interlaminar
delaminate
 
Description A global-local approach for the analysis of tapered laminated composites is presented. The method is considerably more economical than existing techniques. A new drop-off element that is degenerated from a 2-D drop-off element is introduced to carry out the global analysis. The drop-off element accommodates the termination of plies within the element and therefore, the size of the stiffness matrix reduces. At the vicinity of the drop-off, where the stress concentration is high, a local analysis with a refined mesh is performed with the results of the global analysis. Since a fine mesh is to be adopted only near the drop-off, there is substantial economy in the computational effort and time as compared to the conventional analysis models. The present method has been validated extensively against published results. The discussions on the stress/strain distributions at different locations have been presented.
 
Publisher TECHNOMIC PUBL CO INC
 
Date 2011-08-31T08:54:45Z
2011-12-26T12:59:28Z
2011-12-27T05:51:39Z
2011-08-31T08:54:45Z
2011-12-26T12:59:28Z
2011-12-27T05:51:39Z
1997
 
Type Article
 
Identifier JOURNAL OF REINFORCED PLASTICS AND COMPOSITES, 16(7), 631-660
0731-6844
http://dspace.library.iitb.ac.in/xmlui/handle/10054/12658
http://hdl.handle.net/10054/12658
 
Language en