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PSEUDOTRANSIENT LARGE DEFLECTION ANALYSIS OF COMPOSITE AND SANDWICH SHELLS WITH A REFINED THEORY

DSpace at IIT Bombay

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Title PSEUDOTRANSIENT LARGE DEFLECTION ANALYSIS OF COMPOSITE AND SANDWICH SHELLS WITH A REFINED THEORY
 
Creator KOMMINENI, JR
KANT, T
 
Subject nonlinear-analysis
 
Description An unified approach is presented for linear and geometrically non-linear analyses of composite and sandwich shells with a refined theory and C-0 finite elements by using the dynamic relaxation technique. A finite element idealization with a nine noded quadrilateral isoparametric element belonging to the Lagrangian family is used in space discretization. An explicit time stepping scheme is employed for time integration of the resulting discrete ordinary differential equations with special forms of diagonal fictitious mass and/or damping matrices. The accuracy of the formulation is then established by comparing the present pseudo-transient (PT) analysis results with the available 2D/3D analytical and finite element solutions. The usefulness and effectiveness of this approach is established by comparing computational time required by this and Newton-Raphson's (NR) approaches.
 
Publisher ELSEVIER SCIENCE SA LAUSANNE
 
Date 2011-07-29T12:18:04Z
2011-12-26T12:48:41Z
2011-12-27T05:49:58Z
2011-07-29T12:18:04Z
2011-12-26T12:48:41Z
2011-12-27T05:49:58Z
1995
 
Type Article
 
Identifier COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING, 123(1-4), 1-13
0045-7825
http://dx.doi.org/10.1016/0045-7825(94)00771-E
http://dspace.library.iitb.ac.in/xmlui/handle/10054/7705
http://hdl.handle.net/10054/7705
 
Language en