Lay-up optimization of composite plates to delay mode-jump instabilities
Data(s) |
28/09/2012
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Resumo |
Experimental and numerical studies have shown that the occurrence of abrupt secondary instabilities, or mode-jumps, in a postbuckling stiffened composite panel may initiate structural failure. This study presents an optimisation methodology, using a genetic algorithm and finite element analysis for the lay-up optimisation of postbuckling composite plates to delay the onset of mode-jump instabilities. A simple and novel approach for detecting modejumps is proposed, based on the RMS value of out-of-plane pseudo-velocities at a number of locations distributed over the postbuckling structure |
Identificador | |
Idioma(s) |
eng |
Direitos |
info:eu-repo/semantics/restrictedAccess |
Fonte |
Falzon , B G , Faggiani , A & Brunner , D 2012 , ' Lay-up optimization of composite plates to delay mode-jump instabilities ' Paper presented at 28th International Congress of the Aeronautical Sciences , Brisbane , Australia , 23/09/2012 - 28/09/2012 , . |
Tipo |
conferenceObject |