Paper number 572
|DESIGNING WITH ANISOTROPY. PART 2 : LAMINATES WITHOUT MEMBRANE-FLEXURE COUPLING|
P. Vannucci, X. J. Gong, G. Verchery
ISAT - Institut Supérieur de l'Automobile et des Transports,
LRMA - Laboratoire de Recherche en Mécanique et Acoustique,
49, Rue Mademoiselle Bourgeois - BP 31, 58027 Nevers Cedex, France.
|Summary||We deal in this paper with a very classical problem in designing laminates: the suppression of coupling between stretching and bending. We formulate a general method to find a large number of solutions, which generalises some of the methods known up to day. The governing equations are found with the help of the polar representation method for plane tensors. A surprising result of the analysis performed is the existence of a very large number of solutions, and the fact that the well known symmetric solutions are in reality a very particular case.
||Keywords|| laminates, uncoupling, polar representation, plane tensors, composites design, inverse problems.
Theme : Design Methods and Optimisation
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