Experimental investigations and numerical simulations are performed in order to numerically predict the buckling behaviour of thin composite laminated specimens. Experiments are aimed at two objectives: the first is to completely characterize the carbon/epoxy material under simple loading configurations, the second is to test this material in buckling and post-buckling situations. The data collected with the first campaign of experiments are used to obtain the strength parameters required to define a damage model based on the failure theory by Tsai-Wu. This model is implemented in a Finite Element (FE) code and numerical simulations of buckling are executed for unidirectional and cross-ply laminates; results are in good agreement with experiments both in terms of determination of the critical loads and prediction of failure during post-buckling.

TUMINO, D., CAPPELLO, F., CATALANOTTI, G. (2007). A continuum damage model to simulate failure in composite plates under uniaxial compression. EXPRESS POLYMER LETTERS, 1, 15-23.

A continuum damage model to simulate failure in composite plates under uniaxial compression

TUMINO, Davide;CAPPELLO, Francesco;
2007-01-01

Abstract

Experimental investigations and numerical simulations are performed in order to numerically predict the buckling behaviour of thin composite laminated specimens. Experiments are aimed at two objectives: the first is to completely characterize the carbon/epoxy material under simple loading configurations, the second is to test this material in buckling and post-buckling situations. The data collected with the first campaign of experiments are used to obtain the strength parameters required to define a damage model based on the failure theory by Tsai-Wu. This model is implemented in a Finite Element (FE) code and numerical simulations of buckling are executed for unidirectional and cross-ply laminates; results are in good agreement with experiments both in terms of determination of the critical loads and prediction of failure during post-buckling.
2007
Settore ING-IND/15 - Disegno E Metodi Dell'Ingegneria Industriale
TUMINO, D., CAPPELLO, F., CATALANOTTI, G. (2007). A continuum damage model to simulate failure in composite plates under uniaxial compression. EXPRESS POLYMER LETTERS, 1, 15-23.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10447/23921
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