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Meccanica

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01-03-2013

An enhanced beam-theory model of the mixed-mode bending (MMB) test—Part II: Applications and results

Authors: Stefano Bennati, Paolo Fisicaro, Paolo S. Valvo

Published in: Meccanica | Issue 2/2013

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Abstract

The paper presents an enhanced beam-theory (EBT) model of the mixed-mode bending (MMB) test, whereby the specimen is considered as an assemblage of two sublaminates partly connected by an elastic–brittle interface. Analytical expressions for the compliance, energy release rate, and mode mixity are deduced. A compliance calibration strategy enabling numerical or experimental evaluation of the interface elastic constants is also presented. Furthermore, analytical expressions for the crack length correction parameters—analogous to those given by the corrected beam-theory (CBT) model for unidirectional laminated specimens—are furnished for multidirectional laminated specimens, as well. Lastly, an example application to experimental data reduction is presented.

previous article Erratum to: An enhanced beam-theory model of the mixed-mode bending (MMB) test—Part I: Literature review and mechanical model

next article Erratum to: An enhanced beam-theory model of the mixed-mode bending (MMB) test—Part II: Applications and results

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Title: An enhanced beam-theory model of the mixed-mode bending (MMB) test—Part II: Applications and results
Authors: Stefano Bennati
Paolo Fisicaro
Paolo S. Valvo
Publication date: 01-03-2013
Publisher: Springer Netherlands
Published in: Meccanica / Issue 2/2013
Print ISSN: 0025-6455
Electronic ISSN: 1572-9648
DOI: https://doi.org/10.1007/s11012-012-9682-7

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