Articoli correlati a Composite Homogenization, De-Homogenization, and Matrix...

Composite Homogenization, De-Homogenization, and Matrix Failure: An Inter-Scale Approach - Brossura

Yan, Karen Chang

 
9783836495936: Composite Homogenization, De-Homogenization, and Matrix Failure: An Inter-Scale Approach

Sinossi

This work presents a unified modelling approach for homogenization and de-homogenization, applicable to unidirectional(UD) composite systems. Emphasis is placed on the uniqueness between the forward (homogenization) and the backward (de- homogenization) modelling processes; so the desired micro fields are truly recovered within the confines of mechanics. An inter-scale failure theory that describes matrix cracking in laminates is then formulated, being based on the recovered micro- fields. Laminate matrix cracking in several well- documented experimental studies are simulated using the inter-scale theory. The simulation captures the major cracking characteristics that are otherwise excluded in failure theories derived at the homogenized composite scale. The general concept of homogenization/de- homogenization is applicable to all composite systems, where responses from micro-macro-global interactions are to be physically described. The approach taken in the formulation of the inter- scale theory serves as an example of both conceptual and practical importance.

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L'autore

Karen Chang Yan,Ph.D. is Assistant Professor of the Department of Mechanical Engineering,The College of New Jersey. She received her Ph.D. degree in Mechanical Engineering from Drexel University. Her research interests are in the areas of composite materials and biomaterials.

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