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Computational Mechanics
Erschienen in: Computational Mechanics 5/2014

01.05.2014 | Original Paper

XFEM with equivalent eigenstrain for matrix–inclusion interfaces

verfasst von: Elena Benvenuti

Erschienen in: Computational Mechanics | Ausgabe 5/2014

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Abstract

Several engineering applications rely on particulate composite materials, and numerical modelling of the matrix–inclusion interface is therefore a crucial part of the design process. The focus of this work is on an original use of the equivalent eigenstrain concept in the development of a simplified eXtended Finite Element Method. Key points are: the replacement of the matrix-inclusion interface by a coating layer with small but finite thickness, and its simulation as an inclusion with an equivalent eigenstrain. For vanishing thickness, the model is consistent with a spring-like interface model. The problem of a spherical inclusion within a cylinder is solved. The results show that the proposed approach is effective and accurate.
Vorheriger Artikel A pure bending exact nodal-averaged shear strain method for finite element plate analysis
Nächster Artikel A homogenization-based quasi-discrete method for the fracture of heterogeneous materials

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Metadaten
Titel
XFEM with equivalent eigenstrain for matrix–inclusion interfaces
verfasst von
Elena Benvenuti
Publikationsdatum
01.05.2014
Verlag
Springer Berlin Heidelberg
Erschienen in
Computational Mechanics / Ausgabe 5/2014
Print ISSN: 0178-7675
Elektronische ISSN: 1432-0924
DOI
https://doi.org/10.1007/s00466-013-0938-4

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