Article (Scientific journals)
Fracture of piezoelectric materials with the X-FEM
Béchet, Eric; Scherzer, Matthias; Kuna, Meinhard
2008In European Journal of Computational Mechanics, 17/5-7, p. 637-649
Peer reviewed
 

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Keywords :
matériaux piezoélectriques; fissure; éléments finis; X-FEM; piezoelectric materials; crack; finite elements
Abstract :
[en] We present an application of X-FEM to the fracture analysis of piezoelectric materials. These materials are increasingly used in actuators and sensors. Under in service loading, phenomena of crack initiation and propagation may occur due to high electromechanical field concentrations. In the past few years, the extended finite element method (X-FEM) has been applied mostly to model cracks in structural materials. The present paper focuses on the definition of new enrichment functions suitable for cracks in piezolectric structures. The approach is based on specific asymptotic crack tip solutions, derived for piezoelectric materials.
Disciplines :
Computer science
Mechanical engineering
Author, co-author :
Béchet, Eric ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Conception géométrique assistée par ordinateur
Scherzer, Matthias;  Institut f¨ur Mechanik und Fluiddynamik, TU Bergakademie Freiberg, Lampadiusstrasse 4, 09596 Freiberg, Germany
Kuna, Meinhard;  Institut f¨ur Mechanik und Fluiddynamik, TU Bergakademie Freiberg, Lampadiusstrasse 4, 09596 Freiberg, Germany
Language :
English
Title :
Fracture of piezoelectric materials with the X-FEM
Publication date :
2008
Journal title :
European Journal of Computational Mechanics
ISSN :
1779-7179
eISSN :
1958-5829
Publisher :
River Publishers, Abingdon, United Kingdom
Volume :
17/5-7
Pages :
637-649
Peer reviewed :
Peer reviewed
Available on ORBi :
since 21 January 2010

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