Reference : XFEM with global enrichment for 3D cracks
Scientific congresses, symposiums and conference proceedings : Unpublished conference
Physical, chemical, mathematical & earth Sciences : Mathematics
Computational Sciences
XFEM with global enrichment for 3D cracks
Agathos, Kostas []
Chatzi, Eleni []
Bordas, Stéphane mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Talaslidis, Demosthenes []
Besançon Numerical Analysis Week
2015 June 13-17
Université de Besançon
[en] 3D crack growth ; XFEM ; conditioning, accuracy
[en] We present an extended finite element method (XFEM) based on fixed area enrichment which 1) suppresses the difficulties associated with ill-conditioning, even for "large" enrichment radii; 2) requires 50 times fewer enriched degrees of freedom (for a typical mesh) as the standard XFEM with geometrical enrichment (for the same or better accuracy level); 3) increases the accuracy level of the stress intensity factors and leads to "smooth" stress intensity variations along the crack front.
Researchers ; Professionals ; Students ; Others
FP7 ; 279578 - REALTCUT - Towards real time multiscale simulation of cutting in non-linear materials with applications to surgical simulation and computer guided surgery

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