Computation of stress intensity factors in a plane homogeneous anisotropic solid | Zendy

Steigemann Martin | Zendy; Fulland Markus | Zendy; SpecoviusNeugebauer Maria | Zendy; Richard Hans A. | Zendy

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Computation of stress intensity factors in a plane homogeneous anisotropic solid

Author(s) -

Steigemann Martin,

Fulland Markus,

SpecoviusNeugebauer Maria,

Richard Hans A.

Publication year - 2007

Publication title -

pamm

Language(s) - English

Resource type - Journals

ISSN - 1617-7061

DOI - 10.1002/pamm.200700812

Subject(s) - stress intensity factor , computation , finite element method , anisotropy , elasticity (physics) , mathematical analysis , tension (geology) , mathematics , homogeneous , fissure , materials science , structural engineering , physics , algorithm , engineering , composite material , optics , combinatorics , ultimate tensile strength

The accurate computation of stress intensity factors (SIFs) plays a decisive role in the determination of crack paths. The calculation of SIFs with the help of singular weight functions leads to pure Neumann problem for anisotropic elasticity in a plane domain with a crack. We present a method to overcome the specific numerical difficulties which arises while calculating these solutions with Finite Element methods. the accuracy and advantage of this method are shown by a numerical example, the calculation of SIFs of a compact tension specimen. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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