On the Stress Intensity Factor of cracks emanating from circular and elliptical holes in orthotropic plates

Stress Intensity Factors (SIFs) for cracks emanating from circular holes in two-dimensional orthotropic bodies were numerically computed taking into account the effect of geometry and orthotropy. A semi-analytical expression for the correction factor was found fitting the numerical data. Finally, it...

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Vydané v:	Engineering fracture mechanics Ročník 252; s. 107805
Hlavní autori:	Catalanotti, Giuseppe, Salgado, Rui M., Camanho, Pedro P.
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	New York Elsevier Ltd 01.07.2021 Elsevier BV
Predmet:	Cracks Emission Finite element analysis (FEA) Open hole specimen Orthotropic plates Orthotropic rescaling technique Stress Intensity Factor (SIF) Stress intensity factors Two dimensional bodies Orthotropic rescaling technique Open hole specimen Stress Intensity Factor (SIF) Finite element analysis (FEA)
ISSN:	0013-7944, 1873-7315
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Shrnutí:	Stress Intensity Factors (SIFs) for cracks emanating from circular holes in two-dimensional orthotropic bodies were numerically computed taking into account the effect of geometry and orthotropy. A semi-analytical expression for the correction factor was found fitting the numerical data. Finally, it was demonstrated how the same expression can be used to calculate the SIF for cracks emanating from elliptical holes once appropriate changes of variables are made. •SIFs were computed for cracks emanating from circular holes in orthotropic plates.•A semi-analytical expression for the correction factor was proposed.•A change of variables yields the SIFs for cracks emanating from elliptical holes.
Bibliografia:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 14
ISSN:	0013-7944 1873-7315
DOI:	10.1016/j.engfracmech.2021.107805