A modified semi-weight function method for stress intensity factor calculation of a vertical crack terminating at the interface

•A modified semi-weight function method is proposed for calculating interface-crack SIFs.•The new unified auxiliary function is independent of the crack geometry and external load.•The interface-crack SIFs depends mainly on the ratio of E2/E1 rather than the single E1 or E2.•The ratio of K2/K1 is de...

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Veröffentlicht in:	Theoretical and applied fracture mechanics 2021-12, Vol.116, p.103107, Article 103107
Hauptverfasser:	Huang, Dian-yi, Rao, Qiu-hua, Ma, Yan, Yi, Wei, Shen, Qing-qing
Format:	Artikel
Sprache:	eng
Schlagworte:	Bimaterial parameters Compressed air Crack tips Energy storage Interfacial cracks Modified semi-weight function method Multilayers Numerical methods Stress intensity factor Stress intensity factors Submatrix method Vertical crack terminating at interface Weighting functions
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