Three-dimensional problems in crack theory for quasibrittle bodies

Andreikiv, O. É.

doi:10.1007/bf00722691

Mater Sci

1977

DOI: 10.1007/bf00722691

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Three-dimensional problems in crack theory for quasibrittle bodies

O. É. Andreikiv¹

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1987

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“…The engineering SIF-calculation methods are based usually on the interpolation of known solutions of two-and three-dimensional problems (see, e.g. [3][4][5][6]). Such interpolation, when done for cracks in the arbitrary stress field, as well as introduction of empirical corrections taking into account the nonuniform stress field (as in [7]), may lead to appreciable error.…”

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Application of the weight function method for determining stress intensity factors of semi-elliptical cracks

Vainshtok¹,

Varfolomeyev²

1987

Int J Fract

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The weight function method is applied to solving three-dimensional linear elastic fracture mechanics (LEFM) problems. Within the framework of the present approach the fundamental equations of LEFM are satisfied and the minimum of additional assumptions are used.The crack opening displacement field and stress intensity factors for a semi-elliptical surface crack in the nonuniform stress fields are obtained. Comparison of the calculated results with the numerical data from the literature confirms the efficiency of the proposed method for the solution of three-dimensional crack problems.

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Application of the weight function method for determining stress intensity factors of semi-elliptical cracks

Vainshtok¹,

Varfolomeyev²

1987

Int J Fract

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Calculational models for mode II and mode III small fatigue crack growth in structural elements

2022

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Three-dimensional problems in crack theory for quasibrittle bodies

Cited by 2 publications

References 1 publication

Application of the weight function method for determining stress intensity factors of semi-elliptical cracks

Application of the weight function method for determining stress intensity factors of semi-elliptical cracks

Calculational models for mode II and mode III small fatigue crack growth in structural elements

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