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Evaluation of the Elastic T-stress in Three-dimensional Crack Problems Using an Integral Formula

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Abstract

An integral formulation for computation of T-stresses along a three-dimensional crack front is presented. The mutual M-integral expressed through J-integrals (on analysed and auxiliary fields) provides sufficient information for determining T-stresses on the base of found relation between the M-integral and T-stresses. The auxiliary fields are selected to eliminate the singular terms in the asymptotic expansion of the stresses near the crack tip. Variation of the T-stress along the crack front of an edge-cracked plate is presented.

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Sladek, J., Sladek, V. Evaluation of the Elastic T-stress in Three-dimensional Crack Problems Using an Integral Formula. International Journal of Fracture 101, 47–52 (2000). https://doi.org/10.1023/A:1007648321019

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