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Dynamic problems of the mechanics of the brittle fracture of materials with initial stresses for moving cracks. 1. Problem statement and general relationships

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Abstract

This paper studies the brittle fracture of materials with initial stresses when the stresses act only along the cracks. Dynamic problems for moving cracks are considered when the plane crack infinite in one direction moves with constant velocity. General formulas are presented for compressible and incompressible elastic bodies with an arbitrary structure of elastic potentials. The stresses and displacements are presented as analytical functions of complex variables. Some general relationships may be used in order to obtain exact information on the singularity order of the crack tip for dynamical problems under consideration in the general formulation.

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Authors and Affiliations

  1. S. P. Timoshenko Institute of Mechanics, National Academy of Sciences of Ukraine, Kiev, Ukraine

    A. N. Guz’

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  1. A. N. Guz’
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Translated from Prikladnaya Mechanika, Vol. 34, No. 12, pp. 3–15, December, 1998.

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Guz’, A.N. Dynamic problems of the mechanics of the brittle fracture of materials with initial stresses for moving cracks. 1. Problem statement and general relationships. Int Appl Mech 34, 1175–1186 (1998). https://doi.org/10.1007/BF02700871

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