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    ARTICLE

    A Three Dimensional Numerical Investigation of the T* integral along a Curved Crack Front

    J. H. Jackson1, A. S. Kobayashi2, S. N. Atluri3

    CMES-Computer Modeling in Engineering & Sciences, Vol.6, No.1, pp. 17-30, 2004, DOI:10.3970/cmes.2004.006.017

    Abstract The Tε*  integral was calculated numerically along an extending, tunneling crack front in an 8 mm thick, aluminum three-point bend (3PB) specimen, using a numerical model driven by experimentally obtained surface displacements. The model provided input to a contour integration for the Tε*  integral, via the Equivalent Domain Integral (EDI) method with incremental plasticity. Validity of the analysis was ensured by the agreement of the Tε*  integral obtained on the surface (plane stress) and the plane stress values from previous studies. Tε*   was observed to decrease from the outer surface of the specimen to More >

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