Summary
This paper deals with interaction problems of elliptical and ellipsoidal inclusions under bending, using singular integral equations of the body force method. The problems are formulated as a system of singular integral equations with Cauchy-type or logarithmic-type singularities, where unknown functions are densities of body forces distributed in the x,y and r,θ,z directions in infinite bodies having the same elastic constants as those of the matrix and inclusions. In order to satisfy the boundary conditions along the elliptical and the ellipsoidal boundaries, the unknown functions are approximated by a linear combination of fundamental density functions and polynomials. The present method is found to yield the exact solutions for a single elliptical or spherical inclusion under a bending stress field. It yields rapidly converging numerical results for interface stresses in the interaction of inclusions.
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Received 9 September 1999; accepted for publication 15 January 2000
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Noda, NA., Hayashida, H. Interaction between elliptical and ellipsoidal inclusions under bending stress fields. Archive of Applied Mechanics 70, 612–624 (2000). https://doi.org/10.1007/s004190000093
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DOI: https://doi.org/10.1007/s004190000093