This paper presents the study of a stringer of inhomogeneities in an isotropic half space under prescribed load. It shows that the presence of stiff inhomogeneities causes the increase in the stresses in the regions where they are formed. Stress concentration generally occurs within the inhomogeneities, particularly near their edges or corners, and increases as the location of the inhomogeneities approaches the material surface and as the friction force increases.

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