Abstract
An analytical treatment is presented for the determination of the response of a vertically-loaded disc embedded in a semi-infinite elastic medium. By means of Love's method of potential and a set of relaxed boundary conditions, the mixed boundary value problem is formulated as dual integral equations with the aid of Hankel transforms. On the reduction of the dual integral equations to a Fredholm integral equation which features a closed-form kernel, solutions to the inclusion problem are computed. In addition to including existing solutions for zero and infinite embedment as degenerate cases, the present analysis reveals a severe boundary-layer phenomenon which is apt to be of significance to this class of problems in general. As illustrations, numerical results on the load-displacement relation, the response of the embedding medium, as well as the contact load distribution are included.
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