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Three-dimensional solutions for general anisotropy

By J. R. Barber A and T. C. T. Ting B


The Stroh formalism is extended to provide a new class of three-dimensional solutions for the generally anisotropic elastic material that have polynomial dependence on x3, but which have quite general form in x1; x2. The solutions are obtained by a sequence of partial integrations with respect to x3, starting from Stroh’s two-dimensional solution. At each stage, certain special functions have to be introduced in order to satisfy the equilibrium equation. The method provides a general analytical technique for the solution of the problem of the prismatic bar with tractions or displacements prescribed on its lateral surfaces. It also provides a particularly efficient solution for threedimensional boundary-value problems for the half-space. The method is illustrated by the example of a half-space loaded by a linearly varying line force

Topics: Anisotropic elasticity, Stroh formalism, Three-dimensional problems, Hierarchical methods
Year: 2007
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