Abstract
The direct boundary integral equation (DBIE) method in the multi-domain formulation is used for three-dimensional stress concentration problems solution. The computational results of several new stress concentration problems are presented and analyzed. The following problems have been studied: flat plates with oblique, conical and round-edges holes under in-plane tensile loading for different angles of holes inclination. The stress concentration problem for an aviation engine turbine disk with cooling hole has also been considered.
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