一様磁場内におかれたき裂を有する電導体の特異応力 : 間接境界積分法の電磁弾性応力解析への適用

抄録

In this paper, the indirect boundary integral method is applied to the singular elastic stress analysis of an electric conductor with a crack in the uniform magnetic field. The simple-layer potentials and the double-layer potentials are used as the solution. The volumetric integrals, involving an electromagnetic body force, are transformed to surface integrals under uniform magnetic field and steady-state current field. As a concrete example, the ring-shaped crack in an infinite body is treated, and the stress intensity factor and the displacement on the crack surface are obtained.