移動熱源で加熱される無限円柱の熱応力

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  • Thermal Stresses in an Infinite Circular Cylinder Heated through Moving Heat Sources
  • イドウ ネツゲン デ カネツ サレル ムゲン エンチュウ ノ ネツ オウリョク

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This paper deals with the thermal stress analysis of an infinite circular elastic cylinder heated on the surface axisymmetrically through heat sources, which move at a constant velocity in the axial direction. The underlying heat conduction problem as well as the thermoelastic problem is attacked by the aid of complex Fourier transforms, assuming that the cylinder is homogeneous and isotropic with respect to both thermal and elastic response and the temperature distribution on the surface is prescribed. The general solutions for both temperature and stress distributions are obtained in the forms of infinite integrals. Numerical examples, which are carried out for two special distributions of temperature, show a marked influence of the velocity of the heat sources on the distribution of the thermal stresses.

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