Abstract
The present paper if concerned with two transient thermal stress problems in a transversely isotropic infinite solid containing a crack with heat exchange on the crack surface. One is the problem of a penny-shaped crack, and the other is the problem of an external circular crack. It is very difficult to obtain the analytical solution for the temperature field, so only the finite difference method with respect to the time variable is introduced. Thermal stresses are analyzed by means of the transversely isotropic potential functions method. Numerical calculations were carried out for a graphite which belongs under transverse isotropy. The effects of transverse isotropy on the stress intensity factor are shown in the figures.
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