An unbounded, isotropic thermoelastic solid contains a closed, semi-infinite planar
crack. Point forces are applied to the crack faces and translated toward the crack
edge at a constant, subcritical speed. Fracture occurs and extension of the crack is
accompanied by thermal convection. A dynamic steady state ensues in which the
crack edge profile is no longer rectilinear, fixed and translates at the same speed as
the point forces. An analytical solution, based on robust asymptotic expressions in
integral transform space, is developed. Examination of the solution provides
information on the role of convection in the determination of crack edge contour and
temperature change. In particular calculations indicate that the influence of
convection can decrease both with decreasing convection and increasing crack
speed.
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