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A unilateral thermoelastic Stefan-type problem. (English) Zbl 0654.73009
A simplified model for a steady solidification process with continuous extraction and unilateral contact (such as in the continuous casting of an ingot) is considered. The resulting problem is a thermal two phase Stefan problem coupled with a unilateral thermoelastic Signorini problem. An existence theorem is then proved for the weak formulation of this problem.
Reviewer: D.R.Westbrook

74F05 Thermal effects in solid mechanics
35R35 Free boundary problems for PDEs
35D05 Existence of generalized solutions of PDE (MSC2000)
74S30 Other numerical methods in solid mechanics (MSC2010)
35K85 Unilateral problems for linear parabolic equations and variational inequalities with linear parabolic operators
74A15 Thermodynamics in solid mechanics
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