Numerical Calculations Of The Heat-transfer Coefficient DuringSolidification Of Alloys

In the paper, three-phase inverse Stefan problems are formulated and described by means of the optimization method. These problems consist in the reconstruction of the function which describes the coefficient of heattransfer, when the positions of the moving solidus and liquidus interfaces are well-known. In numerical calculations the Nelder-Mead optimization method and the generalized alternating phase truncation method were used.