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A modified effective capacitance method for solidification modelling using linear tetrahedral finite elements. (English) Zbl 0879.76045

The main feature of the new method is that a modified form of effective heat capacitance is calculated from the solution of nonlinear equations that describe the energy loss for linear tetrahedral finite elements. This approach ensures that the predicted temperature field corresponds exactly with the energy loss so providing an extremely stable formulation. The method is tested against a range of problems including some with nonlinear liquid fractions.

MSC:

76M10 Finite element methods applied to problems in fluid mechanics
76T99 Multiphase and multicomponent flows
80A22 Stefan problems, phase changes, etc.
80A20 Heat and mass transfer, heat flow (MSC2010)
Full Text: DOI

References:

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