FINITE-ELEMENT DEVELOPMENTS FOR TWO-DIMENSIONAL, MULTIPLE-INTERFACE PHASE-CHANGE PROBLEMS

Finite-element developments for multiple-phase-change problems in two-dimensional models are presented for the first time. The enthalpy method is used to simulate talent heat release in conjunction with fixed-grid techniques. An unconditionally stable implicit method is used for the time integration...

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Bibliographic Details
Published in:Numerical heat transfer. Part B, Fundamentals Fundamentals, 1994-10, Vol.26 (3), p.257-271
Main Authors: Ouyang, Tianhong, Tamma, Kumar K.
Format: Article
Language:English
Subjects:
Boundary value problems
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Heat conduction
Heat flow in porous media
Heat losses
Heat transfer
Heat transfer in inhomogeneous media, in porous media, and through interfaces
Integration
Interfaces (materials)
Mathematical models
Physics
Solidification
Thermodynamic properties
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Summary:Finite-element developments for multiple-phase-change problems in two-dimensional models are presented for the first time. The enthalpy method is used to simulate talent heat release in conjunction with fixed-grid techniques. An unconditionally stable implicit method is used for the time integration. The effects of boundary conditions and the different phase regions on the multiple-phase-front developments are examined for numerous examples. Discussions and conclusions are appropriately addressed.
ISSN:1040-7790
1521-0626
DOI:10.1080/10407799408914929