Hybrid transfinite element modelling/analysis of non-linear heat conduction problems involving phase change

Kumar K. Tamma, Sudhir B. Railkar

Research output: Contribution to journalReview articlepeer-review

5 Scopus citations

Abstract

The present paper describes the applicability of hybrid transfinite element modelling/analysis formulations for non-linear heat conduction problems involving phase change. The methodology is based on application of transform approaches and classical Galerkin schemes with finite element formulations to maintain the modelling versatility and numerical features for computational analysis. In addition, in conjunction with the above, the effects due to latent heat are modelled using enthalpy formulations to enable a physically realistic approximation to be effectively dealt computationally for materials exhibiting phase change within a narrow band of temperatures. Pertinent details of the approach and computational scheme adapted are described in technical detail. Numerical test cases of comparative nature are presented to demonstrate the applicability of the proposed formulations for numerical modelling/analysis of non-linear heat conduction problems involving phase change.

Original languageEnglish (US)
Pages (from-to)117-122
Number of pages6
JournalEngineering Computations
Volume5
Issue number2
DOIs
StatePublished - Feb 1 1988

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