A comparison of numerical models for one-dimensional Stefan problems

Report (2005)

Authors

E. Javierre

C. Vuik

F.J. Vermolen

S. van der Zwaag

Faculty

Electrical Engineering, Mathematics and Computer Science () (TU Delft)

Stefan problem Phase transformations Level set method Similarity solutions Moving grid method Phase field method

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Published Date

2005

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Reports of the Department of Applied Mathematical Analysis, 05-03

Faculty

Electrical Engineering, Mathematics and Computer Science

Abstract

In this paper we present a critical comparison of the suitability of several numerical methods, level set, moving grid and phase eld model, to address two well known Stefan problems in phase transformation studies: melting of a pure phase and diusional solid state phase transformations in a binary system. Similarity solutions are applied to verify the numerical results. The comparison shows that the type of phase transformation considered determines the convenience of the numerical techniques. Finally, it is shown both numerically and analytically that the solid-solid phase transformation is a limiting case of the solid-liquid transformation.

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