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Numerical Heat Transfer, Part A: Applications
An International Journal of Computation and Methodology
Volume 30, 1996 - Issue 6
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Original Articles

APPLICATION OF BROYDEN'S METHOD TO THE ENTHALPY METHOD FOR PHASE CHANGE PROBLEMS

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Pages 575-587 | Received 19 Sep 1995, Accepted 25 Apr 1996, Published online: 15 Mar 2007
 

Abstract

The enthalpy method is one of the most widely used methods for solving phase change problems with a moving boundary. In the application of the enthalpy method, systems of nonlinear equations have to be solved at each time step when implicit time discretization is being used. In this article, we propose to use Broyden 's algorithm as an efficient method for solving these systems of nonlinear equations based on a direct discretization of the enthalpy equation. Numerical experiments are conducted to verify the efficiency of our scheme for a one-dimensional, two-phase solidification problem.

Notes

Address correspondence to Dr. James Caldwell, Department of Mathematics, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong.

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