Numerical and Analytical Studies of Stefan Problems.

Abstract

Compact finite element scheme is used to solve Stefan Problem, with one dimensional and two dimensional numerically, using an Enthalpy formation. The numerical results indicate that the position of the melting front can be determined with first order accuracy by this method, the number of iterations at each time step being determined largely by the number of cells traversed by the front during a time step. The codes both 1-D and 2-D Stefan problems are written in Cray Fortran and vectorization on the Cray Y-MP was used. The enthalpy formulation of the 1-D and 2-D Stefan problems are approximated by compact schemes. The numerical results are compared to known exponential solutions, and the solutions and errors are plotted using mathematica. Four papers have been published or completed for publication. Three faculty members, Bolindra N. Borah (P.I.), Robert E. White (Co-P.I.), and Milton E. Rose (Co-P.I.) did work in this project. Besides three professors, there were three graduated students who also helped to complete the project.

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Document Details

Document Type
Technical Report
Publication Date
Jun 30, 1991
Accession Number
ADA239163

Entities

People

  • Archimedes J. Kyrillidis
  • Bolindra N. Borah
  • Milton E. Rose
  • Robert E. White

Organizations

  • North Carolina Agricultural and Technical State University

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Abstracts
  • Accuracy
  • Air Force
  • Boundary Value Problems
  • Computational Fluid Dynamics
  • Computational Science
  • Computer Science
  • Difference Equations
  • Differential Equations
  • Equations
  • Errors
  • Fluid Dynamics
  • Fluid Flow
  • Geometry
  • Mathematics
  • Three Dimensional
  • Two Dimensional

Fields of Study

  • Mathematics

Readers

  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Research Science/Academic Research