A discrete-operator interpolation solution of the phase-field model

Ying Xu, Tianliang Yang, J. M. McDonough, Kaveh A. Tagavi

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

6 Scopus citations

Abstract

Discrete-operator interpolation (DOI) is a numerical technique for computing the function values not computed on the original grid points of a finite-difference (or finite element) scheme. It relys on both the governing equation of the function values and the function values computed on the original grid obtained by using any typical numerical method. This paper applies discrete-operator interpolation for solving the one-dimensional phase-field model applied to melt-front tracking. Our use of DOI for solving the phase-field model serves two purposes. First, we demonstrate that DOI provides a way to construct a numerical solution that is more accurate than the solutions obtained by using a basic numerical method. Second, DOI provides a way to produce solution values at coordinate locations not included in the original set of grid points; this is valuable in many complex numerical simulations. In this paper, we describe the phase- field model together with the details of the discrete-operator interpolation method and their numerical implementations. The results of the phase-field model are obtained using a standard finite-difference (Crank-Nicolson) scheme. DOI results are then compared with these to demonstrate the advantages of this new method.

Original languageEnglish
Title of host publication8th AIAA/ASME Joint Thermophysics and Heat Transfer Conference
DOIs
StatePublished - 2002
Event8th AIAA/ASME Joint Thermophysics and Heat Transfer Conference 2002 - St. Louis, MO, United States
Duration: Jun 24 2002Jun 26 2002

Publication series

Name8th AIAA/ASME Joint Thermophysics and Heat Transfer Conference

Conference

Conference8th AIAA/ASME Joint Thermophysics and Heat Transfer Conference 2002
Country/TerritoryUnited States
CitySt. Louis, MO
Period6/24/026/26/02

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Nuclear and High Energy Physics

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