Phase field model for three-dimensional dendritic growth with fluid flow

Jun Ho Jeong, Nigel Goldenfeld, Jonathan A. Dantzig

Research output: Contribution to journalArticle

Abstract

We study the effect of fluid flow on three-dimensional (3D) dendrite growth using a phase-field model on an adaptive finite-element grid. In order to simulate 3D fluid flow, we use an averaging method for the flow problem coupled to the phase-field method and the semi-implicit approximated projection method (SIAPM). We describe a parallel implementation for the algorithm, using the CHARM++ FEM framework, and demonstrate its efficiency. We introduce an improved method for extracting dendrite tip position and tip radius, facilitating accurate comparison to theory. We benchmark our results for 2D dendrite growth with solvability theory and previous results, finding them to be in good agreement. The physics of dendritic growth with fluid flow in three dimensions is very different from that in two dimensions, and we discuss the origin of this behavior.

Original languageEnglish (US)
Number of pages1
JournalPhysical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Volume64
Issue number4
DOIs
StatePublished - Jan 1 2001

Fingerprint

Dendritic Growth
Phase Field Model
Dendrite
dendrites
fluid flow
Fluid Flow
Three-dimensional
Adaptive Finite Elements
Coupled Problems
Semi-implicit
Phase Field
Averaging Method
Implicit Method
Parallel Implementation
Projection Method
Solvability
Three-dimension
Two Dimensions
projection
grids

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Mathematical Physics
  • Condensed Matter Physics
  • Physics and Astronomy(all)

Cite this

Phase field model for three-dimensional dendritic growth with fluid flow. / Jeong, Jun Ho; Goldenfeld, Nigel; Dantzig, Jonathan A.

In: Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, Vol. 64, No. 4, 01.01.2001.

Research output: Contribution to journalArticle

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