Contribution to a conference proceedings

FZJ-2016-00213

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Massively Parallel Multiphase Field Simulations

Tegeler, M. ; Monas, A. ; Sutmann, G.FZJ*

2015
Civil-Comp Press Stirlingshire, UK

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Please use a persistent id in citations: doi:10.4203/ccp.107.5

Abstract: The phase field method is an established technique for investigation of microstructure evolution during materials processing. Large scale three-dimensional simulations including multiple phase fields and multiple components have high requirements for memory and computational power. In this paper we present a distributed-memory parallelization of the phase field library OpenPhase. We consider load imbalances that arise during phase field calculations and propose techniques to balance the computational load efficiently among the processors. We show benchmarks using thousands of processes and use the parallelized OpenPhase for a three-dimensional simulation, that was previously only viable in two dimensions.

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Contributing Institute(s):

1. Jülich Supercomputing Center (JSC)

Research Program(s):

1. 511 - Computational Science and Mathematical Methods (POF3-511) (POF3-511)

Appears in the scientific report 2015

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