Journal
MODELLING AND SIMULATION IN MATERIALS SCIENCE AND ENGINEERING
Volume 25, Issue 8, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1361-651X/aa8676
Keywords
parallelization; level-set; large-scale simulation; grain growth; magnetically driven grain boundary motion
Funding
- Deutsche Forschungsgemeinschaft (DFG) within the 'Reinhart Koselleck-Project' [GO 335/44-1]
- FZJulich
- RWTH Aachen University [0076]
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A highly efficient simulation model for 2D and 3D grain growth was developed based on the level-set method. The model introduces modern computational concepts to achieve excellent performance on parallel computer architectures. Strong scalability was measured on cache-coherent non-uniform memory access (ccNUMA) architectures. To achieve this, the proposed approach considers the application of local level-set functions at the grain level. Ideal and non-ideal grain growth was simulated in 3D with the objective to study the evolution of statistical representative volume elements in polycrystals. In addition, microstructure evolution in an anisotropic magnetic material affected by an external magnetic field was simulated.
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