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@PHDTHESIS{Mieen:709678,
author = {Mießen, Christian},
othercontributors = {Gottstein, Günter and Melcher, Christof and Bleck,
Wolfgang},
title = {{A} massive parallel simulation approach to 2{D} and 3{D}
grain growth},
school = {Rheinisch-Westfälische Technische Hochschule Aachen},
type = {Dissertation},
address = {Aachen},
reportid = {RWTH-2017-10148},
pages = {1 Online-Ressource (v, 142 Seiten) : Illustrationen},
year = {2017},
note = {Veröffentlicht auf dem Publikationsserver der RWTH Aachen
University 2018; Dissertation, Rheinisch-Westfälische
Technische Hochschule Aachen, 2017},
abstract = {A highly efficient simulation model for 2D and 3D grain
growth and recrystallization was developed based on the
level-set method. The new model introduces modern
computational concepts to achieve excellent performance on
parallel computer architectures. Strong scalability was
found on ccNUMA architectures underlining maximum parallel
efficiency of the implementation. For this purpose, the
model considers the application of local level-set functions
at the grain level. The model was utilized to simulate ideal
and non-ideal grain growth in 2D and 3D with the objective
to study the evolution of statistical representative volume
elements in polycrystals. The novelty of the proposed
level-set approach to grain growth resides in the explicit
consideration of structural interfacial elements of the
microstructure. The extensions allow to consider anisotropic
grain boundary energies and triple junction drag in
polycrystalline materials. In addition, microstructure
evolution under the influence of secondary driving forces,
i.e such as resulting from stored elastic energies or such
as occur in anisotropic magnetic materials affected by an
external magnetic field, was modeled and simulated
considering very large volume elements composed of half a
million of grains in 3D. The gain in computational
performance is essential to conduct simulation to
investigate rare events in microstructure evolution, such as
nucleation sites during recrystallization.},
cin = {520000 / 523110},
ddc = {620},
cid = {$I:(DE-82)520000_20140620$ / $I:(DE-82)523110_20140620$},
typ = {PUB:(DE-HGF)11},
doi = {10.18154/RWTH-2017-10148},
url = {https://publications.rwth-aachen.de/record/709678},
}