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Three-dimensional phase-field study of crack-seal microstructures - insights from innovative post-processing techniques

Ankit, K.; Selzer, M.; Nestler, B.


Numerical simulations of vein evolution contribute to a better understanding of processes involved in their formation and possess the potential to provide invaluable insights into the rock deformation history and fluid flow pathways. The primary aim of the present article is to investigate the influence of a “realistic” boundary condition, i.e. an algorithmically generated “fractal” surface, on the vein evolution in 3-D using a thermodynamically consistent approach, while explaining the benefits of accounting for an extra dimensionality. The 3-D simulation results are supplemented by innovative numerical post-processing and advanced visualization techniques. The new methodologies to measure the tracking efficiency demonstrate the importance of accounting the temporal evolution; no such information is usually accessible in field studies and notoriously difficult to obtain from laboratory experiments as well. The grain growth statistics obtained by numerically post-processing the 3-D computational microstructures explain the pinning mechanism which leads to arrest of grain boundaries/multi-junctions by crack peaks, thereby, enhancing the tracking behavior.

Verlagsausgabe §
DOI: 10.5445/IR/120102302
Veröffentlicht am 09.03.2018
DOI: 10.5194/gmdd-7-631-2014
Zitationen: 1
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Angewandte Materialien – Computational Materials Science (IAM-CMS)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2014
Sprache Englisch
Identifikator ISSN: 1991-9611, 1991-962X
KITopen-ID: 120102302
HGF-Programm 35.01.01 (POF II, LK 01) Effiziente Nutzung geotherm. Energie
Erschienen in Geoscientific model development discussions
Verlag Copernicus Publications
Band 7
Seiten 631-658
Nachgewiesen in Dimensions
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