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Titel:

A variational multiscale method with multifractal subgrid-scale modeling for large-eddy simulation of turbulent flow

Dokumenttyp:
Konferenzbeitrag
Art des Konferenzbeitrags:
Textbeitrag / Aufsatz
Autor(en):
Gravemeier, V.; Rasthofer
Abstract:
A variational multiscale method with multifractal subgrid-scale modeling is proposed for large-eddy simulation of turbulent flow. In the multifractal subgrid-scale modeling approach, the subgrid-scale velocity is evaluated from a multifractal description of the subgridscale vorticity, which is based on the multifractal scale similarity of gradient fields in turbulent flow. The multifractal subgrid-scale modeling approach is integrated into a variational multiscale formulation, demonstrating a ne...     »
Stichworte:
large-eddy simulation, multifractal subgrid-scale modeling, variational multiscale method, wall-bounded turbulent flow, turbulent variable-density flow
Dewey-Dezimalklassifikation:
620 Ingenieurwissenschaften
Herausgeber:
Eberhardsteiner, J. et al.
Kongress- / Buchtitel:
6th European Congress on Computational Methods in Applied Science and Engineering
Kongress / Zusatzinformationen:
ECCOMAS 2012
Jahr:
2012
Reviewed:
ja
Sprache:
en
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