Adaptive large eddy simulation

A. Hauser; G. Wittum

doi:10.1007/s00791-016-0265-3

Adaptive large eddy simulation

A. Hauser^*, G. Wittum

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Several a posteriori indicators in the framework of local grid adaptation and large eddy simulation (LES) are evaluated. In LES indicators must be capable to bound not only the discretisation error, but also the modeling error. Moreover, the numerical method must be able to adapt the computational grid dynamically, as the regions requiring different resolution are not static. The performance of different indicators is evaluated in two flow configurations. It turns out that the classic residual based error indicator and the newly introduced heuristic indicator perform best.

Original language	English (US)
Pages (from-to)	295-304
Number of pages	10
Journal	Computing and Visualization in Science
Volume	17
Issue number	6
DOIs	https://doi.org/10.1007/s00791-016-0265-3
State	Published - Dec 1 2015
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2016, Springer-Verlag Berlin Heidelberg.

Keywords

A posteriori indicator
Large eddy simulation
Transient grid adaption

ASJC Scopus subject areas

Theoretical Computer Science
Software
Modeling and Simulation
General Engineering
Computer Vision and Pattern Recognition
Computational Theory and Mathematics

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10.1007/s00791-016-0265-3

Cite this

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AB - Several a posteriori indicators in the framework of local grid adaptation and large eddy simulation (LES) are evaluated. In LES indicators must be capable to bound not only the discretisation error, but also the modeling error. Moreover, the numerical method must be able to adapt the computational grid dynamically, as the regions requiring different resolution are not static. The performance of different indicators is evaluated in two flow configurations. It turns out that the classic residual based error indicator and the newly introduced heuristic indicator perform best.

KW - A posteriori indicator

KW - Large eddy simulation

KW - Transient grid adaption

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ER -

Adaptive large eddy simulation

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

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