An all-resolution cumulant-based lattice Boltzmann approach for simulating high Reynolds number engineering shear flows

Publikationstyp
Doctoral Thesis
Date Issued
2024
Sprache
English
Author(s)
Gehrke, Martin 
Advisor
Rung, Thomas  orcid-logo
Referee
Brenner, Gunther  
Title Granting Institution
Technische Universität Hamburg
Place of Title Granting Institution
Hamburg
Examination Date
2023-11-20
Institute
Fluiddynamik und Schiffstheorie M-8  
TORE-DOI
10.15480/882.9154
TORE-URI
https://hdl.handle.net/11420/45501
Citation
Technische Universität Hamburg (2024)
The thesis addresses the development of a lattice Boltzmann fluid solver for the accurate and efficient simulation of turbulent flows at high Reynolds numbers. The central goal is a combined treatment of turbulence and collision models. Building on a comprehensive study of frequently used collision operators, which are fundamental for modeling the flow physics, the advancement of a particular model based on a cumulant approach and its validation is performed. To comply with the flexible resolution requirements associated with simulating technical flows, an optional wall model is supplemented to the final formulation.
Subjects
Computational fluid dynamics
Lattice Boltzmann method
Turbulence modeling
Wall-modeled large eddy simulation
Turbulent shear flows
DDC Class
530: Physics
Lizenz
https://creativecommons.org/licenses/by/4.0/
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