Publisher DOI: 10.1016/j.compfluid.2012.01.020
Title: Hybrid MPI/OpenMP parallelization of an Euler-Lagrange approach to cavitation modelling
Language: English
Authors: Yakubov, Sergey 
Cankurt, Bahaddin 
Abdel-Maksoud, Moustafa  
Rung, Thomas  
Keywords: Cavitation;Computational fluid dynamics;Euler-lagrange;Hybrid MPI/OpenMP;Parallelization
Issue Date: 31-Jan-2012
Publisher: Elsevier
Source: Computers and Fluids 1 (80): 365-371 (2013)
Journal: Computers & fluids 
Abstract (english): 
An Euler-Lagrange approach is developed for numerical simulations of cavitating flows. Within this approach the Navier-Stokes equations are solved for the Eulerian liquid/vapor-mixture. Supplementary equations for the bubble size and motion are solved for each of the bubbles/nuclei, composing a discrete vapor phase. Such an approach is computationally demanding when computational grids with several Mio cells and many ten thousand bubbles are considered. The paper reports the development and verification of an efficient hybrid MPI/OpenMP algorithm for coupled Euler-Lagrange simulations. The proposed algorithm facilitates cavitation predictions for challenging industrial applications, such as cavitating marine propellers, in a reasonable amount of wall-clock time. © 2012 Elsevier Ltd.
URI: http://hdl.handle.net/11420/7550
ISSN: 0045-7930
Institute: Fluiddynamik und Schiffstheorie M-8 
Document Type: Article
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