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Title:A multidomain boundary element method for two equation turbulence models
Authors:Ramšak, Matjaž (Author)
Škerget, Leopold (Author)
Files:URL http://dx.doi.org/10.1016/j.enganabound.2005.07.007
 
Language:English
Work type:Unknown ()
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:The paper deals with the multidomain Boundary Element Method (BEM) for modelling 2D complex turbulent flow using low Reynolds two equation turbulence models. While the BEM is widely accepted for laminar flow this is the first case, where this method is applied for complex flow problems using ▫$k-epsilon$▫ turbulence model. The integral boundary domain equations are discretised using mixed boundary elements and a multidomain method also known as subdomain technique. The resulting system matrix is overdetermined, sparse, block banded and solved using fast iterative linear least squares solver. The simulation of turbulent flow over a backward step is in excellent agreement with the finite volume method using the same turbulent model.
Keywords:fluid mechanics, turbulent flow, boundary element method, incompressible viscous fluid, stream function-vorticity formulation, two equation turbulence model, backward facing step flow
Year of publishing:2005
UDC:532.517.4:519.61/.64
ISSN on article:0955-7997
COBISS_ID:10107670 Link is opened in a new window
NUK URN:URN:SI:UM:DK:6TMPCZBW
Views:1154
Downloads:58
Metadata:XML RDF-CHPDL DC-XML DC-RDF
Categories:Misc.
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Record is a part of a journal

Title:Engineering analysis with boundary elements
Shortened title:Eng. anal. bound. elem.
Publisher:Elsevier
ISSN:0955-7997
COBISS.SI-ID:5605380 New window

Secondary language

Language:English
Keywords:mehanika fluidov, turbulentni tok, metoda robnih elementov, nestisljiv viskozni fluid


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