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Statements

Subject Item
n2:RIV%2F00216208%3A11320%2F12%3A10132855%21RIV13-MSM-11320___
rdf:type
skos:Concept n18:Vysledek
dcterms:description
In this contribution we describe simulations of laminar and turbulent incompressible flow by the created model which is tested for several significant influences, such as stability coefficients (CFL), different computational areas, staggered grids etc. To solve the equation system on limited area the finite control volume method is employed. The initial value problems and boundary conditions on control volumes are described and discussed in some numerical examples, e.g. liddriven cavity flow and three-dimensional Taylor-Green vortex (TGV) for the low and high Reynolds numbers. The used model consists ofthe Navier -Stokes equations for the laminar flow and the continuity equation in the form for incompressible fluid flow. The conservative high order methods are used for solving the system of the equations describing the conservation laws. The advection terms are reconstructed using the 5th order weighted essentially non oscillatory (WENO) scheme and the time evolution is solved by the application of the 3rd order explicit TVD Runge-Kutta scheme. The implicit large eddy simulation (ILES) was employed as a turbulent model which is implicitly added to the system by WENO scheme. In this contribution we describe simulations of laminar and turbulent incompressible flow by the created model which is tested for several significant influences, such as stability coefficients (CFL), different computational areas, staggered grids etc. To solve the equation system on limited area the finite control volume method is employed. The initial value problems and boundary conditions on control volumes are described and discussed in some numerical examples, e.g. liddriven cavity flow and three-dimensional Taylor-Green vortex (TGV) for the low and high Reynolds numbers. The used model consists ofthe Navier -Stokes equations for the laminar flow and the continuity equation in the form for incompressible fluid flow. The conservative high order methods are used for solving the system of the equations describing the conservation laws. The advection terms are reconstructed using the 5th order weighted essentially non oscillatory (WENO) scheme and the time evolution is solved by the application of the 3rd order explicit TVD Runge-Kutta scheme. The implicit large eddy simulation (ILES) was employed as a turbulent model which is implicitly added to the system by WENO scheme.
dcterms:title
Testing Auxiliary Pointers to Stabilize the Numerical Simulations Testing Auxiliary Pointers to Stabilize the Numerical Simulations
skos:prefLabel
Testing Auxiliary Pointers to Stabilize the Numerical Simulations Testing Auxiliary Pointers to Stabilize the Numerical Simulations
skos:notation
RIV/00216208:11320/12:10132855!RIV13-MSM-11320___
n18:predkladatel
n19:orjk%3A11320
n3:aktivita
n4:Z
n3:aktivity
Z(MSM0021620860)
n3:dodaniDat
n6:2013
n3:domaciTvurceVysledku
n15:9479864 n15:1469649
n3:druhVysledku
n14:D
n3:duvernostUdaju
n22:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
174013
n3:idVysledku
RIV/00216208:11320/12:10132855
n3:jazykVysledku
n13:eng
n3:klicovaSlova
Simulations; Numerical; Stabilize; Pointers; Auxiliary; Testing
n3:klicoveSlovo
n9:Auxiliary n9:Numerical n9:Stabilize n9:Testing n9:Pointers n9:Simulations
n3:kontrolniKodProRIV
[AF92D0FFBDF8]
n3:mistoKonaniAkce
Praha, Czechia
n3:mistoVydani
Praha, Czechia
n3:nazevZdroje
WDS'12 Proceedings of Contributed Papers, Part III
n3:obor
n16:DG
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:rokUplatneniVysledku
n6:2012
n3:tvurceVysledku
Brechler, Josef Jirk, Aleš
n3:typAkce
n7:CST
n3:zahajeniAkce
2012-05-29+02:00
n3:zamer
n21:MSM0021620860
s:numberOfPages
5
n17:hasPublisher
Matfyzpress
n12:isbn
978-80-7378-224-5
n20:organizacniJednotka
11320