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Statements

Subject Item
n2:RIV%2F49777513%3A23520%2F07%3A00000251%21RIV08-MSM-23520___
rdf:type
skos:Concept n16:Vysledek
dcterms:description
Fundamentals of two different numerical approaches to the fluid flow modelling are presented. The smoothed particle hydrodynamics (SPH) is a meshless approach,while the finite volume (FV) method is defined on a grid. Within SPH, the computational grid is replaced by a finite set of interpolating points. The fluid flow is described by Euler equations and dissipative effects are treated by artificial viscosity terms. Within the cell-centred FV method,the computational domain is discretised with a structured grid and the fluid flow is defined by a non-linear conservative system of the Navier–Stokes equations. The artificial dissipation and the algebraic turbulence model are applied. Implemented SPH and FV codes are tested on a two-dimensional flow of Newtonian fluid through a rigid channel. Tento článek se zabývá základy dvou rozdílných přístupů k modelování proudění tekutin. Metoda smoothed particle hydrodynamics (SPH) reprezentuje bezsíťový přístup, zatímco metoda konečných objemů (FV) využívá výpočetní sítě. V rámci metody SPH je výpočetní síť nahrazena konečnou množinou interpolačních bodů. K popisu proudění kapaliny se používá Eulerova rovnice a disipace je modelována pomocí umělé viskozity. V rámci FV metody je výpočetní oblast diskretizována za použití strukturované sítě a pohyb kapaliny je popsán systémem nelineárních Navier-Stokesových rovnic v konzervativním tvaru. Tento systém rovnic je rozšířen o model umělé disipace Fundamentals of two different numerical approaches to the fluid flow modelling are presented. The smoothed particle hydrodynamics (SPH) is a meshless approach,while the finite volume (FV) method is defined on a grid. Within SPH, the computational grid is replaced by a finite set of interpolating points. The fluid flow is described by Euler equations and dissipative effects are treated by artificial viscosity terms. Within the cell-centred FV method,the computational domain is discretised with a structured grid and the fluid flow is defined by a non-linear conservative system of the Navier–Stokes equations. The artificial dissipation and the algebraic turbulence model are applied. Implemented SPH and FV codes are tested on a two-dimensional flow of Newtonian fluid through a rigid channel.
dcterms:title
Smoothed particle hydrodynamics and finite volume modelling of incompressible fluid flow Smoothed particle hydrodynamics and finite volume modelling of incompressible fluid flow Modelování proudění nestlačitelných tekutin pomocí smoothed particle hydrodynamics a metody konečných objemů
skos:prefLabel
Smoothed particle hydrodynamics and finite volume modelling of incompressible fluid flow Smoothed particle hydrodynamics and finite volume modelling of incompressible fluid flow Modelování proudění nestlačitelných tekutin pomocí smoothed particle hydrodynamics a metody konečných objemů
skos:notation
RIV/49777513:23520/07:00000251!RIV08-MSM-23520___
n4:strany
124
n4:aktivita
n17:Z
n4:aktivity
Z(MSM4977751303)
n4:cisloPeriodika
0
n4:dodaniDat
n6:2008
n4:domaciTvurceVysledku
n15:9014748 n15:1589091
n4:druhVysledku
n9:J
n4:duvernostUdaju
n5:S
n4:entitaPredkladatele
n14:predkladatel
n4:idSjednocenehoVysledku
450551
n4:idVysledku
RIV/49777513:23520/07:00000251
n4:jazykVysledku
n11:eng
n4:klicovaSlova
smoothed particle hydrodynamics; finite volume method; fluid flow; computational modelling
n4:klicoveSlovo
n10:smoothed%20particle%20hydrodynamics n10:finite%20volume%20method n10:fluid%20flow n10:computational%20modelling
n4:kodStatuVydavatele
NL - Nizozemsko
n4:kontrolniKodProRIV
[FC0E244567C1]
n4:nazevZdroje
Mathematics and Computers in Simulation
n4:obor
n8:BK
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
2
n4:rokUplatneniVysledku
n6:2007
n4:tvurceVysledku
Lobovský, Libor Vimmr, Jan
n4:zamer
n12:MSM4977751303
s:issn
0378-4754
s:numberOfPages
8
n18:organizacniJednotka
23520