About: NUMERICAL SIMULATION OF THE FLOW AROUND DIFFUSIBLE BARRIERS

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://efm.kez.tul.cz/
Description	We work with the system of equations describing the non-stationary compressible fluid flow, and we focus on the numerical solution of these equations, and on the boundary conditions. In order to construct the boundary conditions we analyze the equations in the close vicinity of the boundary. Many boundary conditions (i.e. fixed, linearized) do not solve the local problem in an appropriate way, which may bring non-physical errors into the solution, slow down the convergent process, or even ruin the solution in the whole domain. We use the analysis of the exact solution of the Riemann problem in order to solve this local boundary problem. In the case of the diffusible barrier we solve the modified Riemann problem, with the one-side initial condition, complemented with the Darcy's law and added inertial loss. We analyze the solution of this problem. We show the computational results of the flow through the diffusible barrier, obtained with the own-developed code for the solution of the compressible gas flow. We work with the system of equations describing the non-stationary compressible fluid flow, and we focus on the numerical solution of these equations, and on the boundary conditions. In order to construct the boundary conditions we analyze the equations in the close vicinity of the boundary. Many boundary conditions (i.e. fixed, linearized) do not solve the local problem in an appropriate way, which may bring non-physical errors into the solution, slow down the convergent process, or even ruin the solution in the whole domain. We use the analysis of the exact solution of the Riemann problem in order to solve this local boundary problem. In the case of the diffusible barrier we solve the modified Riemann problem, with the one-side initial condition, complemented with the Darcy's law and added inertial loss. We analyze the solution of this problem. We show the computational results of the flow through the diffusible barrier, obtained with the own-developed code for the solution of the compressible gas flow. (en)
Title	NUMERICAL SIMULATION OF THE FLOW AROUND DIFFUSIBLE BARRIERS NUMERICAL SIMULATION OF THE FLOW AROUND DIFFUSIBLE BARRIERS (en)
skos:prefLabel	NUMERICAL SIMULATION OF THE FLOW AROUND DIFFUSIBLE BARRIERS NUMERICAL SIMULATION OF THE FLOW AROUND DIFFUSIBLE BARRIERS (en)
skos:notation	RIV/00010669:_____/12:#0001514!RIV13-MPO-00010669
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Pelant, Jaroslav Kyncl, Martin
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Výzkumný a zkušební letecký ústav, a.s.
http://linked.open...dnocenehoVysledku	155057
http://linked.open...ai/riv/idVysledku	RIV/00010669:_____/12:#0001514
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	compressible gas flow; the Riemann problem; boundary conditions (en)
http://linked.open.../riv/klicoveSlovo	compressible gas flow the Riemann problem boundary conditions
http://linked.open...ontrolniKodProRIV	[F3AD68FE6DBA]
http://linked.open...v/mistoKonaniAkce	Hradec Králové
http://linked.open...i/riv/nazevZdroje	Experimental fluid mechanics 2012
http://linked.open...in/vavai/riv/obor	JU
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Kyncl, Martin Pelant, Jaroslav
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2012-11-20 (xsd:date)
number of pages	9 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Polypress s.r.o.
https://schema.org/isbn	978-80-7372-912-7

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