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Numerical Modeling of the Stratified Flow in a Towing Tank

Result description

The article deals with the numerical simulation of 2D and 3D unsteady incompressible stratified flows. Initial system of equations is the Boussinesq approximation of the Navier-Stokes equations. The flow field in the towing tank with a moving obstacle ismodeled for a wide range of Richardson numbers. The obstacle is modeled via penalization technique. The resulting set of equations is then solved by the fifth-order finite difference WENO scheme, or by the second-order finite volume AUSM MUSCL scheme. In the time, the second-order BDF method was used. Both schemes are combined with the artificial compressibility method in dual time.

Keywords

stratified flowBoussinesq approximationAUSM MUSCLWENOartificial compressibility

The result's identifiers

Alternative languages

  • Result language

    angličtina

  • Original language name

    Numerical Modeling of the Stratified Flow in a Towing Tank

  • Original language description

    The article deals with the numerical simulation of 2D and 3D unsteady incompressible stratified flows. Initial system of equations is the Boussinesq approximation of the Navier-Stokes equations. The flow field in the towing tank with a moving obstacle ismodeled for a wide range of Richardson numbers. The obstacle is modeled via penalization technique. The resulting set of equations is then solved by the fifth-order finite difference WENO scheme, or by the second-order finite volume AUSM MUSCL scheme. In the time, the second-order BDF method was used. Both schemes are combined with the artificial compressibility method in dual time.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    BK - Liquid mechanics

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2009

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Computational Mechanics 2009 - Book of Extended Abstracts

  • ISBN

    978-80-7043-824-4

  • ISSN

  • e-ISSN

  • Number of pages

    2

  • Pages from-to

  • Publisher name

    University of West Bohemia

  • Place of publication

    Pilsen

  • Event location

    Hrad Nečtiny

  • Event date

    Nov 9, 2009

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article

Basic information

Result type

D - Article in proceedings

D

CEP

BK - Liquid mechanics

Year of implementation

2009