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Numerical simulation of inviscid fluid flow in time-dependent domains

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F47718684%3A_____%2F15%3A%230000627" target="_blank" >RIV/47718684:_____/15:#0000627 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Numerical simulation of inviscid fluid flow in time-dependent domains

  • Original language description

    The paper deals with the inviscid compressible fluid flow simulation in domains with deforming boundaries. The computational code for the numerical solution of the non-linear system of Euler equations in time-dependent domains was developed as the first step of solution of fluid-structure interaction problem. Arbitrary Lagrangian - Eulerian (ALE) description of continuum, combining Eulerian and Lagrangian approach, was used. ALE formulation of the non-linear system of Euler equations. The finite volume method, adapted for triangular computational grids, was used for the spatial discretization and the inviscid fluxes were discretized by explicit Lax-Friedrichs scheme. The computational code was validated using the well-known case of inviscid fluid flow around the airfoil NACA 0012. The boundary conditions and simulation parameters were set according to the conditions of experimental measurement and the pitching motion of the body was defined by a time-dependent function. The algorithm for the mesh deformation, suitable for the problem of flow around vibrating rigid body, is based on interpolation of coordinates by using polynomial blending function. The results of a gas flow around the vibrating profile are presented and compared with numerical results of other authors and experimental data.

  • Czech name

  • Czech description

Classification

  • Type

    O - Miscellaneous

  • CEP classification

    BK - Liquid mechanics

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/TE01020068" target="_blank" >TE01020068: Centre of research and experimental development of reliable energy production</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2015

  • Confidentiality

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