Exemplo n.º 1
0
def _createFields(runTime, mesh):
    ref.ext_Info() << "Reading field T\n" << ref.nl
    T = man.volScalarField(
        man.IOobject(ref.word("T"), ref.fileName(runTime.timeName()), mesh,
                     ref.IOobject.MUST_READ, ref.IOobject.AUTO_WRITE), mesh)

    ref.ext_Info() << "Reading field U\n" << ref.nl
    U = man.volVectorField(
        man.IOobject(ref.word("U"), ref.fileName(runTime.timeName()), mesh,
                     ref.IOobject.MUST_READ, ref.IOobject.AUTO_WRITE), mesh)

    ref.ext_Info() << "Reading transportProperties\n" << ref.nl
    transportProperties = man.IOdictionary(
        man.IOobject(ref.word("transportProperties"),
                     ref.fileName(runTime.constant()), mesh,
                     ref.IOobject.MUST_READ_IF_MODIFIED,
                     ref.IOobject.NO_WRITE))

    ref.ext_Info() << "Reading diffusivity D\n" << ref.nl

    DT = ref.dimensionedScalar(transportProperties.lookup(ref.word("DT")))

    phi = man.createPhi(runTime, mesh, U)

    return T, U, transportProperties, DT, phi
Exemplo n.º 2
0
def _createFields(runTime, mesh):

    ref.ext_Info() << "Reading field U\n" << ref.nl
    U = man.volVectorField(
        man.IOobject(ref.word("U"), ref.fileName(runTime.timeName()), mesh,
                     ref.IOobject.MUST_READ, ref.IOobject.AUTO_WRITE), mesh)

    ref.ext_Info() << "Creating face flux\n" << ref.nl
    phi = man.surfaceScalarField(
        man.IOobject(ref.word("phi"), ref.fileName(runTime.timeName()), mesh,
                     ref.IOobject.NO_READ, ref.IOobject.NO_WRITE), mesh,
        ref.dimensionedScalar(ref.word("zero"),
                              mesh.Sf().dimensions() * U.dimensions(), 0.0))

    laminarTransport = man.singlePhaseTransportModel(U, phi)

    turbulence = man.incompressible.RASModel.New(U, phi, laminarTransport)

    transportProperties = man.IOdictionary(
        man.IOobject(ref.word("transportProperties"),
                     ref.fileName(runTime.constant()), mesh,
                     ref.IOobject.MUST_READ, ref.IOobject.NO_WRITE))
    Ubar = ref.dimensionedVector(transportProperties.lookup(ref.word("Ubar")))

    flowDirection = (Ubar / Ubar.mag()).ext_value()
    flowMask = flowDirection.sqr()

    gradP = ref.dimensionedVector(ref.word("gradP"),
                                  ref.dimensionSet(0.0, 1.0, -2.0, 0.0, 0.0),
                                  ref.vector(0.0, 0.0, 0.0))

    return U, phi, laminarTransport, turbulence, Ubar, gradP, flowDirection, flowMask
Exemplo n.º 3
0
def readTransportProperties(runTime, mesh):
    ref.ext_Info() << "Reading transportProperties\n" << ref.nl

    transportProperties = man.IOdictionary(
        man.IOobject(ref.word("transportProperties"),
                     ref.fileName(runTime.constant()), mesh,
                     ref.IOobject.MUST_READ_IF_MODIFIED,
                     ref.IOobject.NO_WRITE))

    mu = ref.dimensionedScalar(transportProperties.lookup(ref.word("mu")))

    return transportProperties, mu
Exemplo n.º 4
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def readThermophysicalProperties(runTime, mesh):
    ref.ext_Info() << "Reading thermophysicalProperties\n" << ref.nl

    # Pr defined as a separate constant to enable calculation of k, currently
    # inaccessible through thermo
    thermophysicalProperties = man.IOdictionary(
        man.IOobject(ref.word("thermophysicalProperties"),
                     ref.fileName(runTime.constant()), mesh,
                     ref.IOobject.MUST_READ, ref.IOobject.NO_WRITE))

    Pr = ref.dimensionedScalar.lookupOrDefault(ref.word("Pr"),
                                               thermophysicalProperties(), 1.0)

    return thermophysicalProperties, Pr
Exemplo n.º 5
0
def readTurbulenceProperties(runTime, mesh, U):

    ref.ext_Info() << "Reading turbulenceProperties\n" << ref.nl
    turbulenceProperties = man.IOdictionary(
        man.IOobject(ref.word("turbulenceProperties"),
                     ref.fileName(runTime.constant()), mesh,
                     ref.IOobject.MUST_READ_IF_MODIFIED,
                     ref.IOobject.NO_WRITE))

    force = U / ref.dimensionedScalar(ref.word("dt"), ref.dimTime,
                                      runTime.deltaTValue())

    K = man.Kmesh(mesh)
    forceGen = man.UOprocess(K, runTime.deltaTValue(), turbulenceProperties)

    return turbulenceProperties, force, K, forceGen
Exemplo n.º 6
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def readThermodynamicProperties(runTime, mesh):
    ref.ext_Info() << "Reading thermodynamicProperties\n" << ref.nl

    thermodynamicProperties = man.IOdictionary(
        man.IOobject(ref.word("thermodynamicProperties"),
                     ref.fileName(runTime.constant()), mesh,
                     ref.IOobject.MUST_READ_IF_MODIFIED,
                     ref.IOobject.NO_WRITE))
    rho0 = ref.dimensionedScalar(
        thermodynamicProperties.lookup(ref.word("rho0")))
    p0 = ref.dimensionedScalar(thermodynamicProperties.lookup(ref.word("p0")))
    psi = ref.dimensionedScalar(thermodynamicProperties.lookup(
        ref.word("psi")))
    # Density offset, i.e. the constant part of the density
    rhoO = ref.dimensionedScalar(ref.word("rhoO"), rho0 - psi * p0)

    return thermodynamicProperties, rho0, p0, psi, rhoO
Exemplo n.º 7
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def readGravitationalAcceleration(runTime, mesh):
    ref.ext_Info() << "\nReading gravitationalProperties" << ref.nl

    gravitationalProperties = man.IOdictionary(
        man.IOobject(ref.word("gravitationalProperties"),
                     ref.fileName(runTime.constant()), mesh,
                     ref.IOobject.MUST_READ_IF_MODIFIED,
                     ref.IOobject.NO_WRITE))

    g = ref.dimensionedVector(gravitationalProperties.lookup(ref.word("g")))
    rotating = ref.Switch(gravitationalProperties.lookup(ref.word("rotating")))

    if rotating:
        Omega = ref.dimensionedVector(
            gravitationalProperties.lookup(ref.word("Omega")))
    else:
        Omega = ref.dimensionedVector(ref.word("Omega"), -ref.dimTime,
                                      ref.vector(0, 0, 0))

    magg = g.mag()
    gHat = g / magg

    return gravitationalProperties, g, rotating, Omega, magg, gHat