coordinateRotation.C

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | Copyright (C) 2011-2020 OpenFOAM Foundation
     \\/     M anipulation  |
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License
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#include "coordinateRotation.H"
#include "dictionary.H"
#include "addToRunTimeSelectionTable.H"

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

namespace Foam
{
    defineTypeNameAndDebug(coordinateRotation, 0);
    defineRunTimeSelectionTable(coordinateRotation, dictionary);
    defineRunTimeSelectionTable(coordinateRotation, points);
}


// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //

Foam::symmTensor Foam::coordinateRotation::transformPrincipal
(
    const tensor& tt,
    const vector& st
) const
{
    return symmTensor
    (
        tt.xx()*st.x()*tt.xx()
      + tt.xy()*st.y()*tt.xy()
      + tt.xz()*st.z()*tt.xz(),

        tt.xx()*st.x()*tt.yx()
      + tt.xy()*st.y()*tt.yy()
      + tt.xz()*st.z()*tt.yz(),

        tt.xx()*st.x()*tt.zx()
      + tt.xy()*st.y()*tt.zy()
      + tt.xz()*st.z()*tt.zz(),

        tt.yx()*st.x()*tt.yx()
      + tt.yy()*st.y()*tt.yy()
      + tt.yz()*st.z()*tt.yz(),

        tt.yx()*st.x()*tt.zx()
      + tt.yy()*st.y()*tt.zy()
      + tt.yz()*st.z()*tt.zz(),

        tt.zx()*st.x()*tt.zx()
      + tt.zy()*st.y()*tt.zy()
      + tt.zz()*st.z()*tt.zz()
    );

}

// ************************************************************************* //