126 lines
3.4 KiB
C
126 lines
3.4 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration |
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\\ / A nd | For copyright notice see file Copyright
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of foam-extend.
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foam-extend is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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foam-extend is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "wedge.H"
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#include "addToRunTimeSelectionTable.H"
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#include "mathematicalConstants.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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namespace extrudeModels
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{
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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defineTypeNameAndDebug(wedge, 0);
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addToRunTimeSelectionTable(extrudeModel, wedge, dictionary);
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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wedge::wedge(const dictionary& dict)
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:
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extrudeModel(typeName, dict),
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axisPt_(coeffDict_.lookup("axisPt")),
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axis_(coeffDict_.lookup("axis")),
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angle_
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(
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readScalar(coeffDict_.lookup("angle"))
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*mathematicalConstant::pi/180.0
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)
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{}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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wedge::~wedge()
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{}
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// * * * * * * * * * * * * * * * * Operators * * * * * * * * * * * * * * * * //
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point wedge::operator()
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(
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const point& surfacePoint,
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const vector& surfaceNormal,
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const label layer
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) const
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{
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scalar sliceAngle;
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// For the case of a single layer extrusion assume a
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// symmetric wedge about the reference plane is required
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if (nLayers_ == 1)
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{
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if (layer == 0)
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{
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sliceAngle = -angle_/2.0;
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}
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else
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{
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sliceAngle = angle_/2.0;
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}
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}
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else
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{
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//sliceAngle = angle_*(layer + 1)/nLayers_;
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sliceAngle = angle_*layer/nLayers_;
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}
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// Find projection onto axis (or rather decompose surfacePoint
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// into vector along edge (proj), vector normal to edge in plane
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// of surface point and surface normal.
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point d = surfacePoint - axisPt_;
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d -= (axis_ & d)*axis_;
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scalar dMag = mag(d);
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point edgePt = surfacePoint - d;
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// Rotate point around sliceAngle.
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point rotatedPoint = edgePt;
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if (dMag > VSMALL)
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{
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vector n = (d/dMag) ^ axis_;
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rotatedPoint +=
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+ cos(sliceAngle)*d
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- sin(sliceAngle)*mag(d)*n; // Use either n or surfaceNormal
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}
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return rotatedPoint;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace extrudeModels
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} // End namespace Foam
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// ************************************************************************* //
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