98 lines
2.7 KiB
C
98 lines
2.7 KiB
C
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright held by original author
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM 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 2 of the License, or (at your
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option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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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 OpenFOAM; if not, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Description
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lineDivide class : divides a line into segments
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\*---------------------------------------------------------------------------*/
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#include "error.H"
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#include "lineDivide.H"
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#include "curvedEdge.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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// Construct from components
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lineDivide::lineDivide(const curvedEdge& bc, const label n, const scalar xratio)
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:
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points_(n + 1),
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divisions_(n + 1),
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noPoints_(n)
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{
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scalar np(n);
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scalar lambda(0.0);
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if (xratio == 1.0)
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{
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scalar y(1.0/np);
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for (label i=0; i<=noPoints_; i++)
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{
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lambda = scalar(i)/np;
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points_[i] = bc.position(lambda);
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divisions_[i] = y*i;
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}
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}
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else
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{
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points_[0] = bc.position(0.0);
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divisions_[0] = 0.0;
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scalar xrpower = 1.0;
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for (label i=1; i<=noPoints_; i++)
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{
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lambda = (1.0 - pow(xratio, i))/(1.0 - pow(xratio, np));
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points_[i] = bc.position(lambda);
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divisions_[i] = lambda;
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xrpower *= xratio;
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}
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}
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}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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const pointField& lineDivide::points() const
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{
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return points_;
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}
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const scalarList& lineDivide::lambdaDivisions() const
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{
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return divisions_;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// ************************************************************************* //
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