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144 lines
3.7 KiB
C++
144 lines
3.7 KiB
C++
/*---------------------------------------------------------------------------*\
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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 (C) 2011-2012 OpenFOAM Foundation
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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
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the Free Software Foundation, either version 3 of the License, or
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(at your 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, see <http://www.gnu.org/licenses/>.
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Global
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dimensionSets
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Description
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Useful dimension sets
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SourceFiles
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dimensionSets.C
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\*---------------------------------------------------------------------------*/
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#ifndef dimensionSets_H
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#define dimensionSets_H
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#include "scalarMatrices.H"
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#include "dimensionedScalarFwd.H"
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#include "PtrList.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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extern const dimensionSet dimless;
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extern const dimensionSet dimMass;
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extern const dimensionSet dimLength;
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extern const dimensionSet dimTime;
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extern const dimensionSet dimTemperature;
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extern const dimensionSet dimMoles;
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extern const dimensionSet dimCurrent;
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extern const dimensionSet dimLuminousIntensity;
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extern const dimensionSet dimArea;
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extern const dimensionSet dimVolume;
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extern const dimensionSet dimVol;
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extern const dimensionSet dimDensity;
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extern const dimensionSet dimForce;
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extern const dimensionSet dimEnergy;
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extern const dimensionSet dimPower;
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extern const dimensionSet dimVelocity;
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extern const dimensionSet dimAcceleration;
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extern const dimensionSet dimPressure;
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extern const dimensionSet dimGasConstant;
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extern const dimensionSet dimSpecificHeatCapacity;
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class dimensionSets
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{
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// Private data
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//- Set of dimensions
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PtrList<dimensionedScalar> units_;
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//- LU decomposition of dimensions
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scalarSquareMatrix conversion_;
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//- See above
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labelList conversionPivots_;
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//- Is LU decomposition valid
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bool valid_;
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public:
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// Constructors
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//- Construct from all units and set of units to use for inversion
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// (writing)
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dimensionSets
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(
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const HashTable<dimensionedScalar>&,
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const wordList& unitNames
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);
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// Member functions
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//- Return the units
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const PtrList<dimensionedScalar>& units() const
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{
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return units_;
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}
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//- Is there a valid inverse of the selected unit
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bool valid() const
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{
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return valid_;
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}
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//- (if valid) obtain set of coefficients of unitNames
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void coefficients(scalarField&) const;
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};
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//- Top level dictionary
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dictionary& dimensionSystems();
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//- Set of all dimensions
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const HashTable<dimensionedScalar>& unitSet();
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//- Set of units
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const dimensionSets& writeUnitSet();
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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