electromagneticConstants.H

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License
    This file is part of OpenFOAM.
 
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    under the terms of the GNU General Public License as published by
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Namespace
    Foam::constant::electromagnetic
 
Description
    Electromagnetic constants
 
\*---------------------------------------------------------------------------*/
 
#ifndef electromagneticConstants_H
#define electromagneticConstants_H
 
#include "dimensionedScalar.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace constant
{
namespace electromagnetic
{
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
    //- Group name for electromagnetic constants
    extern const char* const group;
 
    //- Magnetic constant/permeability of free space: default SI units: [H/m]
    extern const dimensionedScalar mu0;
 
    //- Electric constant: default SI units: [F/m]
    extern const dimensionedScalar epsilon0;
 
    //- Characteristic impedance of a vacuum: default SI units: [ohm]
    extern const dimensionedScalar Z0;
 
    //- Coulomb constant: default SI units: [N.m2/C2]
    extern const dimensionedScalar kappa;
 
    //- Conductance quantum: default SI units: [S]
    extern const dimensionedScalar G0;
 
    //- Josephson constant: default SI units: [Hz/V]
    extern const dimensionedScalar KJ;
 
    //- Magnetic flux quantum: default SI units: [Wb]
    extern const dimensionedScalar phi0;
 
    //- Von Klitzing constant: default SI units: [ohm]
    extern const dimensionedScalar RK;
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace electromagnetic
} // End namespace constant
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //