1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 1991-2009 OpenCFD Ltd.
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
11 OpenFOAM is free software; you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by the
13 Free Software Foundation; either version 2 of the License, or (at your
14 option) any later version.
16 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 You should have received a copy of the GNU General Public License
22 along with OpenFOAM; if not, write to the Free Software Foundation,
23 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
25 \*---------------------------------------------------------------------------*/
27 #include "sampledSurface.H"
30 bool Foam::sampledSurface::checkFieldSize(const Field<Type>& field) const
32 if (faces().empty() || field.empty())
37 if (field.size() != faces().size())
41 "sampledSurface::checkFieldSize(const Field<Type>&) const"
44 << "field (" << field.size()
45 << ") != surface (" << faces().size() << ")"
54 Type Foam::sampledSurface::integrate(const Field<Type>& field) const
56 Type value = pTraits<Type>::zero;
58 if (checkFieldSize(field))
60 value = sum(field * magSf());
63 reduce(value, sumOp<Type>());
69 Type Foam::sampledSurface::integrate(const tmp<Field<Type> >& field) const
71 Type value = integrate(field());
78 Type Foam::sampledSurface::average(const Field<Type>& field) const
80 Type value = pTraits<Type>::zero;
82 if (checkFieldSize(field))
84 value = sum(field * magSf());
87 reduce(value, sumOp<Type>());
89 // avoid divide-by-zero
92 return value / area();
96 return pTraits<Type>::zero;
102 Type Foam::sampledSurface::average(const tmp<Field<Type> >& field) const
104 Type value = average(field());
110 template<class ReturnType, class Type>
111 void Foam::sampledSurface::project
113 Field<ReturnType>& res,
114 const Field<Type>& field
117 if (checkFieldSize(field))
119 const vectorField& norm = Sf();
123 res[faceI] = field[faceI] & (norm[faceI] / mag(norm[faceI]));
133 template<class ReturnType, class Type>
134 void Foam::sampledSurface::project
136 Field<ReturnType>& res,
137 const tmp<Field<Type> >& field
140 project(res, field());
145 template<class ReturnType, class Type>
146 Foam::tmp<Foam::Field<ReturnType> >
147 Foam::sampledSurface::project
149 const tmp<Field<Type> >& field
152 tmp<Field<ReturnType> > tRes(new Field<ReturnType>(faces().size()));
153 project(tRes(), field);
158 // ************************************************************************* //