FreeFOAM The Cross-Platform CFD Toolkit
fvcDDt_subst.C
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1 /*---------------------------------------------------------------------------*\
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4  \\ / O peration |
5  \\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
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23 
24 Description
25 
26 
27 \*---------------------------------------------------------------------------*/
28 
29 #include "fvcDDt_subst.H"
30 #include "fvcDiv.H"
31 #include <finiteVolume/fvMesh.H>
32 
33 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
34 
35 namespace Foam
36 {
37 
38 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
39 
40 namespace fvc
41 {
42 
43 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
44 
45 template<class Type>
46 tmp<GeometricField<Type, fvPatchField, volMesh> >
47 DDt
48 (
49  const surfaceScalarField& phi,
51 )
52 {
54  = fvc::ddt(psi) + fvc::div(phi, psi);
55 
56  if (phi.mesh().moving())
57  {
58  return ddtDivPhiPsi - fvc::div(phi + phi.mesh().phi())*psi;
59  }
60  else
61  {
62  return ddtDivPhiPsi - fvc::div(phi)*psi;
63  }
64 }
65 
66 
67 template<class Type>
69 DDt
70 (
71  const tmp<surfaceScalarField>& tphi,
73 )
74 {
76  (
77  fvc::DDt(tphi(), psi)
78  );
79  tphi.clear();
80  return DDtPsi;
81 }
82 
83 
84 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
85 
86 } // End namespace fvc
87 
88 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
89 
90 } // End namespace Foam
91 
92 // ************************ vim: set sw=4 sts=4 et: ************************ //