mdInitialise.C
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1 /*---------------------------------------------------------------------------*\
2  ========= |
3  \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
4  \\ / O peration |
5  \\ / A nd |
6  \\/ M anipulation |
7 -------------------------------------------------------------------------------
8  Copyright (C) 2011-2015 OpenFOAM Foundation
9 -------------------------------------------------------------------------------
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12 
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25 
26 Application
27  mdInitialise
28 
29 Group
30  grpPreProcessingUtilities
31 
32 Description
33  Initialises fields for a molecular dynamics (MD) simulation.
34 
35 \*---------------------------------------------------------------------------*/
36 
37 #include "md.H"
38 #include "fvCFD.H"
39 
40 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
41 
42 int main(int argc, char *argv[])
43 {
44  argList::addNote
45  (
46  "Initialises fields for a molecular dynamics (MD) simulation"
47  );
48  #include "setRootCase.H"
49  #include "createTime.H"
50  #include "createNamedMesh.H"
51 
52  IOdictionary mdInitialiseDict
53  (
54  IOobject
55  (
56  "mdInitialiseDict",
57  runTime.system(),
58  runTime,
59  IOobject::MUST_READ_IF_MODIFIED,
60  IOobject::NO_WRITE,
61  IOobject::NO_REGISTER
62  )
63  );
64 
65  IOdictionary idListDict
66  (
67  IOobject
68  (
69  "idList",
70  mesh.time().constant(),
71  mesh,
72  IOobject::NO_READ,
73  IOobject::AUTO_WRITE
74  )
75  );
76 
77  potential pot(mesh, mdInitialiseDict, idListDict);
78 
79  moleculeCloud molecules(mesh, pot, mdInitialiseDict);
80 
81  label totalMolecules = molecules.size();
82 
83  if (Pstream::parRun())
84  {
85  reduce(totalMolecules, sumOp<label>());
86  }
87 
88  Info<< nl << "Total number of molecules added: " << totalMolecules
89  << nl << endl;
90 
91  IOstream::defaultPrecision(15);
92 
93  if (!mesh.write())
94  {
96  << "Failed writing moleculeCloud."
97  << nl << exit(FatalError);
98  }
99 
100  Info<< nl;
101  runTime.printExecutionTime(Info);
102 
103  Info<< "\nEnd\n" << endl;
104 
105  return 0;
106 }
107 
108 
109 // ************************************************************************* //
errorManipArg< error, int > exit(error &err, const int errNo=1)
Definition: errorManip.H:125
error FatalError
Error stream (stdout output on all processes), with additional &#39;FOAM FATAL ERROR&#39; header text and sta...
#define FatalErrorInFunction
Report an error message using Foam::FatalError.
Definition: error.H:578
constexpr char nl
The newline &#39;\n&#39; character (0x0a)
Definition: Ostream.H:49
engineTime & runTime
Ostream & endl(Ostream &os)
Add newline and flush stream.
Definition: Ostream.H:487
Required Variables.
dynamicFvMesh & mesh
void reduce(const List< UPstream::commsStruct > &comms, T &value, const BinaryOp &bop, const int tag, const label comm)
Reduce inplace (cf. MPI Allreduce) using specified communication schedule.
messageStream Info
Information stream (stdout output on master, null elsewhere)