financialFoam.C
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25 
26 Application
27  financialFoam
28 
29 Group
30  grpFinancialSolvers
31 
32 Description
33  Solves the Black-Scholes equation to price commodities.
34 
35 \*---------------------------------------------------------------------------*/
36 
37 #include "fvCFD.H"
38 #include "writeCellGraph.H"
39 #include "OSspecific.H"
40 
41 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
42 
43 int main(int argc, char *argv[])
44 {
45  argList::addNote
46  (
47  "Solves the Black-Scholes equation to price commodities."
48  );
49 
50  #define NO_CONTROL
51  #include "postProcess.H"
52 
53  #include "addCheckCaseOptions.H"
54  #include "setRootCaseLists.H"
55  #include "createTime.H"
56  #include "createMesh.H"
57  #include "createFields.H"
58 
59  // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
60 
61  Info<< nl << "Calculating value(price of comodities)" << endl;
62 
63  surfaceScalarField phi("phi", (sigmaSqr - r)*(Pf & mesh.Sf()));
64 
65  volScalarField DV("DV", 0.5*sigmaSqr*sqr(P.component(Foam::vector::X)));
66 
67  Info<< "Starting time loop\n" << endl;
68 
69  while (runTime.loop())
70  {
71  delta == fvc::grad(V)().component(Foam::vector::X);
72 
73  solve
74  (
75  fvm::ddt(V)
76  + fvm::div(phi, V)
77  - fvm::Sp(fvc::div(phi), V)
78  - fvm::laplacian(DV, V)
79  ==
80  - fvm::Sp(r, V)
81  );
82 
83  runTime.write();
84 
85  if (runTime.writeTime())
86  {
87  writeCellGraph(V, runTime.graphFormat());
88  writeCellGraph(delta, runTime.graphFormat());
89  }
90 
91  runTime.printExecutionTime(Info);
92  }
93 
94  Info<< "End\n" << endl;
95 
96  return 0;
97 }
98 
99 
100 // ************************************************************************* //
scalar delta
void writeCellGraph(const volScalarField &vsf, const word &graphFormat)
Definition: writeCellGraph.C:9
dimensionedSymmTensor sqr(const dimensionedVector &dv)
constexpr char nl
The newline &#39;\n&#39; character (0x0a)
Definition: Ostream.H:50
tmp< GeometricField< Type, faPatchField, areaMesh > > div(const GeometricField< Type, faePatchField, edgeMesh > &ssf)
Definition: facDiv.C:43
engineTime & runTime
Ostream & endl(Ostream &os)
Add newline and flush stream.
Definition: Ostream.H:531
tmp< GeometricField< Type, faPatchField, areaMesh > > ddt(const dimensioned< Type > dt, const faMesh &mesh)
Definition: facDdt.C:40
CEqn solve()
GeometricField< scalar, fvPatchField, volMesh > volScalarField
Definition: volFieldsFwd.H:72
Functions used by OpenFOAM that are specific to POSIX compliant operating systems and need to be repl...
dynamicFvMesh & mesh
tmp< GeometricField< Type, faPatchField, areaMesh > > laplacian(const GeometricField< Type, faPatchField, areaMesh > &vf, const word &name)
Definition: facLaplacian.C:40
Required Classes.
messageStream Info
Information stream (stdout output on master, null elsewhere)
GeometricField< scalar, fvsPatchField, surfaceMesh > surfaceScalarField
Execute application functionObjects to post-process existing results.
void component(FieldField< Field, typename FieldField< Field, Type >::cmptType > &sf, const FieldField< Field, Type > &f, const direction d)
Required Classes.
tmp< GeometricField< typename outerProduct< vector, Type >::type, faPatchField, areaMesh >> grad(const GeometricField< Type, faePatchField, edgeMesh > &ssf)
Definition: facGrad.C:51
zeroField Sp
Definition: alphaSuSp.H:2