analytical.C
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25 
26 #include "analytical.H"
28 
29 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
30 
31 namespace Foam
32 {
33 namespace integrationSchemes
34 {
37 }
38 }
39 
40 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
41 
43 {}
44 
45 
46 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
47 
49 {}
50 
51 
52 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
53 
55 (
56  const scalar dt,
57  const scalar Beta
58 ) const
59 {
60  return
61  mag(Beta*dt) > small
62  ? (1 - exp(- Beta*dt))/Beta
63  : dt;
64 }
65 
66 
68 (
69  const scalar dt,
70  const scalar Beta
71 ) const
72 {
73  return
74  mag(Beta*dt) > small
75  ? dt/Beta - (1 - exp(- Beta*dt))/sqr(Beta)
76  : sqr(dt);
77 }
78 
79 
80 // ************************************************************************* //
defineTypeNameAndDebug(analytical, 0)
virtual ~analytical()
Destructor.
Definition: analytical.C:48
addToRunTimeSelectionTable(integrationScheme, analytical, word)
dimensionedSymmTensor sqr(const dimensionedVector &dv)
Macros for easy insertion into run-time selection tables.
dimensionedScalar exp(const dimensionedScalar &ds)
A class for handling words, derived from string.
Definition: word.H:59
Analytical integration scheme.
Definition: analytical.H:51
Base for a set of schemes which integrate simple ODEs which arise from semi-implcit rate expressions...
dimensioned< scalar > mag(const dimensioned< Type > &)
virtual scalar sumDtEff(const scalar dt, const scalar Beta) const
Return the integral of the effective time step.
Definition: analytical.C:68
virtual scalar dtEff(const scalar dt, const scalar Beta) const
Return the integration effective time step.
Definition: analytical.C:55
Namespace for OpenFOAM.