rotatingMotion.C
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1 /*---------------------------------------------------------------------------*\
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5  \\ / A nd | Copyright (C) 2011-2015 OpenFOAM Foundation
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25 
26 #include "rotatingMotion.H"
28 #include "mathematicalConstants.H"
29 
30 using namespace Foam::constant::mathematical;
31 
32 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
33 
34 namespace Foam
35 {
36 namespace solidBodyMotionFunctions
37 {
38  defineTypeNameAndDebug(rotatingMotion, 0);
40  (
41  solidBodyMotionFunction,
42  rotatingMotion,
43  dictionary
44  );
45 }
46 }
47 
48 
49 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
50 
51 Foam::solidBodyMotionFunctions::rotatingMotion::rotatingMotion
52 (
53  const dictionary& SBMFCoeffs,
54  const Time& runTime
55 )
56 :
57  solidBodyMotionFunction(SBMFCoeffs, runTime),
58  origin_(SBMFCoeffs_.lookup("origin")),
59  axis_(SBMFCoeffs_.lookup("axis")),
60  omega_(DataEntry<scalar>::New("omega", SBMFCoeffs_))
61 {}
62 
63 
64 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
65 
67 {}
68 
69 
70 // * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
71 
74 {
75  scalar t = time_.value();
76 
77  // Rotation around axis
78  scalar angle = omega_->integrate(0, t);
79 
80  quaternion R(axis_, angle);
81  septernion TR(septernion(origin_)*R*septernion(-origin_));
82 
83  Info<< "solidBodyMotionFunctions::rotatingMotion::transformation(): "
84  << "Time = " << t << " transformation: " << TR << endl;
85 
86  return TR;
87 }
88 
89 
91 (
92  const dictionary& SBMFCoeffs
93 )
94 {
96 
97  omega_.reset
98  (
99  DataEntry<scalar>::New("omega", SBMFCoeffs_).ptr()
100  );
101 
102  return true;
103 }
104 
105 // ************************************************************************* //
virtual bool read(const dictionary &SBMFCoeffs)=0
Update properties from given dictionary.
Base class for defining solid-body motions.
virtual bool read(const dictionary &SBMFCoeffs)
Update properties from given dictionary.
virtual septernion transformation() const
Return the solid-body motion transformation septernion.
#define R(A, B, C, D, E, F, K, M)
Quaternion class used to perform rotations in 3D space.
Definition: quaternion.H:60
messageStream Info
A list of keyword definitions, which are a keyword followed by any number of values (e...
Definition: dictionary.H:137
Namespace for OpenFOAM.
Septernion class used to perform translations and rotations in 3D space.
Definition: septernion.H:64
Class to control time during OpenFOAM simulations that is also the top-level objectRegistry.
Definition: Time.H:68
Ostream & endl(Ostream &os)
Add newline and flush stream.
Definition: Ostream.H:251
Macros for easy insertion into run-time selection tables.
mathematical constants.
Top level data entry class for use in dictionaries. Provides a mechanism to specify a variable as a c...
Definition: DataEntry.H:52
addToRunTimeSelectionTable(ensightPart, ensightPartCells, istream)
defineTypeNameAndDebug(combustionModel, 0)