linearMotion.C
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1 /*---------------------------------------------------------------------------*\
2  ========= |
3  \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
4  \\ / O peration |
5  \\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
6  \\/ M anipulation |
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8 License
9  This file is part of OpenFOAM.
10 
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24 \*---------------------------------------------------------------------------*/
25 
26 #include "linearMotion.H"
28 
29 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
30 
31 namespace Foam
32 {
33 namespace solidBodyMotionFunctions
34 {
35  defineTypeNameAndDebug(linearMotion, 0);
37  (
38  solidBodyMotionFunction,
39  linearMotion,
40  dictionary
41  );
42 }
43 }
44 
45 
46 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
47 
48 Foam::solidBodyMotionFunctions::linearMotion::linearMotion
49 (
50  const dictionary& SBMFCoeffs,
51  const Time& runTime
52 )
53 :
54  solidBodyMotionFunction(SBMFCoeffs, runTime)
55 {
56  read(SBMFCoeffs);
57 }
58 
59 
60 // * * * * * * * * * * * * * * * * Destructors * * * * * * * * * * * * * * * //
61 
63 {}
64 
65 
66 // * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
67 
68 Foam::septernion
70 {
71  scalar t = time_.value();
72 
73  // Translation of centre of gravity with constant velocity
74  const vector displacement = velocity_*t;
75 
76  quaternion R(0, 0, 0);
77  septernion TR(septernion(displacement)*R);
78 
79  Info<< "solidBodyMotionFunctions::linearMotion::transformation(): "
80  << "Time = " << t << " transformation: " << TR << endl;
81 
82  return TR;
83 }
84 
85 
86 bool Foam::solidBodyMotionFunctions::linearMotion::read
87 (
88  const dictionary& SBMFCoeffs
89 )
90 {
91  solidBodyMotionFunction::read(SBMFCoeffs);
92 
93  SBMFCoeffs_.lookup("velocity") >> velocity_;
94 
95  return true;
96 }
97 
98 // ************************************************************************* //