FreeFOAM The Cross-Platform CFD Toolkit
fixedPoint.H
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23 
24 Class
25  Foam::sixDoFRigidBodyMotionConstraints::fixedPoint
26 
27 Description
28  sixDoFRigidBodyMotionConstraint. Point fixed in space.
29 
30 SourceFiles
31  fixedPoint.C
32 
33 \*---------------------------------------------------------------------------*/
34 
35 #ifndef fixedPoint_H
36 #define fixedPoint_H
37 
39 #include <OpenFOAM/point.H>
40 
41 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
42 
43 namespace Foam
44 {
45 
46 namespace sixDoFRigidBodyMotionConstraints
47 {
48 
49 /*---------------------------------------------------------------------------*\
50  Class fixedPoint Declaration
51 \*---------------------------------------------------------------------------*/
52 
54 :
56 {
57  // Private data
58 
59  //- Point which is rigidly attached to the body and constrains
60  // it so that this point remains fixed. This serves as the
61  // reference point for displacements as well as the target
62  // position.
63  point fixedPoint_;
64 
65 
66 public:
67 
68  //- Runtime type information
69  TypeName("fixedPoint");
70 
71 
72  // Constructors
73 
74  //- Construct from components
76  (
77  const dictionary& sDoFRBMCDict
78  );
79 
80  //- Construct and return a clone
82  {
84  (
85  new fixedPoint(*this)
86  );
87  }
88 
89 
90  // Destructor
91 
92  virtual ~fixedPoint();
93 
94 
95  // Member Functions
96 
97  //- Calculate the constraint position, force and moment.
98  // Global reference frame vectors. Returns boolean stating
99  // whether the constraint been converged to tolerance.
100  virtual bool constrain
101  (
102  const sixDoFRigidBodyMotion& motion,
103  const vector& existingConstraintForce,
104  const vector& existingConstraintMoment,
105  scalar deltaT,
106  vector& constraintPosition,
107  vector& constraintForceIncrement,
108  vector& constraintMomentIncrement
109  ) const;
110 
111  //- Update properties from given dictionary
112  virtual bool read(const dictionary& sDoFRBMCCoeff);
113 
114  //- Write
115  virtual void write(Ostream&) const;
116 };
117 
118 
119 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
120 
121 } // End namespace solidBodyMotionFunctions
122 } // End namespace Foam
123 
124 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
125 
126 #endif
127 
128 // ************************ vim: set sw=4 sts=4 et: ************************ //