sphericalAngularSpring.H
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23 
24 Class
25  Foam::sixDoFRigidBodyMotionRestraints::sphericalAngularSpring
26 
27 Description
28  sixDoFRigidBodyMotionRestraints model. Spherical angular spring.
29 
30 SourceFiles
31  sphericalAngularSpring.C
32 
33 \*---------------------------------------------------------------------------*/
34 
35 #ifndef sphericalAngularSpring_H
36 #define sphericalAngularSpring_H
37 
39 #include "point.H"
40 #include "tensor.H"
41 
42 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
43 
44 namespace Foam
45 {
46 
47 namespace sixDoFRigidBodyMotionRestraints
48 {
49 
50 /*---------------------------------------------------------------------------*\
51  Class sphericalAngularSpring Declaration
52 \*---------------------------------------------------------------------------*/
53 
55 :
57 {
58  // Private Data
59 
60  //- Reference orientation where there is no moment
61  tensor refQ_;
62 
63  //- Spring stiffness coefficient (Nm/rad)
64  scalar stiffness_;
65 
66  //- Damping coefficient (Nms/rad)
67  scalar damping_;
68 
69 
70 public:
71 
72  //- Runtime type information
73  TypeName("sphericalAngularSpring");
74 
75 
76  // Constructors
77 
78  //- Construct from components
80  (
81  const word& name,
82  const dictionary& sDoFRBMRDict
83  );
84 
85  //- Construct and return a clone
87  {
89  (
90  new sphericalAngularSpring(*this)
91  );
92  }
93 
94 
95  //- Destructor
96  virtual ~sphericalAngularSpring();
97 
98 
99  // Member Functions
100 
101  //- Calculate the restraint position, force and moment.
102  // Global reference frame vectors.
103  virtual void restrain
104  (
105  const sixDoFRigidBodyMotion& motion,
106  vector& restraintPosition,
107  vector& restraintForce,
108  vector& restraintMoment
109  ) const;
110 
111  //- Update properties from given dictionary
112  virtual bool read(const dictionary& sDoFRBMRCoeff);
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 // ************************************************************************* //
An Ostream is an abstract base class for all output systems (streams, files, token lists,...
Definition: Ostream.H:57
An auto-pointer similar to the STL auto_ptr but with automatic casting to a reference to the type and...
Definition: autoPtr.H:51
A list of keyword definitions, which are a keyword followed by any number of values (e....
Definition: dictionary.H:162
Base class for defining restraints for sixDoF motions.
const word & name() const
Return the name.
sixDoFRigidBodyMotionRestraints model. Spherical angular spring.
sphericalAngularSpring(const word &name, const dictionary &sDoFRBMRDict)
Construct from components.
virtual void restrain(const sixDoFRigidBodyMotion &motion, vector &restraintPosition, vector &restraintForce, vector &restraintMoment) const
Calculate the restraint position, force and moment.
virtual autoPtr< sixDoFRigidBodyMotionRestraint > clone() const
Construct and return a clone.
TypeName("sphericalAngularSpring")
Runtime type information.
virtual bool read(const dictionary &sDoFRBMRCoeff)
Update properties from given dictionary.
Six degree of freedom motion for a rigid body.
A class for handling words, derived from string.
Definition: word.H:62
Namespace for OpenFOAM.