Rs.C
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27 
28 #include "Rs.H"
29 #include "rigidBodyModel.H"
31 
32 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
33 
34 namespace Foam
35 {
36 namespace RBD
37 {
38 namespace joints
39 {
41 
43  (
44  joint,
45  Rs,
46  dictionary
47  );
48 }
49 }
50 }
51 
52 
53 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
54 
56 :
57  joint(3)
58 {
59  S_[0] = spatialVector(1, 0, 0, 0, 0, 0);
60  S_[1] = spatialVector (0, 1, 0, 0, 0, 0);
61  S_[2] = spatialVector(0, 0, 1, 0, 0, 0);
62 }
63 
64 
66 :
67  joint(3)
68 {
69  S_[0] = spatialVector(1, 0, 0, 0, 0, 0);
70  S_[1] = spatialVector (0, 1, 0, 0, 0, 0);
71  S_[2] = spatialVector(0, 0, 1, 0, 0, 0);
72 }
73 
74 
76 {
77  return autoPtr<joint>(new Rs(*this));
78 }
79 
80 
81 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
82 
84 {}
85 
86 
87 // * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
88 
90 {
91  return true;
92 }
93 
94 
96 (
97  joint::XSvc& J,
98  const scalarField& q,
99  const scalarField& qDot
100 ) const
101 {
102  J.X.E() = joint::unitQuaternion(q).R().T();
103  J.X.r() = Zero;
104 
105  J.S = Zero;
106  J.S.xx() = 1;
107  J.S.yy() = 1;
108  J.S.zz() = 1;
109 
110  J.v = spatialVector(qDot.block<vector>(qIndex_), Zero);
111  J.c = Zero;
112 }
113 
114 
115 // ************************************************************************* //
Foam::MatrixSpace::zz
const Cmpt & zz() const
Definition: MatrixSpaceI.H:257
Foam::MatrixSpace::xx
const Cmpt & xx() const
Definition: MatrixSpaceI.H:145
Foam::Zero
static constexpr const zero Zero
Global zero (0)
Definition: zero.H:131
Foam::RBD::joints::addToRunTimeSelectionTable
addToRunTimeSelectionTable(joint, composite, dictionary)
Rs.H
Foam::MatrixSpace::yy
const Cmpt & yy() const
Definition: MatrixSpaceI.H:201
Foam::RBD::joint::XSvc
Joint state returned by jcalc.
Definition: joint.H:124
rigidBodyModel.H
Foam::RBD::joints::Rs::jcalc
virtual void jcalc(joint::XSvc &J, const scalarField &q, const scalarField &qDot) const
Update the model state for this joint.
Definition: Rs.C:96
Foam::RBD::joint::XSvc::c
spatialVector c
The constrained joint acceleration correction.
Definition: joint.H:142
Foam::RBD::joints::Rs::unitQuaternion
virtual bool unitQuaternion() const
Return true as this joint describes rotation using a quaternion.
Definition: Rs.C:89
Foam::Field< scalar >
Foam::RBD::joints::Rs
Spherical joint for rotation about the x/y/z-axes using a quaternion (Euler parameters) to avoid gimb...
Definition: Rs.H:66
Foam::spatialTransform::r
const vector & r() const
Return the translation vector.
Definition: spatialTransformI.H:89
Foam::RBD::joint::XSvc::X
spatialTransform X
The joint transformation.
Definition: joint.H:129
Foam::RBD::joints::Rs::Rs
Rs()
Construct for given model.
Definition: Rs.C:55
Foam::spatialTransform::E
const tensor & E() const
Return the rotation tensor.
Definition: spatialTransformI.H:79
dict
dictionary dict
Definition: searchingEngine.H:14
Foam::dictionary
A list of keyword definitions, which are a keyword followed by a number of values (eg,...
Definition: dictionary.H:123
addToRunTimeSelectionTable.H
Macros for easy insertion into run-time selection tables.
Foam::RBD::joints::defineTypeNameAndDebug
defineTypeNameAndDebug(composite, 0)
Foam
Namespace for OpenFOAM.
Definition: atmBoundaryLayer.C:33
Foam::autoPtr
Pointer management similar to std::unique_ptr, with some additional methods and type checking.
Definition: HashPtrTable.H:53
Foam::RBD::joints::Rs::clone
virtual autoPtr< joint > clone() const
Clone this joint.
Definition: Rs.C:75
Foam::RBD::joints::Rs::~Rs
virtual ~Rs()
Destructor.
Definition: Rs.C:83
Foam::Vector< scalar >
Foam::Field::block
VSForm block(const label start) const
Definition: Field.C:587
Foam::RBD::joint::S_
List< spatialVector > S_
Joint motion sub-space.
Definition: joint.H:92
Foam::RBD::joint
Abstract base-class for all rigid-body joints.
Definition: joint.H:84
Foam::spatialVector
SpatialVector< scalar > spatialVector
SpatialVector of scalars.
Definition: spatialVector.H:50
Foam::RBD::joint::XSvc::S
compactSpatialTensor S
The joint motion sub-space (3-DoF)
Definition: joint.H:132
Foam::RBD::joint::XSvc::v
spatialVector v
The constrained joint velocity.
Definition: joint.H:138
Foam::RBD::joint::unitQuaternion
virtual bool unitQuaternion() const
Return true if this joint describes rotation using a quaternion.
Definition: jointI.H:45