sixDoFRigidBodyMotionState.C
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28 
30 
31 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
32 
34 :
35  centreOfRotation_(Zero),
36  Q_(I),
37  v_(Zero),
38  a_(Zero),
39  pi_(Zero),
40  tau_(Zero)
41 {}
42 
43 
45 (
46  const dictionary& dict
47 )
48 :
49  centreOfRotation_
50  (
51  dict.getOrDefault
52  (
53  "centreOfRotation",
54  dict.getOrDefault("centreOfMass", vector::zero)
55  )
56  ),
57  Q_(dict.getOrDefault("orientation", tensor::I)),
58  v_(dict.getOrDefault("velocity", vector::zero)),
59  a_(dict.getOrDefault("acceleration", vector::zero)),
60  pi_(dict.getOrDefault("angularMomentum", vector::zero)),
61  tau_(dict.getOrDefault("torque", vector::zero))
62 {}
63 
64 
65 // ************************************************************************* //
Foam::Tensor
A templated (3 x 3) tensor of objects of <T> derived from MatrixSpace.
Definition: complexI.H:268
Foam::Zero
static constexpr const zero Zero
Definition: zero.H:131
Foam::Tensor::I
static const Tensor I
Definition: Tensor.H:81
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:119
Foam::Vector< scalar >
Foam::VectorSpace< Vector< scalar >, scalar, 3 >::zero
static const Form zero
Definition: VectorSpace.H:111
Foam::dictionary::getOrDefault
T getOrDefault(const word &keyword, const T &deflt, enum keyType::option matchOpt=keyType::REGEX) const
Definition: dictionaryTemplates.C:141
Foam::sixDoFRigidBodyMotionState::sixDoFRigidBodyMotionState
sixDoFRigidBodyMotionState()
Definition: sixDoFRigidBodyMotionState.C:26
sixDoFRigidBodyMotionState.H
Foam::I
static const Identity< scalar > I
Definition: Identity.H:89
Foam::zero
A class representing the concept of 0 (zero) that can be used to avoid manipulating objects known to ...
Definition: zero.H:58