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rigidBodyInertia Class Reference

#include <rigidBodyInertia.H>

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Public Member Functions

 rigidBodyInertia ()
 Null constructor, initializes to zero.
 rigidBodyInertia (const scalar m, const vector &c, const symmTensor &Ic)
 Construct from mass, centre of mass and moment of inertia tensor.
 rigidBodyInertia (const dictionary &dict)
 Construct from dictionary.
 rigidBodyInertia (const spatialTensor &st)
 Construct from the components of a spatial tensor.
 rigidBodyInertia (Istream &is)
 Construct from Istream.
scalar m () const
 Return the mass of the rigid-body.
const vector & c () const
 Return the centre of mass of the rigid-body.
const symmTensor & Ic () const
 Return the inertia tensor of the rigid-body about the centre of mass.
symmTensor Ioc () const
 Return the difference between the inertia tensor of the rigid-body.
symmTensor Icc (const vector &c) const
 Return the difference between the inertia tensor of the rigid-body.
symmTensor Io () const
 Return the inertia tensor of the rigid-body about the origin.
scalar kineticEnergy (const spatialVector &v)
 Return the kinetic energy of the body with the given velocity.
 operator spatialTensor () const
 Conversion to spatial tensor.
void operator+= (const rigidBodyInertia &)

Static Public Member Functions

static symmTensor Ioc (const scalar m, const vector &c)
 Return the difference between the inertia tensor of the rigid-body.

Friends

Istream & operator>> (Istream &, rigidBodyInertia &)
Ostream & operator<< (Ostream &, const rigidBodyInertia &)

Detailed Description

Definition at line 68 of file rigidBodyInertia.H.

Constructor & Destructor Documentation

◆ rigidBodyInertia() [1/5]

rigidBodyInertia ( )
inline

Null constructor, initializes to zero.

Definition at line 40 of file rigidBodyInertiaI.H.

References Foam::Zero.

Referenced by cuboid::cuboid(), rigidBody::declareRunTimeSelectionTable(), operator+=(), operator<<, operator>>, rigidBody::rigidBody(), rigidBody::rigidBody(), rigidBody::rigidBody(), and sphere::sphere().

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◆ rigidBodyInertia() [2/5]

rigidBodyInertia ( const scalar m,
const vector & c,
const symmTensor & Ic )
inline

Construct from mass, centre of mass and moment of inertia tensor.

about the centre of mass

Definition at line 48 of file rigidBodyInertiaI.H.

References c(), Ic(), and m().

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◆ rigidBodyInertia() [3/5]

rigidBodyInertia ( const dictionary & dict)
inline

Construct from dictionary.

Definition at line 61 of file rigidBodyInertiaI.H.

References dict.

◆ rigidBodyInertia() [4/5]

rigidBodyInertia ( const spatialTensor & st)
inlineexplicit

Construct from the components of a spatial tensor.

Definition at line 69 of file rigidBodyInertiaI.H.

References Ioc(), and Foam::symm().

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◆ rigidBodyInertia() [5/5]

rigidBodyInertia ( Istream & is)
inlineexplicit

Construct from Istream.

Definition at line 77 of file rigidBodyInertiaI.H.

Member Function Documentation

◆ Ioc() [1/2]

Foam::symmTensor Ioc ( const scalar m,
const vector & c )
inlinestatic

Return the difference between the inertia tensor of the rigid-body.

about the origin - about the centre of mass for the given mass and centre of mass

Definition at line 28 of file rigidBodyInertiaI.H.

References c(), Foam::I, m(), Foam::magSqr(), and Foam::sqr().

Referenced by Icc(), Io(), Ioc(), and rigidBodyInertia().

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◆ m()

Foam::scalar m ( ) const
inline

Return the mass of the rigid-body.

Definition at line 87 of file rigidBodyInertiaI.H.

Referenced by cuboid::cuboid(), cuboid::cuboid(), rigidBody::declareRunTimeSelectionTable(), Ioc(), rigidBody::New(), rigidBody::rigidBody(), rigidBodyInertia(), sphere::sphere(), sphere::sphere(), cuboid::TypeName(), sphere::TypeName(), cuboid::write(), rigidBody::write(), and sphere::write().

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◆ c()

const Foam::vector & c ( ) const
inline

Return the centre of mass of the rigid-body.

Definition at line 92 of file rigidBodyInertiaI.H.

Referenced by cuboid::cuboid(), cuboid::cuboid(), rigidBody::declareRunTimeSelectionTable(), Icc(), Ioc(), rigidBody::New(), rigidBody::rigidBody(), rigidBodyInertia(), sphere::sphere(), sphere::sphere(), cuboid::TypeName(), sphere::TypeName(), and rigidBody::write().

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◆ Ic()

const Foam::symmTensor & Ic ( ) const
inline

Return the inertia tensor of the rigid-body about the centre of mass.

Definition at line 97 of file rigidBodyInertiaI.H.

Referenced by rigidBody::declareRunTimeSelectionTable(), rigidBody::New(), rigidBody::rigidBody(), rigidBodyInertia(), and rigidBody::write().

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◆ Ioc() [2/2]

Foam::symmTensor Ioc ( ) const
inline

Return the difference between the inertia tensor of the rigid-body.

about the origin - about the centre of mass

Definition at line 102 of file rigidBodyInertiaI.H.

References Ioc().

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◆ Icc()

Foam::symmTensor Icc ( const vector & c) const
inline

Return the difference between the inertia tensor of the rigid-body.

about the a new centre of mass - about the current centre of mass

Definition at line 107 of file rigidBodyInertiaI.H.

References c(), and Ioc().

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◆ Io()

Foam::symmTensor Io ( ) const
inline

Return the inertia tensor of the rigid-body about the origin.

Definition at line 112 of file rigidBodyInertiaI.H.

References Ioc().

Referenced by operator spatialTensor().

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◆ kineticEnergy()

Foam::scalar kineticEnergy ( const spatialVector & v)
inline

Return the kinetic energy of the body with the given velocity.

Definition at line 234 of file rigidBodyInertiaI.H.

◆ operator spatialTensor()

operator spatialTensor ( ) const
inline

Conversion to spatial tensor.

Definition at line 120 of file rigidBodyInertiaI.H.

References Foam::I, and Io().

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◆ operator+=()

void operator+= ( const rigidBodyInertia & rbi)
inline

Definition at line 245 of file rigidBodyInertiaI.H.

References rigidBodyInertia().

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◆ operator>>

Istream & operator>> ( Istream & ,
rigidBodyInertia &  )
friend

References rigidBodyInertia().

◆ operator<<

Ostream & operator<< ( Ostream & ,
const rigidBodyInertia &  )
friend

References rigidBodyInertia().

The documentation for this class was generated from the following files: