basso::StructuralFormulation Class Reference

Virtual base class for various structural formulationss. More...

#include <StructuralFormulation.h>

Inheritance diagram for basso::StructuralFormulation:


Public Member Functions
	StructuralFormulation (list< Element > &elem, const Array< Node > &nodes, StressStateType ss=kSTRESS_3D)
virtual	~StructuralFormulation ()
virtual int	NumLocalDofs () const
virtual void	NodalAvgStress (const nArray &d, Array< nArray > &stress, Array< nArray > &strain)
Protected Member Functions
virtual void	GetElementStiffnessMatrix (nMatrix &ke, list< Element >::const_iterator eItr)
virtual Numeric	SetBMatrix (list< Element >::const_iterator eItr, const Point &pt)
virtual bool	SetElementParameters (list< Element >::const_iterator eItr, int qorder=2)
Protected Attributes
const Material *	fMat
StressState *	fStressState
nMatrix	mBmat
nMatrix	mCmat
int	mVdim
int	mEdim

Detailed Description

Virtual base class for various structural formulationss.

Definition at line 32 of file StructuralFormulation.h.

Constructor & Destructor Documentation

basso::StructuralFormulation::StructuralFormulation	(	list< Element > &	elem,
		const Array< Node > &	nodes,
		StressStateType	ss = `kSTRESS_3D`
	)			`[inline]`

void constructor

Definition at line 40 of file StructuralFormulation.h.

References fStressState, basso::kAXISYMMETRIC, basso::kPLANE_STRAIN, basso::kPLANE_STRESS, basso::kSTRESS_1D, mVdim, and basso::StressState::VoigtDimension().

Member Function Documentation

virtual int basso::StructuralFormulation::NumLocalDofs ( ) const [inline, virtual]

returns the number of active local dofs per node

Implements basso::Formulation.

Definition at line 77 of file StructuralFormulation.h.

References basso::Formulation::mSdim.

Referenced by GetElementStiffnessMatrix(), and NodalAvgStress().

void basso::StructuralFormulation::NodalAvgStress	(	const nArray &	d,
		Array< nArray > &	stress,
		Array< nArray > &	strain
	)			`[virtual]`

Computes the nodal averaged stresses and strains from a nodal displacement solution

Parameters:

	d	nodal solution
	stress	returns nodal averaged stresses
	strain	returns nodal averaged strains

Definition at line 120 of file StructuralFormulation.h.

References basso::Formulation::ActiveDofs(), basso::Formulation::fDofMap, basso::Formulation::fElement, basso::DofMap::Gather(), iArray, mBmat, mCmat, basso::Formulation::mNne, mVdim, nArray, NumLocalDofs(), SetBMatrix(), and SetElementParameters().

void basso::StructuralFormulation::GetElementStiffnessMatrix	(	nMatrix &	ke,
		list< Element >::const_iterator	eItr
	)			`[protected, virtual]`

computes the element stiffness matrix

Reimplemented from basso::Formulation.

Reimplemented in basso::ElasticTruss2D, and basso::ElasticTruss3D.

Definition at line 198 of file StructuralFormulation.h.

References basso::femmult_add(), mCmat, Numeric, NumLocalDofs(), basso::Formulation::QuadratureBegin(), basso::Formulation::QuadratureEnd(), SetBMatrix(), and SetElementParameters().

virtual Numeric basso::StructuralFormulation::SetBMatrix	(	list< Element >::const_iterator	eItr,
		const Point &	pt
	)			`[inline, protected, virtual]`

Sets the B matrix for the element

Parameters:

	eItr	iterator to the element
	pt	coordinate in the parent element space at which the gradient is taken. Returns the determinate of the element Jacobian

Definition at line 99 of file StructuralFormulation.h.

References basso::form_bmatrix(), Numeric, and basso::Formulation::SetDNx().

Referenced by GetElementStiffnessMatrix(), and NodalAvgStress().

bool basso::StructuralFormulation::SetElementParameters	(	list< Element >::const_iterator	eItr,
		int	qorder = `2`
	)			`[protected, virtual]`

initialize element parameters and resize element vectors and matrices returns true if the parameters were changed else it returns false if they are the same as previous elements

Parameters: