#include <ContinuumMechanicsProblemDefinition.hpp>

Inheritance diagram for ContinuumMechanicsProblemDefinition< DIM >:

Collaboration diagram for ContinuumMechanicsProblemDefinition< DIM >:

Public Member Functions
	ContinuumMechanicsProblemDefinition (AbstractTetrahedralMesh< DIM, DIM > &rMesh)

virtual	~ContinuumMechanicsProblemDefinition ()

void	SetDensity (double density)

double	GetDensity ()

void	SetZeroDirichletNodes (std::vector< unsigned > &rZeroDirichletNodes)

std::vector< unsigned > &	rGetDirichletNodes ()

std::vector< c_vector< double, DIM > > &	rGetDirichletNodeValues ()

void	SetBodyForce (c_vector< double, DIM > bodyForce)

void	SetBodyForce (c_vector< double, DIM >(*pFunction)(c_vector< double, DIM > &rX, double t))

c_vector< double, DIM >	GetBodyForce (c_vector< double, DIM > &rX, double t=0.0)

BodyForceType	GetBodyForceType ()

c_vector< double, DIM >	GetConstantBodyForce ()

c_vector< double, DIM >	EvaluateBodyForceFunction (c_vector< double, DIM > &rX, double t)

TractionBoundaryConditionType	GetTractionBoundaryConditionType ()

void	SetTractionBoundaryConditions (std::vector< BoundaryElement< DIM-1, DIM > * > &rTractionBoundaryElements, std::vector< c_vector< double, DIM > > &rElementwiseTractions)

void	SetTractionBoundaryConditions (std::vector< BoundaryElement< DIM-1, DIM > * > &rTractionBoundaryElements, c_vector< double, DIM >(*pFunction)(c_vector< double, DIM > &rX, double t))

void	SetApplyNormalPressureOnDeformedSurface (std::vector< BoundaryElement< DIM-1, DIM > * > &rTractionBoundaryElements, double normalPressure)

void	SetApplyNormalPressureOnDeformedSurface (std::vector< BoundaryElement< DIM-1, DIM > * > &rTractionBoundaryElements, double(*pFunction)(double t))

std::vector< BoundaryElement < DIM-1, DIM > * > &	rGetTractionBoundaryElements ()

std::vector< c_vector< double, DIM > > &	rGetElementwiseTractions ()

double	GetNormalPressure ()

void	SetPressureScaling (double scaleFactor)

c_vector< double, DIM >	EvaluateTractionFunction (c_vector< double, DIM > &rX, double t)

double	EvaluateNormalPressureFunction (double t)

virtual void	Validate ()

void	SetVerboseDuringSolve (bool verboseDuringSolve=true)

bool	GetVerboseDuringSolve ()

Static Public Attributes
static const double	FREE = std::numeric_limits<double>::max()

Protected Attributes
AbstractTetrahedralMesh< DIM, DIM > &	mrMesh

double	mDensity

BodyForceType	mBodyForceType

c_vector< double, DIM >	mConstantBodyForce

c_vector< double, DIM >(*	mpBodyForceFunction )(c_vector< double, DIM > &rX, double t)

TractionBoundaryConditionType	mTractionBoundaryConditionType

std::vector< BoundaryElement < DIM-1, DIM > * >	mTractionBoundaryElements

std::vector< c_vector< double, DIM > >	mElementwiseTractions

double	mNormalPressure

double	mOriginalNormalPressure

c_vector< double, DIM >(*	mpTractionBoundaryConditionFunction )(c_vector< double, DIM > &rX, double t)

double(*	mpNormalPressureFunction )(double t)

std::vector< unsigned >	mDirichletNodes

std::vector< c_vector< double, DIM > >	mDirichletNodeValues

bool	mVerboseDuringSolve

Detailed Description

template<unsigned DIM>
class ContinuumMechanicsProblemDefinition< DIM >

A class for specifying various parts of a continuum mechanics problem, Dirichlet node information (which nodes are in space in a solid problem, which nodes have fixed flow in a fluids problem), the body force (per unit mass) (usually acceleration due to gravity or zero), the traction boundary conditions, and the density.

Definition at line 74 of file ContinuumMechanicsProblemDefinition.hpp.

Constructor & Destructor Documentation

template<unsigned DIM>

ContinuumMechanicsProblemDefinition< DIM >::ContinuumMechanicsProblemDefinition ( AbstractTetrahedralMesh< DIM, DIM > & rMesh )

Constructor initialises the body force to zero and density to 1.0

Parameters

rMesh is the mesh being solved on

Definition at line 47 of file ContinuumMechanicsProblemDefinition.cpp.

template<unsigned DIM>

virtual ContinuumMechanicsProblemDefinition< DIM >::~ContinuumMechanicsProblemDefinition ( )

inlinevirtual

Destructor

Definition at line 153 of file ContinuumMechanicsProblemDefinition.hpp.

Member Function Documentation

template<unsigned DIM>

c_vector< double, DIM > ContinuumMechanicsProblemDefinition< DIM >::EvaluateBodyForceFunction	(	c_vector< double, DIM > &	rX,
		double	t
	)

Returns: the body force function (error if GetBodyForceType()!=FUNCTIONAL_BODY_FORCE)

Parameters

rX	spatial location
t	current time

Definition at line 98 of file ContinuumMechanicsProblemDefinition.cpp.

template<unsigned DIM>

double ContinuumMechanicsProblemDefinition< DIM >::EvaluateNormalPressureFunction ( double t )

Returns: the pressure boundary condition function (error if GetTractionBoundaryConditionType()!=FUNCTIONAL_PRESSURE_ON_DEFORMED)

Parameters

t	current time

Definition at line 225 of file ContinuumMechanicsProblemDefinition.cpp.

template<unsigned DIM>

c_vector< double, DIM > ContinuumMechanicsProblemDefinition< DIM >::EvaluateTractionFunction	(	c_vector< double, DIM > &	rX,
		double	t
	)

Returns: the traction boundary condition function (error if GetTractionBoundaryConditionType()!=FUNCTIONAL_TRACTION)

Parameters

rX	spatial location
t	current time

Definition at line 218 of file ContinuumMechanicsProblemDefinition.cpp.

template<unsigned DIM>

c_vector< double, DIM > ContinuumMechanicsProblemDefinition< DIM >::GetBodyForce	(	c_vector< double, DIM > &	rX,
		double	t = `0.0`
	)

Returns: the body force at a particular point and time. Note: The user can either call this, or check what type of body force has been set using GetBodyForceType() and then call GetConstantBodyForce() or EvaluateBodyForceFunction(X,t).

Parameters

rX	spatial location
t	current time

Definition at line 105 of file ContinuumMechanicsProblemDefinition.cpp.

References NEVER_REACHED.

template<unsigned DIM>

BodyForceType ContinuumMechanicsProblemDefinition< DIM >::GetBodyForceType ( )

Returns: the body force type

Definition at line 85 of file ContinuumMechanicsProblemDefinition.cpp.

template<unsigned DIM>

c_vector< double, DIM > ContinuumMechanicsProblemDefinition< DIM >::GetConstantBodyForce ( )

Returns: the constant body force (error if GetBodyForceType()!=CONSTANT_BODY_FORCE)

Definition at line 91 of file ContinuumMechanicsProblemDefinition.cpp.

template<unsigned DIM>

double ContinuumMechanicsProblemDefinition< DIM >::GetDensity ( )

Returns: the density

Definition at line 65 of file ContinuumMechanicsProblemDefinition.cpp.

template<unsigned DIM>

double ContinuumMechanicsProblemDefinition< DIM >::GetNormalPressure ( )

Returns: the pressure for the boundary elements (corresponding to vector returned by rGetTractionBoundaryElements()) (error if GetTractionBoundaryConditionType()!=PRESSURE_ON_DEFORMED)

Definition at line 211 of file ContinuumMechanicsProblemDefinition.cpp.

template<unsigned DIM>

TractionBoundaryConditionType ContinuumMechanicsProblemDefinition< DIM >::GetTractionBoundaryConditionType ( )

Returns: the traction (Neumann) boundary condition type

Definition at line 123 of file ContinuumMechanicsProblemDefinition.cpp.

template<unsigned DIM>

bool ContinuumMechanicsProblemDefinition< DIM >::GetVerboseDuringSolve ( )

inline

Returns: whether the solver should be verbose or not

Definition at line 340 of file ContinuumMechanicsProblemDefinition.hpp.

References ContinuumMechanicsProblemDefinition< DIM >::mVerboseDuringSolve.

template<unsigned DIM>

std::vector< unsigned > & ContinuumMechanicsProblemDefinition< DIM >::rGetDirichletNodes ( )

Returns: the Dirichlet nodes

Definition at line 186 of file ContinuumMechanicsProblemDefinition.cpp.

template<unsigned DIM>

std::vector< c_vector< double, DIM > > & ContinuumMechanicsProblemDefinition< DIM >::rGetDirichletNodeValues ( )

Returns: the Dirichlet node values.

Definition at line 192 of file ContinuumMechanicsProblemDefinition.cpp.

template<unsigned DIM>

std::vector< c_vector< double, DIM > > & ContinuumMechanicsProblemDefinition< DIM >::rGetElementwiseTractions ( )

Returns: the element-wise tractions vector (corresponding to vector returned by rGetTractionBoundaryElements()) (error if GetTractionBoundaryConditionType()!=ELEMENTWISE_TRACTION)

Definition at line 204 of file ContinuumMechanicsProblemDefinition.cpp.

template<unsigned DIM>

std::vector< BoundaryElement< DIM-1, DIM > * > & ContinuumMechanicsProblemDefinition< DIM >::rGetTractionBoundaryElements ( )

Returns: the vector of traction boundary elements

Definition at line 198 of file ContinuumMechanicsProblemDefinition.cpp.

template<unsigned DIM>

void ContinuumMechanicsProblemDefinition< DIM >::SetApplyNormalPressureOnDeformedSurface	(	std::vector< BoundaryElement< DIM-1, DIM > * > &	rTractionBoundaryElements,
		double	normalPressure
	)

Set traction (Neumann) boundary conditions. This version says that pressures should be applied on surfaces in the DEFORMED body in the outward normal direction.

Parameters

rTractionBoundaryElements	The boundary elements
normalPressure	the corresponding pressure

Definition at line 149 of file ContinuumMechanicsProblemDefinition.cpp.

template<unsigned DIM>

void ContinuumMechanicsProblemDefinition< DIM >::SetApplyNormalPressureOnDeformedSurface	(	std::vector< BoundaryElement< DIM-1, DIM > * > &	rTractionBoundaryElements,
		double(*)(double t)	pFunction
	)

Set traction (Neumann) boundary conditions. This version says that pressures should be applied on surfaces in the DEFORMED body in the outward normal direction, and here the pressure is specified in FUNCTIONAL FORM

Parameters

rTractionBoundaryElements	The boundary elements
pFunction	the pressure function (a function of time, returning a double)

Definition at line 160 of file ContinuumMechanicsProblemDefinition.cpp.

template<unsigned DIM>

void ContinuumMechanicsProblemDefinition< DIM >::SetBodyForce ( c_vector< double, DIM > bodyForce )

Set the body force to be used - this version sets a constant body force

Parameters

bodyForce the constant body force

Definition at line 71 of file ContinuumMechanicsProblemDefinition.cpp.

template<unsigned DIM>

void ContinuumMechanicsProblemDefinition< DIM >::SetBodyForce ( c_vector< double, DIM >(*)(c_vector< double, DIM > &rX, double t) pFunction )

Set the body force to be used - this version sets a functional body force

Parameters

pFunction a function of space and time returning a vector

Definition at line 78 of file ContinuumMechanicsProblemDefinition.cpp.

template<unsigned DIM>

void ContinuumMechanicsProblemDefinition< DIM >::SetDensity ( double density )

Set the density

Parameters

density

Definition at line 58 of file ContinuumMechanicsProblemDefinition.cpp.

template<unsigned DIM>

void ContinuumMechanicsProblemDefinition< DIM >::SetPressureScaling ( double scaleFactor )

Set the value that will be returned by GetNormalPressure() to be a fraction of its full value.

Note: you don't have to take into account previous calls when calling this. SetPressureScaling(0.1); SetPressureScaling(1); will lead to the original pressure being used

(Error if GetTractionBoundaryConditionType()!=PRESSURE_ON_DEFORMED)

Parameters

scaleFactor scale factor

Definition at line 232 of file ContinuumMechanicsProblemDefinition.cpp.

template<unsigned DIM>

void ContinuumMechanicsProblemDefinition< DIM >::SetTractionBoundaryConditions	(	std::vector< BoundaryElement< DIM-1, DIM > * > &	rTractionBoundaryElements,
		std::vector< c_vector< double, DIM > > &	rElementwiseTractions
	)

Set traction (Neumann) boundary conditions. This version takes in a vector of boundary elements, and corresponding tractions for each one.

Parameters

rTractionBoundaryElements	the boundary elements
rElementwiseTractions	corresponding tractions

Definition at line 129 of file ContinuumMechanicsProblemDefinition.cpp.

template<unsigned DIM>

void ContinuumMechanicsProblemDefinition< DIM >::SetTractionBoundaryConditions	(	std::vector< BoundaryElement< DIM-1, DIM > * > &	rTractionBoundaryElements,
		c_vector< double, DIM >(*)(c_vector< double, DIM > &rX, double t)	pFunction
	)

Set traction (Neumann) boundary conditions. This version takes in a vector of boundary elements, and a function to be evaluated at points in these boundary elements

Parameters

rTractionBoundaryElements	the boundary elements
pFunction	the traction function (a function of space and time, returning a vector)

Definition at line 140 of file ContinuumMechanicsProblemDefinition.cpp.

template<unsigned DIM>

void ContinuumMechanicsProblemDefinition< DIM >::SetVerboseDuringSolve ( bool verboseDuringSolve = true )

inline

Tell the solver to be verbose (print details on how the solve is progressing), or not.

Parameters

verboseDuringSolve be verbose or not.

Definition at line 332 of file ContinuumMechanicsProblemDefinition.hpp.

References ContinuumMechanicsProblemDefinition< DIM >::mVerboseDuringSolve.

template<unsigned DIM>

void ContinuumMechanicsProblemDefinition< DIM >::SetZeroDirichletNodes ( std::vector< unsigned > & rZeroDirichletNodes )

Set a list of nodes (indices) to be given zero Dirichlet boundary condition

Parameters

rZeroDirichletNodes the nodes at which the value (displacement/flow) is zero

Definition at line 169 of file ContinuumMechanicsProblemDefinition.cpp.

Referenced by SolidMechanicsProblemDefinition< DIM >::SetZeroDisplacementNodes(), and StokesFlowProblemDefinition< DIM >::SetZeroFlowNodes().

template<unsigned DIM>

void ContinuumMechanicsProblemDefinition< DIM >::Validate ( )

virtual

Check all variables are set appropriately. Exceptions are thrown if any are not. Derived classes can override but should call this version as well.

Reimplemented in ElectroMechanicsProblemDefinition< DIM >, SolidMechanicsProblemDefinition< DIM >, and StokesFlowProblemDefinition< DIM >.

Definition at line 239 of file ContinuumMechanicsProblemDefinition.cpp.

References EXCEPTION.

Referenced by StokesFlowProblemDefinition< DIM >::Validate(), and SolidMechanicsProblemDefinition< DIM >::Validate().

Member Data Documentation

template<unsigned DIM>

const double ContinuumMechanicsProblemDefinition< DIM >::FREE = std::numeric_limits<double>::max()

static

Special value for Dirichlet nodes, indicating that a Dirichlet boundary condition in a particular dimension is not specified

Definition at line 79 of file ContinuumMechanicsProblemDefinition.hpp.

template<unsigned DIM>

BodyForceType ContinuumMechanicsProblemDefinition< DIM >::mBodyForceType

protected

The body force type

Definition at line 93 of file ContinuumMechanicsProblemDefinition.hpp.

template<unsigned DIM>

c_vector<double,DIM> ContinuumMechanicsProblemDefinition< DIM >::mConstantBodyForce

protected

The constant body force, only used if mBodyForceType is set appropriately

Definition at line 96 of file ContinuumMechanicsProblemDefinition.hpp.

template<unsigned DIM>

double ContinuumMechanicsProblemDefinition< DIM >::mDensity

protected

Density of the body (constant throughout body)

Definition at line 86 of file ContinuumMechanicsProblemDefinition.hpp.

template<unsigned DIM>

std::vector<unsigned> ContinuumMechanicsProblemDefinition< DIM >::mDirichletNodes

protected

All nodes (including non-vertices) which have a dirichlet boundary condition (ie position prescribed in solid mechanics problems, flow prescribed in fluids problems).

Definition at line 137 of file ContinuumMechanicsProblemDefinition.hpp.

Referenced by StokesFlowProblemDefinition< DIM >::SetPrescribedFlowNodes().

template<unsigned DIM>

std::vector<c_vector<double,DIM> > ContinuumMechanicsProblemDefinition< DIM >::mDirichletNodeValues

protected

The values at the nodes with Dirichlet boundary conditions (displacement

Definition at line 140 of file ContinuumMechanicsProblemDefinition.hpp.

Referenced by StokesFlowProblemDefinition< DIM >::SetPrescribedFlowNodes().

template<unsigned DIM>

std::vector<c_vector<double,DIM> > ContinuumMechanicsProblemDefinition< DIM >::mElementwiseTractions

protected

The tractions on each surface element (only used if mTractionBoundaryConditionType is set appropriately)

Definition at line 112 of file ContinuumMechanicsProblemDefinition.hpp.

template<unsigned DIM>

double ContinuumMechanicsProblemDefinition< DIM >::mNormalPressure

protected

If the tractions are specified to correspond to a pressure acting on the surface: the pressure for the given boundary elements (only used if mTractionBoundaryConditionType is set appropriately)

Definition at line 116 of file ContinuumMechanicsProblemDefinition.hpp.

template<unsigned DIM>

double ContinuumMechanicsProblemDefinition< DIM >::mOriginalNormalPressure

protected

If the user asks this class to increment the pressure, the variable mNormalPressure will be altered depending on which increment it is. Here we store the original (full) pressure.

Definition at line 121 of file ContinuumMechanicsProblemDefinition.hpp.

template<unsigned DIM>

c_vector<double,DIM>(* ContinuumMechanicsProblemDefinition< DIM >::mpBodyForceFunction)(c_vector< double, DIM > &rX, double t)

protected

The body force as a function of space and time, only used if mBodyForceType is set appropriately

Definition at line 99 of file ContinuumMechanicsProblemDefinition.hpp.

template<unsigned DIM>

double(* ContinuumMechanicsProblemDefinition< DIM >::mpNormalPressureFunction)(double t)

protected

The normal pressure as a function if time (only used if mTractionBoundaryConditionType is set appropriately)

Definition at line 127 of file ContinuumMechanicsProblemDefinition.hpp.

template<unsigned DIM>

c_vector<double,DIM>(* ContinuumMechanicsProblemDefinition< DIM >::mpTractionBoundaryConditionFunction)(c_vector< double, DIM > &rX, double t)

protected

The tractions as a function of space and time (only used if mTractionBoundaryConditionType is set appropriately)

Definition at line 124 of file ContinuumMechanicsProblemDefinition.hpp.

template<unsigned DIM>

AbstractTetrahedralMesh<DIM,DIM>& ContinuumMechanicsProblemDefinition< DIM >::mrMesh

protected

The mesh being solved on

Definition at line 83 of file ContinuumMechanicsProblemDefinition.hpp.

template<unsigned DIM>

TractionBoundaryConditionType ContinuumMechanicsProblemDefinition< DIM >::mTractionBoundaryConditionType

protected

The traction (Neumann) boundary condition type

Definition at line 106 of file ContinuumMechanicsProblemDefinition.hpp.

template<unsigned DIM>

std::vector<BoundaryElement<DIM-1,DIM>*> ContinuumMechanicsProblemDefinition< DIM >::mTractionBoundaryElements

protected

The surface elements on which tractions are applied

Definition at line 109 of file ContinuumMechanicsProblemDefinition.hpp.

template<unsigned DIM>

bool ContinuumMechanicsProblemDefinition< DIM >::mVerboseDuringSolve

protected

Whether the solver will be verbose or not. See dox for Set method below

Definition at line 143 of file ContinuumMechanicsProblemDefinition.hpp.

Referenced by ContinuumMechanicsProblemDefinition< DIM >::GetVerboseDuringSolve(), and ContinuumMechanicsProblemDefinition< DIM >::SetVerboseDuringSolve().

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

continuum_mechanics/src/problem/ContinuumMechanicsProblemDefinition.hpp
continuum_mechanics/src/problem/ContinuumMechanicsProblemDefinition.cpp

Public Member Functions

Static Public Attributes

Protected Attributes

Detailed Description

template<unsigned DIM> class ContinuumMechanicsProblemDefinition< DIM >

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation

template<unsigned DIM>
class ContinuumMechanicsProblemDefinition< DIM >