NuTo::Constraint Namespace Reference

Classes
class	Constraints
	stores constraint equations, separated by their dof type More...
class	Equation
	stores a constraint equation More...
struct	JKNumbering
	represents a numbering where first the independent dofs are consecutively numbered leaving out the dependent ones and then the dependent dof numbers are appended. More...
class	Term
	stores constraint equation terms More...

Typedefs
typedef std::function< double(double)>	RhsFunction

Functions
RhsFunction	RhsRamp (double timeEnd, double valueEnd)
	linear function More...
std::vector< Equation >	Component (const NodeSimple &node, std::vector< eDirection > directions, double value=0.0)
	constraints components of vector valued nodes in X and/or Y and/or Z More...
std::vector< Equation >	Component (const NodeSimple &node, std::vector< eDirection > directions, RhsFunction rhs)
	constraints components of vector valued nodes in X and/or Y and/or Z More...
std::vector< Equation >	Component (const Group< NodeSimple > &nodes, std::vector< eDirection > directions, double value=0.0)
	constraints components of vector valued nodes in X and/or Y and/or Z More...
std::vector< Equation >	Component (const Group< NodeSimple > &nodes, std::vector< eDirection > directions, RhsFunction rhs)
	constraints components of vector valued nodes in X and/or Y and/or Z More...
Equation	Direction (const NodeSimple &node, Eigen::VectorXd direction, RhsFunction rhs)
	creates a constraint equation for constraints that are not axes aligned More...
Equation	Direction (const NodeSimple &node, Eigen::VectorXd direction, double value=0.0)
	creates a constraint equation for constraints that are not axes aligned More...
std::vector< Equation >	Direction (const Group< NodeSimple > &nodes, Eigen::VectorXd direction, RhsFunction rhs)
	creates multiple constraint equations for constraints that are not axes aligned More...
std::vector< Equation >	Direction (const Group< NodeSimple > &nodes, Eigen::VectorXd direction, double value=0.0)
	creates multiple constraint equations for constraints that are not axes aligned More...
Equation	Value (const NodeSimple &node, double value=0.0)
	Constraint single value node. More...
Equation	Value (const NodeSimple &node, RhsFunction rhs)
	Constraint single value node. More...
std::vector< Equation >	Value (const Group< NodeSimple > &nodes, double value=0.0)
	Constraint group of single value nodes. More...
std::vector< Equation >	Value (const Group< NodeSimple > &nodes, RhsFunction rhs)
	Constraint group of single value nodes. More...
RhsFunction	RhsConstant (double constantValue)
	constant function More...

Typedef Documentation

typedef std::function<double(double)> NuTo::Constraint::RhsFunction

Function Documentation

std::vector< Equation > NuTo::Constraint::Component	(	const NodeSimple &	node,
		std::vector< eDirection >	directions,
		double	value = 0.0
	)

constraints components of vector valued nodes in X and/or Y and/or Z

Parameters

node	node reference
directions	vector of directions (X, Y, Z)
value	constant value

Returns

vector of constraint equations

std::vector< Equation > NuTo::Constraint::Component	(	const NodeSimple &	node,
		std::vector< eDirection >	directions,
		RhsFunction	rhs
	)

constraints components of vector valued nodes in X and/or Y and/or Z

Parameters

node	node reference
directions	vector of directions (X, Y, Z)
rhs	time dependent constraint function (double time) –> double

Returns

vector of constraint equations

std::vector< Equation > NuTo::Constraint::Component	(	const Group< NodeSimple > &	nodes,
		std::vector< eDirection >	directions,
		double	value = 0.0
	)

constraints components of vector valued nodes in X and/or Y and/or Z

Parameters

nodes	group of nodes
directions	vector of directions (X, Y, Z)
value	constant value

Returns

vector of constraint equations

std::vector< Equation > NuTo::Constraint::Component	(	const Group< NodeSimple > &	nodes,
		std::vector< eDirection >	directions,
		RhsFunction	rhs
	)

constraints components of vector valued nodes in X and/or Y and/or Z

Parameters

nodes	group of nodes
directions	vector of directions (X, Y, Z)
rhs	time dependent constraint function (double time) –> double

Returns

vector of constraint equations

Equation NuTo::Constraint::Direction	(	const NodeSimple &	node,
		Eigen::VectorXd	direction,
		RhsFunction	rhs
	)

creates a constraint equation for constraints that are not axes aligned

Parameters

node	node reference
direction	directions (X, Y, Z)
rhs	time dependent constraint function (double time) –> double

Returns

constraint equation

Equation NuTo::Constraint::Direction	(	const NodeSimple &	node,
		Eigen::VectorXd	direction,
		double	value = 0.0
	)

creates a constraint equation for constraints that are not axes aligned

Parameters

node	node reference
direction	directions (X, Y, Z)
value	constant value

Returns

constraint equation

std::vector< Equation > NuTo::Constraint::Direction	(	const Group< NodeSimple > &	nodes,
		Eigen::VectorXd	direction,
		RhsFunction	rhs
	)

creates multiple constraint equations for constraints that are not axes aligned

Parameters

nodes	group of nodes
direction	directions (X, Y, Z)
rhs	time dependent constraint function (double time) –> double

Returns

vector of constraint equations

std::vector< Equation > NuTo::Constraint::Direction	(	const Group< NodeSimple > &	nodes,
		Eigen::VectorXd	direction,
		double	value = 0.0
	)

creates multiple constraint equations for constraints that are not axes aligned

Parameters

nodes	group of nodes
direction	directions (X, Y, Z)
value	constant value

Returns

vector of constraint equations

RhsFunction NuTo::Constraint::RhsConstant ( double  constantValue )

inline

constant function

Parameters

constantValue

constant value

Returns

constant function f(t) = constant value

RhsFunction NuTo::Constraint::RhsRamp	(	double	timeEnd,
		double	valueEnd
	)

linear function

Parameters

timeEnd	end time
valueEnd	end value

Returns

linear function crossing (0,0) and (timeEnd, valueEnd)

Equation NuTo::Constraint::Value	(	const NodeSimple &	node,
		double	value = 0.0
	)

Constraint single value node.

Parameters

node	node reference
value	constant value

Returns

constraint equation

Equation NuTo::Constraint::Value	(	const NodeSimple &	node,
		RhsFunction	rhs
	)

Constraint single value node.

Parameters

node	node reference
rhs	time dependent constraint function (double time) –> double

Returns

constraint equation

std::vector< Equation > NuTo::Constraint::Value	(	const Group< NodeSimple > &	nodes,
		double	value = 0.0
	)

Constraint group of single value nodes.

Parameters

nodes	group of nodes
value	constant value

Returns

vector of constraint equations

std::vector< Equation > NuTo::Constraint::Value	(	const Group< NodeSimple > &	nodes,
		RhsFunction	rhs
	)

Constraint group of single value nodes.

Parameters

nodes	group of nodes
rhs	time dependent constraint function (double time) –> double

Returns

vector of constraint equations