Computes the perimeter of a level set boundary as a volume integral

$P(\phi) \approx \int_\Omega \delta_d(phi) ~d\Omega$

, where $\phi$ is the level set function, $\delta_d(\phi)$ is the approximation to the Dirac delta function implemented in LevelSetElementBase. More...

#include <level_set_perimeter_output.h>

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Public Member Functions
	LevelSetPerimeter (MAST::LevelSetIntersection &intersection)

virtual	~LevelSetPerimeter ()

virtual void	set_elem_data (unsigned int dim, const libMesh::Elem &ref_elem, MAST::GeomElem &elem) const
	virtual function, nothing to be done for level set More...

virtual void	init (const MAST::GeomElem &elem)
	initializes the object for calculation of element quantities for the specified `elem`. More...

virtual void	zero_for_analysis ()
	zeroes the output quantity values stored inside this object so that assembly process can begin. More...

virtual void	zero_for_sensitivity ()
	zeroes the output quantity values stored inside this object so that assembly process can begin. More...

virtual Real	output_for_elem ()

virtual Real	output_total ()

virtual Real	output_sensitivity_for_elem (const MAST::FunctionBase &p)

virtual Real	output_sensitivity_total (const MAST::FunctionBase &p)

virtual void	output_derivative_for_elem (RealVectorX &dq_dX)
	returns the output quantity derivative with respect to state vector in `dq_dX`. More...

virtual void	evaluate ()
	this is the abstract interface to be implemented by derived classes. More...

virtual void	evaluate_sensitivity (const MAST::FunctionBase &f)
	this evaluates all relevant sensitivity components on the element. More...

virtual void	evaluate_shape_sensitivity (const MAST::FunctionBase &f)
	this evaluates all relevant shape sensitivity components on the element. More...

virtual void	evaluate_topology_sensitivity (const MAST::FunctionBase &f, const MAST::FieldFunction< RealVectorX > &vel)
	This evaluates the contribution to the topology sensitivity on the boundary $\int_\Gamma V_n~d\Gamma$ . More...

Public Member Functions inherited from MAST::OutputAssemblyElemOperations
	OutputAssemblyElemOperations ()

virtual	~OutputAssemblyElemOperations ()
	virtual destructor More...

void	set_participating_subdomains (const std::set< libMesh::subdomain_id_type > &sids)
	The output function can be a boundary integrated quantity, volume integrated quantity or a combination of these two. More...

void	set_participating_elements (const std::set< const libMesh::Elem * > &elems)
	sets the elements for which this object will evaluate and store the output data. More...

void	set_participating_elements_to_all ()
	This will allow volume contribution from all elements. More...

void	set_participating_boundaries (const std::set< libMesh::boundary_id_type > &bids)
	The assembly will integration over boudnaries with ids specified in `bids`. More...

const std::set< const libMesh::Elem * > &	get_participating_elements () const

const std::set< libMesh::subdomain_id_type > &	get_participating_subdomains ()

const std::set< libMesh::boundary_id_type > &	get_participating_boundaries ()

virtual bool	if_evaluate_for_element (const MAST::GeomElem &elem) const
	checks to see if the object has been told about the subset of elements and if the specified element is in the subset. More...

virtual bool	if_evaluate_for_boundary (const MAST::GeomElem &elem, const unsigned int s) const
	checks to see if the specified side of the element needs evaluation of the output contribution. More...

Public Member Functions inherited from MAST::AssemblyElemOperations
	AssemblyElemOperations ()

virtual	~AssemblyElemOperations ()

MAST::SystemInitialization &	get_system_initialization ()

MAST::PhysicsDisciplineBase &	get_discipline ()

virtual void	set_discipline_and_system (MAST::PhysicsDisciplineBase &discipline, MAST::SystemInitialization &system)
	attaches a system to this discipline More...

virtual void	clear_discipline_and_system ()
	clears association with a system to this discipline More...

virtual void	set_assembly (MAST::AssemblyBase &assembly)
	sets the assembly object More...

virtual MAST::AssemblyBase &	get_assembly ()

virtual void	clear_assembly ()
	clears the assembly object More...

virtual void	clear_elem ()
	clears the element initialization More...

MAST::ElementBase &	get_physics_elem ()

virtual void	set_elem_solution (const RealVectorX &sol)
	sets the element solution More...

virtual void	set_elem_solution_sensitivity (const RealVectorX &sol)
	sets the element solution sensitivity More...

virtual void	set_elem_perturbed_solution (const RealVectorX &sol)
	sets the element perturbed solution More...

virtual void	set_elem_velocity (const RealVectorX &vel)
	sets the element velocity More...

virtual void	set_elem_velocity_sensitivity (const RealVectorX &vel)
	sets the element velocity sensitivity More...

virtual void	set_elem_perturbed_velocity (const RealVectorX &vel)
	sets the element perturbed velocity More...

virtual void	set_elem_acceleration (const RealVectorX &accel)
	sets the element acceleration More...

virtual void	set_elem_acceleration_sensitivity (const RealVectorX &accel)
	sets the element acceleration More...

virtual void	set_elem_perturbed_acceleration (const RealVectorX &accel)
	sets the element perturbed acceleration More...

Protected Attributes
const MAST::LevelSetIntersection &	_intersection

Real	_per

Real	_dper_dp

Protected Attributes inherited from MAST::OutputAssemblyElemOperations
bool	_if_evaluate_on_all_elems
	if true, evaluates on all elements. More...

std::set< const libMesh::Elem * >	_elem_subset
	set of elements for which the data will be stored. More...

std::set< libMesh::subdomain_id_type >	_sub_domain_ids
	set of subdomain ids for which data will be processed. More...

std::set< libMesh::boundary_id_type >	_bids
	set of bids for which data will be processed More...

Protected Attributes inherited from MAST::AssemblyElemOperations
MAST::SystemInitialization *	_system

MAST::PhysicsDisciplineBase *	_discipline

MAST::AssemblyBase *	_assembly

MAST::ElementBase *	_physics_elem

Detailed Description

Computes the perimeter of a level set boundary as a volume integral

$P(\phi) \approx \int_\Omega \delta_d(phi) ~d\Omega$

, where $\phi$ is the level set function, $\delta_d(\phi)$ is the approximation to the Dirac delta function implemented in LevelSetElementBase.

Definition at line 40 of file level_set_perimeter_output.h.

Constructor & Destructor Documentation

MAST::LevelSetPerimeter::LevelSetPerimeter ( MAST::LevelSetIntersection & intersection )

Definition at line 31 of file level_set_perimeter_output.cpp.

MAST::LevelSetPerimeter::~LevelSetPerimeter ( )

virtual

Definition at line 41 of file level_set_perimeter_output.cpp.

Member Function Documentation

void MAST::LevelSetPerimeter::evaluate ( )

virtual

this is the abstract interface to be implemented by derived classes.

This method calculates the quantity $ q(X, p) $ . This is provided as an interface since some quantities requires evaluation of all inputs before the final quantity can be calculated. So, the user can call this routine on each element before requesting the output values using either output_for_elem() or output_total().

Implements MAST::OutputAssemblyElemOperations.

Definition at line 150 of file level_set_perimeter_output.cpp.

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void MAST::LevelSetPerimeter::evaluate_sensitivity ( const MAST::FunctionBase & f )

virtual

this evaluates all relevant sensitivity components on the element.

This is only done on the current element for which this object has been initialized.

Implements MAST::OutputAssemblyElemOperations.

Definition at line 165 of file level_set_perimeter_output.cpp.

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virtual void MAST::LevelSetPerimeter::evaluate_shape_sensitivity ( const MAST::FunctionBase & f )

inlinevirtual

this evaluates all relevant shape sensitivity components on the element.

This is only done on the current element for which this object has been initialized.

Implements MAST::OutputAssemblyElemOperations.

Definition at line 154 of file level_set_perimeter_output.h.

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void MAST::LevelSetPerimeter::evaluate_topology_sensitivity	(	const MAST::FunctionBase &	f,
		const MAST::FieldFunction< RealVectorX > &	vel
	)

virtual

This evaluates the contribution to the topology sensitivity on the boundary $\int_\Gamma V_n~d\Gamma$ .

Implements MAST::OutputAssemblyElemOperations.

Definition at line 174 of file level_set_perimeter_output.cpp.

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void MAST::LevelSetPerimeter::init ( const MAST::GeomElem & elem )

virtual

initializes the object for calculation of element quantities for the specified elem.

Implements MAST::AssemblyElemOperations.

Definition at line 49 of file level_set_perimeter_output.cpp.

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virtual void MAST::LevelSetPerimeter::output_derivative_for_elem ( RealVectorX & dq_dX )

inlinevirtual

returns the output quantity derivative with respect to state vector in dq_dX.

This method calculates the quantity

$\frac{\partial q(X, p)}{\partial X}$

for this output function. This is returned for the element for which this

Implements MAST::OutputAssemblyElemOperations.

Definition at line 123 of file level_set_perimeter_output.h.

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Real MAST::LevelSetPerimeter::output_for_elem ( )

virtual

Returns: the output quantity value contribution for the present element for which this object has been initialized. This does not make sense for some output quantities that are defined as averaged over a domain, example the p-norm of the stress (see MAST::StressStrainOutputBase). For such cases, the output_total must be called.

Implements MAST::OutputAssemblyElemOperations.

Definition at line 82 of file level_set_perimeter_output.cpp.

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Real MAST::LevelSetPerimeter::output_sensitivity_for_elem ( const MAST::FunctionBase & p )

virtual

Returns: the output quantity sensitivity for parameter. This method calculates the partial derivative of quantity
$\frac{\partial q(X, p)}{\partial p}$
with respect to parameter . This returns the quantity evaluated for on element for which this object is initialized.

Implements MAST::OutputAssemblyElemOperations.

Definition at line 114 of file level_set_perimeter_output.cpp.

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Real MAST::LevelSetPerimeter::output_sensitivity_total ( const MAST::FunctionBase & p )

virtual

Returns: the output quantity sensitivity for parameter. This method calculates the partial derivative of quantity
$\frac{\partial q(X, p)}{\partial p}$
with respect to parameter . This returns the quantity accumulated over all elements.

Implements MAST::OutputAssemblyElemOperations.

Definition at line 137 of file level_set_perimeter_output.cpp.

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Real MAST::LevelSetPerimeter::output_total ( )

virtual

Returns: the output quantity value accumulated over all elements

Implements MAST::OutputAssemblyElemOperations.

Definition at line 100 of file level_set_perimeter_output.cpp.

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virtual void MAST::LevelSetPerimeter::set_elem_data	(	unsigned int	dim,
		const libMesh::Elem &	ref_elem,
		MAST::GeomElem &	elem
	)		const

inlinevirtual

virtual function, nothing to be done for level set

Implements MAST::AssemblyElemOperations.

Definition at line 53 of file level_set_perimeter_output.h.

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void MAST::LevelSetPerimeter::zero_for_analysis ( )

virtual

zeroes the output quantity values stored inside this object so that assembly process can begin.

This will zero out data so that it is ready for a new evaluation. Before sensitivity analysis, call the other method, since some nonlinear functionals need the forward quantities for sensitivity analysis, eg., stress output.

Implements MAST::OutputAssemblyElemOperations.

Definition at line 63 of file level_set_perimeter_output.cpp.

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void MAST::LevelSetPerimeter::zero_for_sensitivity ( )

virtual

zeroes the output quantity values stored inside this object so that assembly process can begin.

This will only zero the data to compute new sensitivity analysis.

Implements MAST::OutputAssemblyElemOperations.

Definition at line 72 of file level_set_perimeter_output.cpp.

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Member Data Documentation

Real MAST::LevelSetPerimeter::_dper_dp

protected

Definition at line 170 of file level_set_perimeter_output.h.

const MAST::LevelSetIntersection& MAST::LevelSetPerimeter::_intersection

protected

Definition at line 168 of file level_set_perimeter_output.h.

Real MAST::LevelSetPerimeter::_per

protected

Definition at line 169 of file level_set_perimeter_output.h.

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

/home/travis/build/MASTmultiphysics/mast-multiphysics/src/level_set/level_set_perimeter_output.h
/home/travis/build/MASTmultiphysics/mast-multiphysics/src/level_set/level_set_perimeter_output.cpp

Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation