Detailed Description

Fem operators can be obtained from stored components.

This class helps storing Fem system components for accelerating the operator evaluation, if it is done multiple times. Since the compontents are accessible, it is also useful for the reduced data generation. Note that this is compatible with the function Fem.Assembly.operator.

The components can be assembled with the method assemble_components(). If "operators" is a Fem.OperatorsDefault object, the components are stored in operators.A_comp and operators.f_comp. To obtain the Fem system simply call [A, f] = operators(model, model_data).

In stokes problems, it can only be used for linear terms.

Definition at line 18 of file OperatorsDefault.m.

Inheritance diagram for Fem.OperatorsDefault:

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Public Member Functions
	OperatorsDefault ()
	Only initializing new object.

function varargout =	evaluate (model,ModelData model_data)
	Operator evaluation. Returns a full Fem system. More...

function this =	assemble_components (model,ModelData model_data)
	Calls the assembly routine of model and stores all components. More...

function this =	clear_components ()
	Deletes all components. More...

function varargout =	subsref (S)
	Overloads subsref. More...

Public Attributes
	A_comp = {""}

	f_comp = {""}

	componentsAssembled = 0

Member Function Documentation

function this = Fem.OperatorsDefault.assemble_components	(		model,
		ModelData	model_data
	)

Calls the assembly routine of model and stores all components.

Parameters

model	model
model_data	Matlab structure storing (possibly) high dimensional data needed by IDetailedModel.detailed_simulation().

Return values

this this

Required fields of model:

operators — operators

Generated fields of this:

componentsAssembled — componentsAssembled

Definition at line 124 of file OperatorsDefault.m.

function this = Fem.OperatorsDefault.clear_components ( )

Deletes all components.

Return values

this this

Generated fields of this:

A_comp — A comp
f_comp — f comp
componentsAssembled — componentsAssembled

Definition at line 149 of file OperatorsDefault.m.

function varargout = Fem.OperatorsDefault.evaluate	(		model,
		ModelData	model_data
	)

Operator evaluation. Returns a full Fem system.

If the components are stored, the system is computed via linear combinations of the components, else the assembly routine of model is called.

Parameters

model	model
model_data	Matlab structure storing (possibly) high dimensional data needed by IDetailedModel.detailed_simulation().

Return values

varargout The first output represents the system matrix, the second output (only if requested) the right-hand side vector. The field model.decomp_mode has no influence.

Required fields of model:

operators — operators
has_nonlinearity — has nonlinearity
matrix_nonlin_indices — matrix nonlin indices
dirichlet_values — dirichlet values

Required fields of model_data:

bc_info.dirichlet_dof_vector_components — bc info.dirichlet dof vector components
bc_info.dirichlet_gids — bc info.dirichlet gids
df_info.ndofs — df info.ndofs

Definition at line 63 of file OperatorsDefault.m.

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