Adaptive simulator driver using the ISolver interface. More...

#include <SIMSolverAdap.h>

Inheritance diagram for AdaptiveISolver< T1, SolutionTransfer >:

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Collaboration diagram for AdaptiveISolver< T1, SolutionTransfer >:

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Public Member Functions
	AdaptiveISolver (T1 &sim, bool sa)
	The constructor forwards to the parent class constructor.

bool	adaptMesh (int iStep, std::streamsize outPrec=0)
	Refines the current mesh based on the element norms.

Public Member Functions inherited from AdaptiveSIM
	AdaptiveSIM (SIMoutput &sim, bool sa=true)
	The constructor initializes default adaptation parameters.

bool	initAdaptor (size_t normGroup=0)
	Initializes the projs and projd arrays.

bool	solveStep (const char *inputfile, int iStep, bool withRF=false, std::streamsize precision=6)
	Assembles and solves the linear FE equations on current mesh.

bool	adaptMesh (int iStep, std::streamsize outPrec=0)
	Refines the current mesh based on the element norms.

bool	adaptMesh (int iStep, Vectors &sol, std::streamsize outPrec=0)
	Refines the current mesh based on the element norms.

bool	writeGlv (const char *infile, int iStep)
	Writes current mesh and results to the VTF-file.

const Vector &	getSolution (size_t idx=0) const
	Accesses the solution of the linear system.

const Vector &	getProjection (size_t idx=0) const
	Accesses the projections.

const Vectors &	getProjections () const
	Access all the projections.

const Matrix &	getEnorm () const
	Access the calculated element-wise norms.

virtual bool	parse (char *keyWord, std::istream &is)
	Parses a data section from an input stream.

virtual bool	parse (const tinyxml2::XMLElement *elem)
	Parses a data section from an XML document.

virtual bool	preprocessC (const IntVec &ignored, bool fixDup, double time0)
	Performs some pre-processing tasks on the FE model.

Public Member Functions inherited from SIMadmin
virtual	~SIMadmin ()
	Empty destructor.

virtual bool	read (const char *fileName)
	Reads model data from the specified input file *fileName.

virtual bool	preprocess (const IntVec &ignored={}, bool fixDup=false)
	Performs some pre-processing tasks on the FE model.

const ProcessAdm &	getProcessAdm () const
	Returns the parallel process administrator.

int	getGlobalProcessID () const
	Returns the global process ID.

const std::string &	getHeading () const
	Returns the simulator heading.

void	setHeading (const std::string &heading)
	Defines the simulator heading.

void	printHeading (int &supStep) const
	Prints the heading of this simulator, if any, to IFEM::cout.

Public Member Functions inherited from XMLInputBase
bool	readXML (const char *fileName, bool verbose=true)
	Reads an XML input file.

bool	loadXML (const char *xml)
	Loads data from an XML-formatted text string.

Public Member Functions inherited from AdaptiveSetup
	AdaptiveSetup (SIMoutput &sim, bool sa=true)
	The constructor initializes default adaptation parameters.

virtual	~AdaptiveSetup ()
	Empty destructor.

void	setAdaptationNorm (size_t g, size_t i=0)
	Sets the norm group/index of the norm to base mesh adaptation on.

bool	initPrm (size_t normGroup)
	Initializes the norm group parameters.

int	calcRefinement (LR::RefineData &prm, int iStep, const Vectors &gNorm, const Vector &refIn, int currDofs=-1) const
	Calculates mesh refinement control data based on error estimates.

bool	parse (char *keyWord, std::istream &is)
	Parses a data section from an input stream.

bool	parse (const tinyxml2::XMLElement *elem)
	Parses a data section from an XML document.

void	printNorms (const Vectors &gNorm, const Vectors &dNorm, const Matrix &eNorm, size_t w=36, bool printModelNorms=true) const
	Prints out global norms to the log stream.

bool	writeMesh (int iStep) const
	Dumps current mesh to external file(s) for inspection.

size_t	eIdx () const
	Returns the row-index of the element norm to use for adaptation.

Protected Member Functions
virtual void	prepareAdapt ()
	Hook for preparation steps before mesh adaptation.

virtual void	prepareSolutionTransfer ()
	Hook for preparation steps before solution transfer.

bool	assembleAndSolveSystem () override
	Assembles and solves the linearized FE equation system.

bool	savePoints (int iStep) const override
	Saves point results to output file for a given refinement step.

Protected Member Functions inherited from SIMadmin
	SIMadmin (const char *heading=nullptr)
	The default constructor initializes the process administrator.

	SIMadmin (SIMadmin &anotherSIM)
	Copy constructor.

Protected Member Functions inherited from XMLInputBase
const tinyxml2::XMLElement *	loadFile (tinyxml2::XMLDocument &doc, const char *fileName, bool verbose=false)
	Loads an XML input file into a tinyxml2::XMLDocument object.

virtual const char **	getPrioritizedTags () const
	Returns a list of prioritized XML-tags.

Protected Attributes
T1 &	model
	Reference to the actual sim.

Vectors	transfered
	Transfered solutions.

Protected Attributes inherited from AdaptiveSIM
Vectors	solution
	All solutions (including Galerkin projections)

Protected Attributes inherited from SIMadmin
ProcessAdm	adm
	Parallel administrator.

int	myPid
	Processor ID in parallel simulations.

int	nProc
	Number of processors in parallel simulations.

std::string	myHeading
	Heading written before reading the input file.

Protected Attributes inherited from AdaptiveSetup
SIMoutput &	model
	The isogeometric FE model.

size_t	adaptor
	Norm group to base the mesh adaptation on.

size_t	adNorm
	Which norm to base the mesh adaptation on.

size_t	eRow
	Row-index in eNorm of the norm to use for adaptation.

double	rCond
	Actual reciprocal condition number of the last mesh.

Additional Inherited Members
Public Attributes inherited from SIMadmin
SIMoptions &	opt
	Simulation control parameters.

Static Public Attributes inherited from SIMadmin
static int	msgLevel = 2
	Controls the console output amount during solving.

Protected Types inherited from SIMadmin
using	IntVec = std::vector< int >
	Convenience alias.

Protected Types inherited from AdaptiveSetup
enum	Threshold { NONE =0 , MAXIMUM , AVERAGE , MINIMUM , TRUE_BETA , DORFEL , SYMMETRIZED }
	Enum defining the refinement threshold flag values.

using	DblIdx = std::pair< double, int >
	Element error and associated index.

Static Protected Member Functions inherited from AdaptiveSetup
static ErrorInfo	errorLimits (const std::vector< DblIdx > &errors, const double beta, const Threshold threshold)
	Calculate error limits for a vector of errors.

Detailed Description

template<class T1, bool SolutionTransfer = false>
class AdaptiveISolver< T1, SolutionTransfer >

Adaptive simulator driver using the ISolver interface.

Member Function Documentation

◆ adaptMesh()

template<class T1 , bool SolutionTransfer = false>

bool AdaptiveISolver< T1, SolutionTransfer >::adaptMesh	(	int	iStep,
		std::streamsize	outPrec = `0`
	)

inline

Refines the current mesh based on the element norms.

Parameters

[in]	iStep	Refinement step counter
[in]	outPrec	Number of digits after the decimal point in norm print

References AdaptiveSIM::adaptMesh(), AdaptiveISolver< T1, SolutionTransfer >::prepareAdapt(), AdaptiveSIM::solution, and AdaptiveISolver< T1, SolutionTransfer >::transfered.

◆ assembleAndSolveSystem()

template<class T1 , bool SolutionTransfer = false>

bool AdaptiveISolver< T1, SolutionTransfer >::assembleAndSolveSystem ( )

inlineoverrideprotectedvirtual

Assembles and solves the linearized FE equation system.

Reimplemented from AdaptiveSIM.

References AdaptiveISolver< T1, SolutionTransfer >::model, AdaptiveISolver< T1, SolutionTransfer >::prepareSolutionTransfer(), AdaptiveSIM::solution, and AdaptiveISolver< T1, SolutionTransfer >::transfered.

◆ savePoints()

template<class T1 , bool SolutionTransfer = false>

bool AdaptiveISolver< T1, SolutionTransfer >::savePoints ( int iStep ) const

inlineoverrideprotectedvirtual

Saves point results to output file for a given refinement step.

Parameters

[in] iStep Refinement step counter

Reimplemented from AdaptiveSIM.

References AdaptiveISolver< T1, SolutionTransfer >::model.

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

/home/runner/work/IFEM-2/IFEM-2/Apps/Utils/SIMSolverAdap.h

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ adaptMesh()

◆ assembleAndSolveSystem()

◆ savePoints()