This class implements NonLinear (- may be changed) solution of dynamic problems using Direct Explicit Integration scheme - Central Difference Method. More...

#include <nldeidynamic.h>

Inheritance diagram for oofem::NlDEIDynamic:

Collaboration diagram for oofem::NlDEIDynamic:

Public Member Functions
	NlDEIDynamic (int i, EngngModel *_master=NULL)

virtual	~NlDEIDynamic ()

virtual void	solveYourself ()
	Starts solution process. More...

virtual void	solveYourselfAt (TimeStep *tStep)
	Solves problem for given time step. More...

virtual void	updateYourself (TimeStep *tStep)
	Updates internal state after finishing time step. More...

virtual double	giveUnknownComponent (ValueModeType type, TimeStep tStep, Domain d, Dof *dof)
	Returns requested unknown. More...

virtual IRResultType	initializeFrom (InputRecord *ir)
	Initializes receiver according to object description in input reader. More...

virtual TimeStep *	giveNextStep ()
	Returns next time step (next to current step) of receiver. More...

virtual NumericalMethod *	giveNumericalMethod (MetaStep *mStep)
	Returns reference to receiver's numerical method. More...

virtual contextIOResultType	saveContext (DataStream &stream, ContextMode mode)
	Stores the state of model to output stream. More...

virtual contextIOResultType	restoreContext (DataStream &stream, ContextMode mode)
	Restores the state of model from output stream. More...

virtual void	printOutputAt (FILE file, TimeStep tStep)
	Prints output of receiver to output domain stream, for given time step. More...

virtual void	printDofOutputAt (FILE stream, Dof iDof, TimeStep *tStep)
	DOF printing routine. More...

virtual const char *	giveInputRecordName () const

virtual const char *	giveClassName () const
	Returns class name of the receiver. More...

virtual fMode	giveFormulation ()
	Indicates type of non linear computation (total or updated formulation). More...

virtual int	giveNumberOfFirstStep (bool force=false)
	Returns number of first time step used by receiver. More...

virtual int	estimateMaxPackSize (IntArray &commMap, DataStream &buff, int packUnpackType)
	Determines the space necessary for send/receive buffer. More...

Public Member Functions inherited from oofem::StructuralEngngModel
	StructuralEngngModel (int i, EngngModel *_master=NULL)
	Creates new StructuralEngngModel with number i, associated to domain d. More...

virtual	~StructuralEngngModel ()
	Destructor. More...

virtual int	checkConsistency ()
	Allows programmer to test some receiver's internal data, before computation begins. More...

void	computeReaction (FloatArray &answer, TimeStep *tStep, int di)
	Computes reaction forces. More...

virtual void	terminate (TimeStep *tStep)
	Terminates the solution of time step. More...

void	buildReactionTable (IntArray &restrDofMans, IntArray &restrDofs, IntArray &eqn, TimeStep *tStep, int di)
	Builds the reaction force table. More...

virtual void	showSparseMtrxStructure (int type, oofegGraphicContext &gc, TimeStep *tStep)
	Shows the sparse structure of required matrix, type == 1 stiffness. More...

Public Member Functions inherited from oofem::EngngModel
	EngngModel (int i, EngngModel *_master=NULL)
	Constructor. More...

virtual	~EngngModel ()
	Destructor. More...

	EngngModel (const EngngModel &)=delete

EngngModel &	operator= (const EngngModel &)=delete

Domain *	giveDomain (int n)
	Service for accessing particular problem domain. More...

void	setDomain (int i, Domain *ptr, bool iDeallocateOld=true)
	Sets i-th domain of receiver. More...

int	giveNumberOfDomains ()
	Returns number of domains in problem. More...

const std::string &	giveDescription () const

const time_t &	giveStartTime ()

bool	giveSuppressOutput () const

virtual ErrorEstimator *	giveDomainErrorEstimator (int n)
	Service for accessing ErrorEstimator corresponding to particular domain. More...

virtual MaterialInterface *	giveMaterialInterface (int n)
	Returns material interface representation for given domain. More...

void	setNumberOfEquations (int id, int neq)

FILE *	giveOutputStream ()
	Returns file descriptor of output file. More...

std::string	giveOutputBaseFileName ()
	Returns base output file name to which extensions, like .out .vtu .osf should be added. More...

std::string	giveReferenceFileName ()
	Returns reference file name. More...

void	letOutputBaseFileNameBe (const std::string &src)
	Sets the base output file name. More...

ContextOutputMode	giveContextOutputMode ()
	Returns domain context output mode. More...

int	giveContextOutputStep ()
	Returns domain context output step. More...

void	setContextOutputMode (ContextOutputMode contextMode)
	Sets context output mode of receiver. More...

void	setUDContextOutputMode (int cStep)
	Sets user defined context output mode (it sets contextOutputMode to contextOutputMode), setting contextOutputStep to given value. More...

void	setProblemMode (problemMode pmode)
	Sets domain mode to given mode. More...

void	setParallelMode (bool newParallelFlag)
	Sets the problem to run in parallel (or not). More...

problemMode	giveProblemMode ()
	Returns domain mode. More...

void	setProblemScale (problemScale pscale)
	Sets scale in multiscale simulation. More...

problemScale	giveProblemScale ()
	Returns scale in multiscale simulation. More...

virtual void	setRenumberFlag ()
	Sets the renumber flag to true. More...

virtual void	resetRenumberFlag ()
	Sets the renumber flag to false. More...

double	giveSolutionStepTime ()
	Returns the user time of the current simulation step in seconds. More...

void	giveAnalysisTime (int &rhrs, int &rmin, int &rsec, int &uhrs, int &umin, int &usec)
	Returns the real and user time for the analysis. More...

void	terminateAnalysis ()
	Performs analysis termination after finishing analysis. More...

virtual void	doStepOutput (TimeStep *tStep)
	Prints the ouput of the solution step (using virtual this->printOutputAtservice) to the stream detemined using this->giveOutputStream() method and calls exportModuleManager to do output. More...

void	saveStepContext (TimeStep *tStep, ContextMode mode)
	Saves context of given solution step, if required (determined using this->giveContextOutputMode() method). More...

virtual void	initializeYourself (TimeStep *tStep)
	Provides the opportunity to initialize state variables stored in element integration points according to initial conditions using function initializeYourself() on element level. More...

virtual int	initializeAdaptive (int tStepNumber)
	Initializes the newly generated discretization state according to previous solution. More...

virtual int	giveNumberOfDomainEquations (int di, const UnknownNumberingScheme &num)
	Returns number of equations for given domain in active (current time step) time step. More...

virtual FieldPtr	giveField (FieldType key, TimeStep *)
	Returns the smart pointer to requested field, Null otherwise. More...

EngngModel *	giveMasterEngngModel ()
	Returns the master engnmodel. More...

virtual double	giveLoadLevel ()
	Returns the current load level. More...

virtual double	giveEigenValue (int eigNum)
	Only relevant for eigen value analysis. Otherwise returns zero. More...

virtual void	setActiveVector (int i)
	Only relevant for eigen value analysis. Otherwise does noting. More...

int	updateSharedDofManagers (FloatArray &answer, const UnknownNumberingScheme &s, int ExchangeTag)
	Exchanges necessary remote DofManagers data. More...

int	exchangeRemoteElementData (int ExchangeTag)
	Exchanges necessary remote element data with remote partitions. More...

virtual int	giveCurrentNumberOfIterations ()
	Returns number of iterations that was required to reach equilibrium - used for adaptive step length in staggered problem. More...

MPI_Comm	giveParallelComm ()
	Returns the communication object of reciever. More...

int	packRemoteElementData (ProcessCommunicator &processComm)
	Packs data of local element to be received by their remote counterpart on remote partitions. More...

int	unpackRemoteElementData (ProcessCommunicator &processComm)
	Unpacks data for remote elements (which are mirrors of remote partition's local elements). More...

int	packDofManagers (ArrayWithNumbering *src, ProcessCommunicator &processComm)
	Packing function for vector values of DofManagers. More...

int	unpackDofManagers (ArrayWithNumbering *dest, ProcessCommunicator &processComm)
	Unpacking function for vector values of DofManagers . More...

ProblemCommunicator *	giveProblemCommunicator (EngngModelCommType t)

void	initializeCommMaps (bool forceInit=false)

virtual int	instanciateYourself (DataReader &dr, InputRecord ir, const char outFileName, const char *desc)
	Initializes whole problem according to its description stored in inputStream. More...

void	Instanciate_init ()
	Initialization of the receiver state (opening the default output stream, empty domain creation, initialization of parallel context, etc) before Initialization form DataReader. More...

int	instanciateDomains (DataReader &dr)
	Instanciate problem domains by calling their instanciateYourself() service. More...

int	instanciateMetaSteps (DataReader &dr)
	Instanciate problem meta steps by calling their instanciateYourself() service. More...

virtual int	instanciateDefaultMetaStep (InputRecord *ir)
	Instanciate default metastep, if nmsteps is zero. More...

virtual void	updateAttributes (MetaStep *mStep)
	Update receiver attributes according to step metaStep attributes. More...

void	initMetaStepAttributes (MetaStep *mStep)
	Update e-model attributes attributes according to step metaStep attributes. More...

virtual void	updateDomainLinks ()
	Updates domain links after the domains of receiver have changed. More...

MetaStep *	giveCurrentMetaStep ()
	Returns current meta step. More...

virtual TimeStep *	giveCurrentStep (bool force=false)
	Returns current time step. More...

virtual TimeStep *	givePreviousStep (bool force=false)
	Returns previous time step. More...

TimeStep *	generateNextStep ()
	Generate new time step (and associate metastep). More...

virtual void	preInitializeNextStep ()
	Does a pre-initialization of the next time step (implement if necessarry) More...

virtual TimeStep *	giveSolutionStepWhenIcApply (bool force=false)
	Returns the solution step when Initial Conditions (IC) apply. More...

int	giveNumberOfMetaSteps ()
	Return number of meta steps. More...

MetaStep *	giveMetaStep (int i)
	Returns the i-th meta step. More...

int	giveNumberOfSteps (bool force=false)
	Returns total number of steps. More...

virtual double	giveEndOfTimeOfInterest ()
	Returns end of time interest (time corresponding to end of time integration). More...

int	giveNumberOfTimeStepWhenIcApply ()
	Returns the time step number, when initial conditions should apply. More...

ExportModuleManager *	giveExportModuleManager ()
	Returns receiver's export module manager. More...

EngngModelTimer *	giveTimer ()
	Returns reference to receiver timer (EngngModelTimer). More...

virtual int	giveNewEquationNumber (int domain, DofIDItem)
	Increases number of equations of receiver's domain and returns newly created equation number. More...

virtual int	giveNewPrescribedEquationNumber (int domain, DofIDItem)
	Increases number of prescribed equations of receiver's domain and returns newly created equation number. More...

std::string	giveContextFileName (int tStepNumber, int stepVersion) const
	Returns the filename for the context file for the given step and version. More...

std::string	giveDomainFileName (int domainNum, int domainSerNum) const
	Returns the filename for the given domain (used by adaptivity and restore) More...

virtual void	updateComponent (TimeStep tStep, NumericalCmpn cmpn, Domain d)
	Updates components mapped to numerical method if necessary during solution process. More...

virtual void	initStepIncrements ()
	Initializes solution of new time step. More...

virtual int	forceEquationNumbering (int i)
	Forces equation renumbering on given domain. More...

virtual int	forceEquationNumbering ()
	Forces equation renumbering on all domains associated to engng model. More...

virtual int	requiresUnknownsDictionaryUpdate ()
	Indicates if EngngModel requires Dofs dictionaries to be updated. More...

virtual bool	requiresEquationRenumbering (TimeStep *tStep)
	Returns true if equation renumbering is required for given solution step. More...

virtual void	updateDofUnknownsDictionary (DofManager , TimeStep )
	Updates necessary values in Dofs unknown dictionaries. More...

virtual int	giveUnknownDictHashIndx (ValueModeType mode, TimeStep *tStep)
	This method is responsible for computing unique dictionary id (ie hash value) from given valueModeType and time step. More...

virtual ParallelContext *	giveParallelContext (int n)
	Returns the parallel context corresponding to given domain (n) and unknown type Default implementation returns i-th context from parallelContextList. More...

virtual void	initParallelContexts ()
	Creates parallel contexts. More...

virtual void	assemble (SparseMtrx &answer, TimeStep tStep, const MatrixAssembler &ma, const UnknownNumberingScheme &s, Domain domain)
	Assembles characteristic matrix of required type into given sparse matrix. More...

virtual void	assemble (SparseMtrx &answer, TimeStep tStep, const MatrixAssembler &ma, const UnknownNumberingScheme &r_s, const UnknownNumberingScheme &c_s, Domain domain)
	Assembles characteristic matrix of required type into given sparse matrix. More...

void	assembleVector (FloatArray &answer, TimeStep tStep, const VectorAssembler &va, ValueModeType mode, const UnknownNumberingScheme &s, Domain domain, FloatArray *eNorms=NULL)
	Assembles characteristic vector of required type from dofManagers, element, and active boundary conditions, into given vector. More...

void	assembleVectorFromDofManagers (FloatArray &answer, TimeStep tStep, const VectorAssembler &va, ValueModeType mode, const UnknownNumberingScheme &s, Domain domain, FloatArray *eNorms=NULL)
	Assembles characteristic vector of required type from dofManagers into given vector. More...

void	assembleVectorFromElements (FloatArray &answer, TimeStep tStep, const VectorAssembler &va, ValueModeType mode, const UnknownNumberingScheme &s, Domain domain, FloatArray *eNorms=NULL)
	Assembles characteristic vector of required type from elements into given vector. More...

void	assembleVectorFromBC (FloatArray &answer, TimeStep tStep, const VectorAssembler &va, ValueModeType mode, const UnknownNumberingScheme &s, Domain domain, FloatArray *eNorms=NULL)
	Assembles characteristic vector of required type from boundary conditions. More...

void	assembleExtrapolatedForces (FloatArray &answer, TimeStep tStep, CharType type, Domain domain)
	Assembles the extrapolated internal forces vector, useful for obtaining a good initial guess in nonlinear analysis with Dirichlet boundary conditions. More...

void	assemblePrescribedExtrapolatedForces (FloatArray &answer, TimeStep tStep, CharType type, Domain domain)

void	assembleVectorFromContacts (FloatArray &answer, TimeStep tStep, CharType type, ValueModeType mode, const UnknownNumberingScheme &s, Domain domain, FloatArray *eNorms=NULL)

virtual int	checkProblemConsistency ()
	Allows programmer to test problem its internal data, before computation begins. More...

virtual void	init ()
	Initializes the receiver state. More...

virtual void	postInitialize ()
	Performs post-initialization for all the problem contents (which is called after initializeFrom). More...

virtual void	printOutputAt (FILE file, TimeStep tStep, const IntArray &nodeSets, const IntArray &elementSets)

void	outputNodes (FILE file, Domain &domain, TimeStep tStep, int setNum)
	Outputs all nodes in the given set. More...

void	outputElements (FILE file, Domain &domain, TimeStep tStep, int setNum)
	Outputs all elements in the given set. More...

void	printYourself ()
	Prints state of receiver. Useful for debugging. More...

virtual int	useNonlocalStiffnessOption ()
	Returns nonzero if nonlocal stiffness option activated. More...

bool	isParallel () const
	Returns true if receiver in parallel mode. More...

int	giveRank () const
	Returns domain rank in a group of collaborating processes (0..groupSize-1) More...

int	giveNumberOfProcesses () const
	Returns the number of collaborating processes. More...

EngngModelContext *	giveContext ()
	Context requesting service. More...

virtual int	giveNumberOfSlaveProblems ()
	Returns number of slave problems. More...

virtual EngngModel *	giveSlaveProblem (int i)
	Returns i-th slave problem. More...

virtual bool	giveEquationScalingFlag ()
	Returns the Equation scaling flag, which is used to indicate that governing equation(s) are scaled, or non-dimensionalized. More...

virtual double	giveVariableScale (VarScaleType varId)
	Returns the scale factor for given variable type. More...

virtual void	balanceLoad (TimeStep *tStep)
	Recovers the load balance between processors, if needed. More...

virtual LoadBalancer *	giveLoadBalancer ()
	Returns reference to receiver's load balancer. More...

virtual LoadBalancerMonitor *	giveLoadBalancerMonitor ()
	Returns reference to receiver's load balancer monitor. More...

void	initParallel ()
	Request domain rank and problem size. More...

EngngModel *	giveEngngModel ()
	Returns reference to itself -> required by communicator.h. More...

virtual bool	isElementActivated (int elemNum)

virtual bool	isElementActivated (Element *e)

virtual void	drawYourself (oofegGraphicContext &gc)

virtual void	drawElements (oofegGraphicContext &gc)

virtual void	drawNodes (oofegGraphicContext &gc)

std::string	errorInfo (const char *func) const
	Returns string for prepending output (used by error reporting macros). More...

Protected Member Functions
void	computeLoadVector (FloatArray &answer, ValueModeType mode, TimeStep *tStep)
	Assembles the load vector. More...

void	computeMassMtrx (FloatArray &mass, double &maxOm, TimeStep *tStep)
	Assembles the diagonal mass matrix of receiver. More...

void	computeMassMtrx2 (FloatMatrix &mass, double &maxOm, TimeStep *tStep)

Protected Member Functions inherited from oofem::StructuralEngngModel
void	printReactionForces (TimeStep tStep, int id, FILE out)
	Computes and prints reaction forces, computed from nodal internal forces. More...

virtual void	computeExternalLoadReactionContribution (FloatArray &reactions, TimeStep *tStep, int di)
	Computes the contribution external loading to reaction forces in given domain. More...

virtual void	giveInternalForces (FloatArray &answer, bool normFlag, int di, TimeStep *tStep)
	Evaluates the nodal representation of internal forces by assembling contributions from individual elements. More...

void	updateInternalState (TimeStep *tStep)
	Updates nodal values (calls also this->updateDofUnknownsDictionary for updating dofs unknowns dictionaries if model supports changes of static system). More...

Protected Member Functions inherited from oofem::EngngModel
virtual void	packMigratingData (TimeStep *tStep)
	Packs receiver data when rebalancing load. More...

virtual void	unpackMigratingData (TimeStep *tStep)
	Unpacks receiver data when rebalancing load. More...

Protected Attributes
FloatArray	massMatrix
	Mass matrix. More...

FloatArray	loadVector
	Load vector. More...

FloatArray	previousIncrementOfDisplacementVector
	Vector storing displacement increments. More...

FloatArray	displacementVector
	Displacement, velocity and acceleration vectors. More...

FloatArray	velocityVector

FloatArray	accelerationVector

FloatArray	internalForces
	Vector of real nodal forces. More...

double	dumpingCoef
	Dumping coefficient (C = dumpingCoef * MassMtrx). More...

double	deltaT
	Time step. More...

int	initFlag
	Flag indicating the need for initialization. More...

int	drFlag
	Flag indicating whether dynamic relaxation takes place. More...

FloatArray	loadRefVector
	Reference load vector. More...

double	c
	Parameter determining rate of the loading process. More...

double	pt
	Load level. More...

double	Tau
	End of time interval. More...

double	pyEstimate
	Estimate of loadRefVector^T*displacementVector(Tau). More...

double	pMp
	Product of p^tM^(-1)p; where p is reference load vector. More...

SparseMtrx *	massMatrixConsistent

LinSystSolverType	solverType

SparseMtrxType	sparseMtrxType

SparseLinearSystemNM *	nMethod

Protected Attributes inherited from oofem::StructuralEngngModel
StateCounterType	internalVarUpdateStamp
	Contains last time stamp of internal variable update. More...

FloatArray	internalForcesEBENorm
	Norm of nodal internal forces evaluated on element by element basis (squared) More...

Protected Attributes inherited from oofem::EngngModel
int	ndomains
	Number of receiver domains. More...

std::vector< std::unique_ptr< Domain > >	domainList
	List of problem domains. More...

int	numberOfSteps
	Total number of time steps. More...

int	numberOfEquations
	Total number of equation in current time step. More...

int	numberOfPrescribedEquations
	Total number or prescribed equations in current time step. More...

IntArray	domainNeqs
	Number of equations per domain. More...

IntArray	domainPrescribedNeqs
	Number of prescribed equations per domain. More...

bool	renumberFlag
	Renumbering flag (renumbers equations after each step, necessary if Dirichlet BCs change). More...

bool	profileOpt
	Profile optimized numbering flag (using Sloan's algorithm). More...

int	equationNumberingCompleted
	Equation numbering completed flag. More...

int	nMetaSteps
	Number of meta steps. More...

std::vector< MetaStep >	metaStepList
	List of problem metasteps. More...

std::unique_ptr< TimeStep >	stepWhenIcApply
	Solution step when IC (initial conditions) apply. More...

std::unique_ptr< TimeStep >	currentStep
	Current time step. More...

std::unique_ptr< TimeStep >	previousStep
	Previous time step. More...

int	number
	Receivers id. More...

std::string	dataOutputFileName
	Path to output stream. More...

std::string	coreOutputFileName
	String with core output file name. More...

FILE *	outputStream
	Output stream. More...

std::string	referenceFileName
	String with reference file name. More...

ContextOutputMode	contextOutputMode
	Domain context output mode. More...

int	contextOutputStep

ExportModuleManager *	exportModuleManager
	Export module manager. More...

InitModuleManager *	initModuleManager
	Initialization module manager. More...

problemMode	pMode
	Domain mode. More...

problemScale	pScale
	Multiscale mode. More...

time_t	startTime
	Solution start time. More...

EngngModel *	master
	Master e-model; if defined receiver is in maintained (slave) mode. More...

EngngModelContext *	context
	Context. More...

EngngModelTimer	timer
	E-model timer. More...

int	parallelFlag
	Flag indicating that the receiver runs in parallel. More...

enum fMode	nonLinFormulation
	Type of non linear formulation (total or updated formulation). More...

ErrorEstimator *	defaultErrEstimator
	Error estimator. Useful for adaptivity, or simply printing errors output. More...

int	rank
	Domain rank in a group of collaborating processes (0..groupSize-1). More...

int	numProcs
	Total number of collaborating processes. More...

int	nonlocalExt
	Flag indicating if nonlocal extension active, which will cause data to be sent between shared elements before computing the internal forces. More...

char	processor_name [PROCESSOR_NAME_LENGTH]
	Processor name. More...

MPI_Comm	comm
	Communication object for this engineering model. More...

CommunicatorBuff *	commBuff
	Common Communicator buffer. More...

ProblemCommunicator *	communicator
	Communicator. More...

ProblemCommunicator *	nonlocCommunicator
	NonLocal Communicator. Necessary when nonlocal constitutive models are used. More...

std::vector< ParallelContext >	parallelContextList
	List where parallel contexts are stored. More...

bool	suppressOutput
	Flag for suppressing output to file. More...

std::string	simulationDescription

LoadBalancer *	lb
	Load Balancer. More...

LoadBalancerMonitor *	lbm

bool	loadBalancingFlag
	If set to true, load balancing is active. More...

bool	force_load_rebalance_in_first_step
	Debug flag forcing load balancing after first step. More...

Additional Inherited Members
Public Types inherited from oofem::EngngModel
enum	EngngModel_UpdateMode { EngngModel_Unknown_Mode, EngngModel_SUMM_Mode, EngngModel_SET_Mode }

enum	EngngModelCommType { PC_default, PC_nonlocal }

enum	InitialGuess { IG_None = 0, IG_Tangent = 1 }
	Means to choose methods for finding a good initial guess. More...

Protected Types inherited from oofem::EngngModel
enum	{ InternalForcesExchangeTag, MassExchangeTag, LoadExchangeTag, ReactionExchangeTag, RemoteElementExchangeTag }
	Message tags. More...

Detailed Description

This class implements NonLinear (- may be changed) solution of dynamic problems using Direct Explicit Integration scheme - Central Difference Method.

For efficiency reasons it uses diagonal mass matrix. It is formulated in increments of displacements rather than in total variables.

Solution of this problem is series of loading cases, maintained as sequence of time-steps.

Analysis starts assembling governing equations at time step 0 ( 0 given by boundary and initial cond.) they result in response at time step 1. For time step 0 we need special start code. Because this method is explicit, when solving equations for step t, we obtain solution in step t+dt. But printing is performed for step t. So, when analyst specifies initial conditions, then he/she specifies them in time step 0.

Current implementation supports parallel processing. Both node- and element cut strategies can be used.

In node cut strategy, partitions are divided using cut, which goes through nodes. These cut nodes are called "shared" nodes. Generally, unknown values in shared nodes are composed from local partition contributions as well as from contributions from remote partitions sharing this node. Particularly, masses and real nodal forces have to be exchanged for shared nodes.
In element cut strategy, partitions are divided using cut running through elements. The cut elements are replicated on neighbouring partitions. The nodes belonging to replicated elements belonging to remote partitions are called remote nodes. The are mirrors or remote copies of corresponding nodes on neighbouring partition.
Additional mode has been introduced remote element mode. It introduces the "remote" elements, the exact local mirrors of remote counterparts. Introduced to support general nonlocal constitutive models, in order to provide efficient way, how to average local data without need of fine grain communication.

Definition at line 88 of file nldeidynamic.h.

Constructor & Destructor Documentation

oofem::NlDEIDynamic::NlDEIDynamic	(	int	i,
		EngngModel *	_master = `NULL`
	)

Definition at line 59 of file nldeidynamic.C.

References initFlag, and oofem::EngngModel::ndomains.

oofem::NlDEIDynamic::~NlDEIDynamic ( )

virtual

Definition at line 69 of file nldeidynamic.C.

Member Function Documentation

void oofem::NlDEIDynamic::computeLoadVector	(	FloatArray &	answer,
		ValueModeType	mode,
		TimeStep *	tStep
	)

protected

Assembles the load vector.

If in parallel mode, the loads of shared/remote nodes are exchanged and remote contributions are taken into account.

Parameters

answer	Load vector.
mode	Value type mode of load vector.
tStep	Solution step.

Definition at line 487 of file nldeidynamic.C.

References oofem::EngngModel::assembleVector(), oofem::EngngModel::giveDomain(), oofem::EngngModel::giveNumberOfDomainEquations(), oofem::EngngModel::LoadExchangeTag, oofem::FloatArray::resize(), oofem::EngngModel::updateSharedDofManagers(), and oofem::FloatArray::zero().

Referenced by giveNumberOfFirstStep(), and solveYourselfAt().

void oofem::NlDEIDynamic::computeMassMtrx	(	FloatArray &	mass,
		double &	maxOm,
		TimeStep *	tStep
	)

protected

Assembles the diagonal mass matrix of receiver.

Local or Global variant of zero mass elements replacement is performed. If runs in parallel, the masses of shared nodes are exchanged and remote contributions are added accordingly.

Parameters

mass	Assembled mass matrix.
maxOm	Estimate of eigenfrequency.
tStep	Time step.

Todo:: This rotation matrix is not flexible enough.. it can only work with full size matrices and doesn't allow for flexibility in the matrixassembler.

Todo:: This rotation matrix is not flexible enough.. it can only work with full size matrices and doesn't allow for flexibility in the matrixassembler.

Definition at line 506 of file nldeidynamic.C.

References oofem::IntArray::at(), oofem::FloatArray::at(), oofem::FloatMatrix::at(), oofem::Element_remote, oofem::Element::giveCharacteristicMatrix(), oofem::EngngModel::giveDomain(), oofem::Domain::giveElement(), oofem::Element::giveLocationArray(), oofem::EngngModel::giveNumberOfDomainEquations(), oofem::Domain::giveNumberOfElements(), oofem::FloatMatrix::giveNumberOfRows(), oofem::Element::giveParallelMode(), oofem::EngngModel::giveRank(), oofem::Element::giveRotationMatrix(), oofem::IntArray::giveSize(), oofem::FloatMatrix::isNotEmpty(), oofem::EngngModel::MassExchangeTag, oofem::max(), OOFEM_ERROR, OOFEM_WARNING, oofem::FloatArray::resize(), oofem::FloatMatrix::rotatedWith(), oofem::EngngModel::updateSharedDofManagers(), VERBOSEPARALLEL_PRINT, oofem::FloatArray::zero(), and ZERO_REL_MASS.

Referenced by giveNumberOfFirstStep(), and solveYourselfAt().

void oofem::NlDEIDynamic::computeMassMtrx2	(	FloatMatrix &	mass,
		double &	maxOm,
		TimeStep *	tStep
	)

protected

Referenced by giveNumberOfFirstStep().

int oofem::NlDEIDynamic::estimateMaxPackSize	(	IntArray &	commMap,
		DataStream &	buff,
		int	packUnpackType
	)

virtual

Determines the space necessary for send/receive buffer.

It uses related communication map pattern to determine the maximum size needed.

Parameters

commMap	Communication map used to send/receive messages.
buff	Communication buffer.
packUnpackType	Determines the type of packed quantity, used by receiver to estimate the size of pack/unpack buffer accordingly.

Returns: Upper bound of space needed.

Todo:: Fix this old ProblemCommMode__NODE_CUT value

Reimplemented from oofem::EngngModel.

Definition at line 683 of file nldeidynamic.C.

References oofem::Element::estimatePackSize(), oofem::Domain::giveDofManager(), oofem::EngngModel::giveDomain(), oofem::Domain::giveElement(), oofem::DataStream::givePackSizeOfDouble(), and oofem::max().

Referenced by giveNumberOfFirstStep().

virtual const char* oofem::NlDEIDynamic::giveClassName ( ) const

inlinevirtual

Returns class name of the receiver.

Implements oofem::EngngModel.

Definition at line 153 of file nldeidynamic.h.

virtual fMode oofem::NlDEIDynamic::giveFormulation ( )

inlinevirtual

Indicates type of non linear computation (total or updated formulation).

This is used for example on Nodal level to update coordinates if updated formulation is done, or on element level, when non linear contributions are computed.

Reimplemented from oofem::EngngModel.

Definition at line 154 of file nldeidynamic.h.

References oofem::TL.

virtual const char* oofem::NlDEIDynamic::giveInputRecordName ( ) const

inlinevirtual

Definition at line 152 of file nldeidynamic.h.

References _IFT_NlDEIDynamic_Name.

TimeStep * oofem::NlDEIDynamic::giveNextStep ( )

virtual

Returns next time step (next to current step) of receiver.

Reimplemented from oofem::EngngModel.

Definition at line 156 of file nldeidynamic.C.

References oofem::EngngModel::currentStep, deltaT, and oofem::EngngModel::previousStep.

virtual int oofem::NlDEIDynamic::giveNumberOfFirstStep ( bool force = false )

inlinevirtual

Returns number of first time step used by receiver.

Parameters

force when set to true then receiver reply is returned instead of master (default)

Reimplemented from oofem::EngngModel.

Definition at line 156 of file nldeidynamic.h.

References computeLoadVector(), computeMassMtrx(), computeMassMtrx2(), and estimateMaxPackSize().

NumericalMethod * oofem::NlDEIDynamic::giveNumericalMethod ( MetaStep * mStep )

virtual

Returns reference to receiver's numerical method.

Reimplemented from oofem::EngngModel.

Definition at line 72 of file nldeidynamic.C.

References oofem::classFactory, oofem::ClassFactory::createSparseLinSolver(), oofem::EngngModel::giveDomain(), nMethod, and solverType.

double oofem::NlDEIDynamic::giveUnknownComponent	(	ValueModeType	,
		TimeStep *	,
		Domain *	,
		Dof *
	)

virtual

Returns requested unknown.

Unknown at give time step is characterized by its type and mode and by its equation number. This function is used by Dofs, when they are requested for their associated unknowns.

See also: Dof::giveUnknown

Reimplemented from oofem::EngngModel.

Definition at line 120 of file nldeidynamic.C.

References oofem::Dof::__giveEquationNumber(), accelerationVector, oofem::FloatArray::at(), displacementVector, oofem::EngngModel::giveCurrentStep(), OOFEM_ERROR, previousIncrementOfDisplacementVector, and velocityVector.

IRResultType oofem::NlDEIDynamic::initializeFrom ( InputRecord * ir )

virtual

Initializes receiver according to object description in input reader.

InitString can be imagined as data record in component database belonging to receiver. Receiver may use value-name extracting functions to extract particular field from record.

Reimplemented from oofem::EngngModel.

Definition at line 84 of file nldeidynamic.C.

References _IFT_NlDEIDynamic_deltat, _IFT_NlDEIDynamic_drflag, _IFT_NlDEIDynamic_dumpcoef, _IFT_NlDEIDynamic_nonlocalext, _IFT_NlDEIDynamic_py, _IFT_NlDEIDynamic_tau, oofem::EngngModel::commBuff, oofem::EngngModel::communicator, deltaT, drFlag, dumpingCoef, oofem::EngngModel::giveNumberOfProcesses(), oofem::EngngModel::giveRank(), oofem::InputRecord::hasField(), oofem::EngngModel::initializeFrom(), IR_GIVE_FIELD, IR_GIVE_OPTIONAL_FIELD, oofem::IRRT_OK, oofem::EngngModel::nonlocalExt, oofem::EngngModel::nonlocCommunicator, pyEstimate, and Tau.

void oofem::NlDEIDynamic::printDofOutputAt	(	FILE *	stream,
		Dof *	iDof,
		TimeStep *	tStep
	)

virtual

DOF printing routine.

Called by DofManagers to print Dof specific part. Dof class provides component printing routines, but emodel is responsible for what will be printed at DOF level.

Parameters

stream	output stream
iDof	dof to be processed
tStep	solution step

Reimplemented from oofem::EngngModel.

Definition at line 777 of file nldeidynamic.C.

References oofem::Dof::printMultipleOutputAt().

void oofem::NlDEIDynamic::printOutputAt	(	FILE *	file,
		TimeStep *	tStep
	)

virtual

Prints output of receiver to output domain stream, for given time step.

Corresponding function for element gauss points is invoked (gaussPoint::printOutputAt).

Reimplemented from oofem::StructuralEngngModel.

Definition at line 789 of file nldeidynamic.C.

References oofem::OutputManager::doDofManOutput(), oofem::OutputManager::doElementOutput(), drFlag, oofem::EngngModel::giveDomain(), oofem::TimeStep::giveNumber(), oofem::Domain::giveOutputManager(), oofem::TimeStep::giveTargetTime(), oofem::StructuralEngngModel::printReactionForces(), and pt.

contextIOResultType oofem::NlDEIDynamic::restoreContext	(	DataStream &	stream,
		ContextMode	mode
	)

virtual

Restores the state of model from output stream.

Restores not only the receiver state, but also same function is invoked for all DofManagers and Elements in associated domain. Note that by restoring element context also contexts of all associated integration points (and material statuses) are restored. Each context is associated with unique time step. Only one context per time step is allowed. Restore context function will restore such context, which is related (through its step number) to time step number and version given in obj parameter. Restoring context will change current time step in order to correspond to newly restored context.

Parameters

stream	Context file.
mode	Determines amount of info in stream.

Returns: contextIOResultType.

Exceptions

ContextIOERR exception if error encountered.

Reimplemented from oofem::EngngModel.

Definition at line 744 of file nldeidynamic.C.

References accelerationVector, oofem::CIO_IOERR, oofem::CIO_OK, deltaT, displacementVector, previousIncrementOfDisplacementVector, oofem::DataStream::read(), oofem::EngngModel::restoreContext(), oofem::FloatArray::restoreYourself(), THROW_CIOERR, and velocityVector.

contextIOResultType oofem::NlDEIDynamic::saveContext	(	DataStream &	stream,
		ContextMode	mode
	)

virtual

Stores the state of model to output stream.

Stores not only the receiver state, but also same function is invoked for all DofManagers and Elements in associated domain. Note that by storing element context also contexts of all associated integration points (and material statuses) are stored.

Parameters

stream	Context stream.
mode	Determines amount of info in stream.

Returns: contextIOResultType.

Exceptions

ContextIOERR If error encountered.

Reimplemented from oofem::EngngModel.

Definition at line 712 of file nldeidynamic.C.

References accelerationVector, oofem::CIO_IOERR, oofem::CIO_OK, deltaT, displacementVector, previousIncrementOfDisplacementVector, oofem::EngngModel::saveContext(), oofem::FloatArray::storeYourself(), THROW_CIOERR, velocityVector, and oofem::DataStream::write().

void oofem::NlDEIDynamic::solveYourself ( )

virtual

Starts solution process.

Implementation should invoke for each time step solveYourselfAt function with time step as parameter. Time steps are created using giveNextStep function (this will set current time step to newly created, and updates previous step).

Reimplemented from oofem::EngngModel.

Definition at line 176 of file nldeidynamic.C.

References oofem::EngngModel::giveNumberOfDomainEquations(), oofem::EngngModel::giveRank(), oofem::EngngModel::initializeCommMaps(), oofem::EngngModel::isParallel(), OOFEM_LOG_INFO, and oofem::EngngModel::solveYourself().

void oofem::NlDEIDynamic::solveYourselfAt ( TimeStep * tStep )

virtual

Solves problem for given time step.

Should assemble characteristic matrices and vectors if necessary and solve problem using appropriate numerical method. After finishing solution, this->updateYourself function for updating solution state and then this->terminate function (for updating nodal and element values) should be called.

Reimplemented from oofem::EngngModel.

Definition at line 191 of file nldeidynamic.C.

References accelerationVector, oofem::FloatArray::add(), oofem::FloatArray::at(), c, computeLoadVector(), computeMassMtrx(), deltaT, displacementVector, oofem::DofManager_null, oofem::DofManager_remote, oofem::DofManager_shared, drFlag, dumpingCoef, oofem::Domain::giveDofManager(), oofem::EngngModel::giveDomain(), oofem::StructuralEngngModel::giveInternalForces(), oofem::TimeStep::giveNumber(), oofem::Domain::giveNumberOfDofManagers(), oofem::EngngModel::giveNumberOfDomainEquations(), oofem::DofManager::giveParallelMode(), oofem::DofManager::givePartitionsConnectivitySize(), oofem::TimeStep::giveTargetTime(), oofem::TimeStep::incrementStateCounter(), initFlag, internalForces, oofem::TimeStep::isTheFirstStep(), loadRefVector, loadVector, M_PI, massMatrix, OOFEM_LOG_DEBUG, OOFEM_LOG_RELEVANT, pMp, previousIncrementOfDisplacementVector, pt, pyEstimate, oofem::FloatArray::resize(), oofem::TimeStep::setTimeIncrement(), oofem::FloatArray::subtract(), Tau, velocityVector, and oofem::FloatArray::zero().

void oofem::NlDEIDynamic::updateYourself ( TimeStep * tStep )

virtual

Updates internal state after finishing time step.

(for example total values may be updated according to previously solved increments). Then element values are also updated (together with related integration points and material statuses).

Reimplemented from oofem::StructuralEngngModel.

Definition at line 475 of file nldeidynamic.C.

References oofem::StructuralEngngModel::updateYourself().