OOFEM  2.4
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oofem::DIIDynamic Class Reference

This class implements Direct Implicit Integration of Dynamic problem. More...

#include <diidynamic.h>

+ Inheritance diagram for oofem::DIIDynamic:
+ Collaboration diagram for oofem::DIIDynamic:

Public Member Functions

 DIIDynamic (int i, EngngModel *_master=NULL)
 
virtual ~DIIDynamic ()
 
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 TimeStepgiveNextStep ()
 Returns next time step (next to current step) of receiver. More...
 
virtual NumericalMethodgiveNumericalMethod (MetaStep *mStep)
 Returns reference to receiver's numerical 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 const char * giveClassName () const
 Returns class name of the receiver. More...
 
virtual const char * giveInputRecordName () const
 
virtual fMode giveFormulation ()
 Indicates type of non linear computation (total or updated formulation). More...
 
virtual void printDofOutputAt (FILE *stream, Dof *iDof, TimeStep *tStep)
 DOF printing routine. More...
 
void timesMtrx (FloatArray &answer, FloatArray &vec, CharType type, Domain *domain, TimeStep *tStep)
 
void assembleLoadVector (FloatArray &_loadVector, Domain *domain, ValueModeType mode, TimeStep *tStep)
 
void assembleDirichletBcRhsVector (FloatArray &answer, Domain *d, TimeStep *tStep)
 
void determineConstants (TimeStep *tStep)
 
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...
 
TimeDiscretizationType giveInitialTimeDiscretization ()
 
- 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
 
EngngModeloperator= (const EngngModel &)=delete
 
DomaingiveDomain (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 ErrorEstimatorgiveDomainErrorEstimator (int n)
 Service for accessing ErrorEstimator corresponding to particular domain. More...
 
virtual MaterialInterfacegiveMaterialInterface (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 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...
 
EngngModelgiveMasterEngngModel ()
 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...
 
ProblemCommunicatorgiveProblemCommunicator (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...
 
MetaStepgiveCurrentMetaStep ()
 Returns current meta step. More...
 
virtual TimeStepgiveCurrentStep (bool force=false)
 Returns current time step. More...
 
virtual TimeStepgivePreviousStep (bool force=false)
 Returns previous time step. More...
 
TimeStepgenerateNextStep ()
 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 TimeStepgiveSolutionStepWhenIcApply (bool force=false)
 Returns the solution step when Initial Conditions (IC) apply. More...
 
virtual int giveNumberOfFirstStep (bool force=false)
 Returns number of first time step used by receiver. More...
 
int giveNumberOfMetaSteps ()
 Return number of meta steps. More...
 
MetaStepgiveMetaStep (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...
 
ExportModuleManagergiveExportModuleManager ()
 Returns receiver's export module manager. More...
 
EngngModelTimergiveTimer ()
 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 ParallelContextgiveParallelContext (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...
 
EngngModelContextgiveContext ()
 Context requesting service. More...
 
virtual int giveNumberOfSlaveProblems ()
 Returns number of slave problems. More...
 
virtual EngngModelgiveSlaveProblem (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 int estimateMaxPackSize (IntArray &commMap, DataStream &buff, int packUnpackType)
 Determines the space necessary for send/receive buffer. More...
 
virtual void balanceLoad (TimeStep *tStep)
 Recovers the load balance between processors, if needed. More...
 
virtual LoadBalancergiveLoadBalancer ()
 Returns reference to receiver's load balancer. More...
 
virtual LoadBalancerMonitorgiveLoadBalancerMonitor ()
 Returns reference to receiver's load balancer monitor. More...
 
void initParallel ()
 Request domain rank and problem size. More...
 
EngngModelgiveEngngModel ()
 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 Attributes

bool initFlag
 
std::unique_ptr< SparseMtrxstiffnessMatrix
 
FloatArray loadVector
 
FloatArray previousLoadVector
 
FloatArray rhs
 
FloatArray rhs2
 
FloatArray displacementVector
 
FloatArray velocityVector
 
FloatArray accelerationVector
 
FloatArray previousDisplacementVector
 
FloatArray previousVelocityVector
 
FloatArray previousAccelerationVector
 
FloatArray previousIncrementOfDisplacement
 
FloatArray help
 
double a0
 
double a1
 
double a2
 
double a3
 
double a4
 
double a5
 
double a6
 
double a7
 
double a8
 
double a9
 
double a10
 
double a11
 
double gamma
 
double beta
 
double deltaT
 
double eta
 
double delta
 
double theta
 
LinSystSolverType solverType
 
SparseMtrxType sparseMtrxType
 
TimeDiscretizationType previousTimeDiscretization
 
TimeDiscretizationType initialTimeDiscretization
 
std::unique_ptr< SparseLinearSystemNMnMethod
 Numerical method used to solve the problem. More...
 
- 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< MetaStepmetaStepList
 List of problem metasteps. More...
 
std::unique_ptr< TimeStepstepWhenIcApply
 Solution step when IC (initial conditions) apply. More...
 
std::unique_ptr< TimeStepcurrentStep
 Current time step. More...
 
std::unique_ptr< TimeSteppreviousStep
 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
 
ExportModuleManagerexportModuleManager
 Export module manager. More...
 
InitModuleManagerinitModuleManager
 Initialization module manager. More...
 
problemMode pMode
 Domain mode. More...
 
problemScale pScale
 Multiscale mode. More...
 
time_t startTime
 Solution start time. More...
 
EngngModelmaster
 Master e-model; if defined receiver is in maintained (slave) mode. More...
 
EngngModelContextcontext
 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...
 
ErrorEstimatordefaultErrEstimator
 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...
 
CommunicatorBuffcommBuff
 Common Communicator buffer. More...
 
ProblemCommunicatorcommunicator
 Communicator. More...
 
ProblemCommunicatornonlocCommunicator
 NonLocal Communicator. Necessary when nonlocal constitutive models are used. More...
 
std::vector< ParallelContextparallelContextList
 List where parallel contexts are stored. More...
 
bool suppressOutput
 Flag for suppressing output to file. More...
 
std::string simulationDescription
 
LoadBalancerlb
 Load Balancer. More...
 
LoadBalancerMonitorlbm
 
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...
 
- 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...
 
virtual void printOutputAt (FILE *file, TimeStep *tStep)
 Prints output of receiver to output domain stream, for given time step. 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...
 

Detailed Description

This class implements Direct Implicit Integration of Dynamic problem.

Solution of this problem is series of loading cases, maintained as sequence of time-steps. This solution is in form of linear equation system $ A\cdot x = b $. The damping Matrix is assumed to be modeled as Rayleigh damping ( $ C = \eta M + \delta K $)

Initial conditions is specified at time 0.

Solution procedure described in: A SURVEY OF DIRECT TIME-INTEGRATION METHODS IN COMPUTATIONAL STRUCTURAL DYNAMICS - II. IMPLICIT METHODS K. Subbaraj and M. A. Dokainish Computers & Structures Vol. 32. No. 6. pp. 1387-1401, 1989

Author
Andreas Feymark

Definition at line 73 of file diidynamic.h.

Constructor & Destructor Documentation

oofem::DIIDynamic::DIIDynamic ( int  i,
EngngModel _master = NULL 
)
oofem::DIIDynamic::~DIIDynamic ( )
virtual

Definition at line 61 of file diidynamic.C.

Member Function Documentation

virtual const char* oofem::DIIDynamic::giveClassName ( ) const
inlinevirtual

Returns class name of the receiver.

Implements oofem::EngngModel.

Definition at line 111 of file diidynamic.h.

virtual fMode oofem::DIIDynamic::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 113 of file diidynamic.h.

References assembleDirichletBcRhsVector(), assembleLoadVector(), determineConstants(), printDofOutputAt(), restoreContext(), saveContext(), timesMtrx(), and oofem::TL.

TimeDiscretizationType oofem::DIIDynamic::giveInitialTimeDiscretization ( )
inline
virtual const char* oofem::DIIDynamic::giveInputRecordName ( ) const
inlinevirtual

Definition at line 112 of file diidynamic.h.

References _IFT_DIIDynamic_Name.

TimeStep * oofem::DIIDynamic::giveNextStep ( )
virtual

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

Reimplemented from oofem::EngngModel.

Definition at line 174 of file diidynamic.C.

References oofem::EngngModel::currentStep, deltaT, oofem::EngngModel::giveNumberOfFirstStep(), initialTimeDiscretization, oofem::EngngModel::previousStep, and oofem::TD_ThreePointBackward.

NumericalMethod * oofem::DIIDynamic::giveNumericalMethod ( MetaStep mStep)
virtual

Returns reference to receiver's numerical method.

Reimplemented from oofem::EngngModel.

Definition at line 65 of file diidynamic.C.

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

double oofem::DIIDynamic::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 140 of file diidynamic.C.

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

IRResultType oofem::DIIDynamic::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 83 of file diidynamic.C.

References _IFT_DIIDynamic_beta, _IFT_DIIDynamic_ddtScheme, _IFT_DIIDynamic_delta, _IFT_DIIDynamic_deltat, _IFT_DIIDynamic_eta, _IFT_DIIDynamic_gamma, _IFT_DIIDynamic_theta, _IFT_EngngModel_lstype, _IFT_EngngModel_smtype, beta, delta, deltaT, eta, gamma, oofem::EngngModel::initializeFrom(), initialTimeDiscretization, IR_GIVE_FIELD, IR_GIVE_OPTIONAL_FIELD, oofem::IRRT_BAD_FORMAT, oofem::IRRT_OK, OOFEM_LOG_INFO, OOFEM_WARNING, solverType, sparseMtrxType, oofem::TD_Newmark, oofem::TD_ThreePointBackward, oofem::TD_TwoPointBackward, oofem::TD_Wilson, and theta.

void oofem::DIIDynamic::initializeYourself ( TimeStep tStep)
virtual

Provides the opportunity to initialize state variables stored in element integration points according to initial conditions using function initializeYourself() on element level.

Should be called when current time step is time step when IC will apply (see EngngModel::giveNumberOfTimeStepWhenIcApply) somewhere from solveYourselfAt function). Implementation must be provided. Default implementation is empty.

Reimplemented from oofem::EngngModel.

Definition at line 199 of file diidynamic.C.

References accelerationVector, oofem::FloatArray::at(), deltaT, displacementVector, oofem::Domain::giveDofManagers(), oofem::EngngModel::giveDomain(), oofem::EngngModel::giveNumberOfDomainEquations(), oofem::EngngModel::giveNumberOfTimeStepWhenIcApply(), oofem::TimeStep::isTheFirstStep(), loadVector, previousIncrementOfDisplacement, oofem::FloatArray::resize(), oofem::EngngModel::stepWhenIcApply, velocityVector, and oofem::FloatArray::zero().

void oofem::DIIDynamic::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
streamoutput stream
iDofdof to be processed
tStepsolution step

Reimplemented from oofem::EngngModel.

Definition at line 414 of file diidynamic.C.

References oofem::Dof::printMultipleOutputAt().

Referenced by giveFormulation().

contextIOResultType oofem::DIIDynamic::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
streamContext file.
modeDetermines amount of info in stream.
Returns
contextIOResultType.
Exceptions
ContextIOERRexception if error encountered.

Reimplemented from oofem::EngngModel.

Definition at line 655 of file diidynamic.C.

References accelerationVector, oofem::CIO_OK, displacementVector, loadVector, previousIncrementOfDisplacement, oofem::EngngModel::restoreContext(), oofem::FloatArray::restoreYourself(), THROW_CIOERR, and velocityVector.

Referenced by giveFormulation().

contextIOResultType oofem::DIIDynamic::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
streamContext stream.
modeDetermines amount of info in stream.
Returns
contextIOResultType.
Exceptions
ContextIOERRIf error encountered.

Reimplemented from oofem::EngngModel.

Definition at line 624 of file diidynamic.C.

References accelerationVector, oofem::CIO_OK, displacementVector, loadVector, previousIncrementOfDisplacement, oofem::EngngModel::saveContext(), oofem::FloatArray::storeYourself(), THROW_CIOERR, and velocityVector.

Referenced by giveFormulation().

void oofem::DIIDynamic::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 243 of file diidynamic.C.

References oofem::EngngModel::solveYourself().

void oofem::DIIDynamic::solveYourselfAt ( TimeStep tStep)
virtual
void oofem::DIIDynamic::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 401 of file diidynamic.C.

References accelerationVector, oofem::FloatArray::beDifferenceOf(), displacementVector, loadVector, previousAccelerationVector, previousDisplacementVector, previousIncrementOfDisplacement, previousLoadVector, previousVelocityVector, oofem::StructuralEngngModel::updateYourself(), and velocityVector.

Member Data Documentation

double oofem::DIIDynamic::a0
protected

Definition at line 83 of file diidynamic.h.

Referenced by determineConstants(), and solveYourselfAt().

double oofem::DIIDynamic::a1
protected

Definition at line 83 of file diidynamic.h.

Referenced by determineConstants(), and solveYourselfAt().

double oofem::DIIDynamic::a10
protected

Definition at line 83 of file diidynamic.h.

Referenced by determineConstants(), and solveYourselfAt().

double oofem::DIIDynamic::a11
protected

Definition at line 83 of file diidynamic.h.

Referenced by determineConstants(), and solveYourselfAt().

double oofem::DIIDynamic::a2
protected

Definition at line 83 of file diidynamic.h.

Referenced by determineConstants(), and solveYourselfAt().

double oofem::DIIDynamic::a3
protected

Definition at line 83 of file diidynamic.h.

Referenced by determineConstants(), and solveYourselfAt().

double oofem::DIIDynamic::a4
protected

Definition at line 83 of file diidynamic.h.

Referenced by determineConstants(), and solveYourselfAt().

double oofem::DIIDynamic::a5
protected

Definition at line 83 of file diidynamic.h.

Referenced by determineConstants(), and solveYourselfAt().

double oofem::DIIDynamic::a6
protected

Definition at line 83 of file diidynamic.h.

Referenced by determineConstants(), and solveYourselfAt().

double oofem::DIIDynamic::a7
protected

Definition at line 83 of file diidynamic.h.

Referenced by determineConstants(), and solveYourselfAt().

double oofem::DIIDynamic::a8
protected

Definition at line 83 of file diidynamic.h.

Referenced by determineConstants(), and solveYourselfAt().

double oofem::DIIDynamic::a9
protected

Definition at line 83 of file diidynamic.h.

Referenced by determineConstants(), and solveYourselfAt().

FloatArray oofem::DIIDynamic::accelerationVector
protected
double oofem::DIIDynamic::beta
protected

Definition at line 84 of file diidynamic.h.

Referenced by determineConstants(), and initializeFrom().

double oofem::DIIDynamic::delta
protected

Definition at line 85 of file diidynamic.h.

Referenced by assembleDirichletBcRhsVector(), initializeFrom(), and solveYourselfAt().

double oofem::DIIDynamic::deltaT
protected
FloatArray oofem::DIIDynamic::displacementVector
protected
double oofem::DIIDynamic::eta
protected

Definition at line 85 of file diidynamic.h.

Referenced by assembleDirichletBcRhsVector(), initializeFrom(), and solveYourselfAt().

double oofem::DIIDynamic::gamma
protected

Definition at line 84 of file diidynamic.h.

Referenced by determineConstants(), and initializeFrom().

FloatArray oofem::DIIDynamic::help
protected

Definition at line 82 of file diidynamic.h.

Referenced by solveYourselfAt().

bool oofem::DIIDynamic::initFlag
protected

Definition at line 76 of file diidynamic.h.

Referenced by DIIDynamic(), and solveYourselfAt().

TimeDiscretizationType oofem::DIIDynamic::initialTimeDiscretization
protected
FloatArray oofem::DIIDynamic::loadVector
protected
std :: unique_ptr< SparseLinearSystemNM > oofem::DIIDynamic::nMethod
protected

Numerical method used to solve the problem.

Definition at line 95 of file diidynamic.h.

Referenced by giveNumericalMethod(), and solveYourselfAt().

FloatArray oofem::DIIDynamic::previousAccelerationVector
protected

Definition at line 80 of file diidynamic.h.

Referenced by solveYourselfAt(), and updateYourself().

FloatArray oofem::DIIDynamic::previousDisplacementVector
protected

Definition at line 80 of file diidynamic.h.

Referenced by solveYourselfAt(), and updateYourself().

FloatArray oofem::DIIDynamic::previousIncrementOfDisplacement
protected
FloatArray oofem::DIIDynamic::previousLoadVector
protected

Definition at line 78 of file diidynamic.h.

Referenced by solveYourselfAt(), and updateYourself().

TimeDiscretizationType oofem::DIIDynamic::previousTimeDiscretization
protected

Definition at line 91 of file diidynamic.h.

FloatArray oofem::DIIDynamic::previousVelocityVector
protected

Definition at line 80 of file diidynamic.h.

Referenced by solveYourselfAt(), and updateYourself().

FloatArray oofem::DIIDynamic::rhs
protected

Definition at line 78 of file diidynamic.h.

Referenced by solveYourselfAt().

FloatArray oofem::DIIDynamic::rhs2
protected

Definition at line 78 of file diidynamic.h.

Referenced by solveYourselfAt().

LinSystSolverType oofem::DIIDynamic::solverType
protected

Definition at line 88 of file diidynamic.h.

Referenced by giveNumericalMethod(), and initializeFrom().

SparseMtrxType oofem::DIIDynamic::sparseMtrxType
protected

Definition at line 89 of file diidynamic.h.

Referenced by initializeFrom(), and solveYourselfAt().

std :: unique_ptr< SparseMtrx > oofem::DIIDynamic::stiffnessMatrix
protected

Definition at line 77 of file diidynamic.h.

Referenced by solveYourselfAt().

double oofem::DIIDynamic::theta
protected

Definition at line 86 of file diidynamic.h.

Referenced by determineConstants(), initializeFrom(), and solveYourselfAt().

FloatArray oofem::DIIDynamic::velocityVector
protected

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

This page is part of the OOFEM documentation. Copyright (c) 2011 Borek Patzak
Project e-mail: info@oofem.org
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