LOCA::MultiContinuation::ExtendedGroup Class Reference

Base class for all continuation groups. More...

#include <LOCA_MultiContinuation_ExtendedGroup.H>

Inheritance diagram for LOCA::MultiContinuation::ExtendedGroup:

Inheritance graph
[legend]
Collaboration diagram for LOCA::MultiContinuation::ExtendedGroup:

Collaboration graph
[legend]

List of all members.

Public Member Functions

 ExtendedGroup (const ExtendedGroup &source, NOX::CopyType type=NOX::DeepCopy)
 Copy constructor.
virtual ~ExtendedGroup ()
 Destructor.
Implementation of NOX::Abstract::Group virtual methods
virtual NOX::Abstract::Groupoperator= (const NOX::Abstract::Group &source)
 Assignment operator.
virtual Teuchos::RCP
< NOX::Abstract::Group
clone (NOX::CopyType type=NOX::DeepCopy) const
 Cloning function.
virtual void setX (const NOX::Abstract::Vector &y)
 Set the solution vector to y.
virtual void computeX (const NOX::Abstract::Group &g, const NOX::Abstract::Vector &d, double step)
 Compute and return solution vector, x, where this.x = grp.x + step * d.
virtual
NOX::Abstract::Group::ReturnType 
computeF ()
 Compute extended continuation equations.
virtual
NOX::Abstract::Group::ReturnType 
computeJacobian ()
 Compute extended continuation jacobian.
virtual
NOX::Abstract::Group::ReturnType 
computeGradient ()
 Gradient is not defined for this system.
virtual
NOX::Abstract::Group::ReturnType 
computeNewton (Teuchos::ParameterList &params)
 Compute Newton direction for extended continuation system.
virtual
NOX::Abstract::Group::ReturnType 
applyJacobian (const NOX::Abstract::Vector &input, NOX::Abstract::Vector &result) const
 Applies Jacobian for extended system.
virtual
NOX::Abstract::Group::ReturnType 
applyJacobianTranspose (const NOX::Abstract::Vector &input, NOX::Abstract::Vector &result) const
 Jacobian transpose not defined for this system.
virtual
NOX::Abstract::Group::ReturnType 
applyJacobianInverse (Teuchos::ParameterList &params, const NOX::Abstract::Vector &input, NOX::Abstract::Vector &result) const
 Applies Jacobian inverse for extended system.
virtual
NOX::Abstract::Group::ReturnType 
applyJacobianMultiVector (const NOX::Abstract::MultiVector &input, NOX::Abstract::MultiVector &result) const
 Applies Jacobian for extended system.
virtual
NOX::Abstract::Group::ReturnType 
applyJacobianTransposeMultiVector (const NOX::Abstract::MultiVector &input, NOX::Abstract::MultiVector &result) const
 Jacobian transpose not defined for this system.
virtual
NOX::Abstract::Group::ReturnType 
applyJacobianInverseMultiVector (Teuchos::ParameterList &params, const NOX::Abstract::MultiVector &input, NOX::Abstract::MultiVector &result) const
 Applies Jacobian inverse for extended system.
virtual bool isF () const
 Return true if extended residual is valid.
virtual bool isJacobian () const
 Return true if the extended Jacobian is valid.
virtual bool isGradient () const
 Always returns false.
virtual bool isNewton () const
 Return true if the extended Newton direction is valid.
virtual const
NOX::Abstract::Vector
getX () const
 Return extended solution vector.
virtual const
NOX::Abstract::Vector
getF () const
 Return extended residual.
virtual double getNormF () const
 Return 2-norm of extended residual.
virtual const
NOX::Abstract::Vector
getGradient () const
 Gradient is never valid.
virtual const
NOX::Abstract::Vector
getNewton () const
 Return extended Newton direction.
virtual double getNormNewtonSolveResidual () const
 Returns 2-norm of extended Newton solve residual.
Implementation of LOCA::Extended::MultiAbstractGroup
virtual methods

virtual Teuchos::RCP< const
LOCA::MultiContinuation::AbstractGroup
getUnderlyingGroup () const
 Return underlying group.
virtual Teuchos::RCP
< LOCA::MultiContinuation::AbstractGroup
getUnderlyingGroup ()
 Return underlying group.
Implementation of LOCA::MultiContinuation::AbstractStrategy
virtual methods

virtual void copy (const NOX::Abstract::Group &source)
 Assignment operator.
virtual int getNumParams () const
 Returns number of parameters.
virtual void preProcessContinuationStep (LOCA::Abstract::Iterator::StepStatus stepStatus)
 Perform any preprocessing before a continuation step starts.
virtual void postProcessContinuationStep (LOCA::Abstract::Iterator::StepStatus stepStatus)
 Perform any postprocessing after a continuation step finishes.
virtual
NOX::Abstract::Group::ReturnType 
computePredictor ()
 Compute predictor directions.
virtual bool isPredictor () const
 Is Predictor valid.
virtual void scaleTangent ()
 Scales tangent to predictor.
virtual void setPredictorTangentDirection (const LOCA::MultiContinuation::ExtendedVector &v, int i)
 Sets tangent to predictor.
virtual const
LOCA::MultiContinuation::ExtendedMultiVector
getPredictorTangent () const
 Returns tangent to predictor.
virtual const
LOCA::MultiContinuation::ExtendedMultiVector
getScaledPredictorTangent () const
 Returns scaled tangent to predictor.
virtual void setPrevX (const NOX::Abstract::Vector &y)
 Set the previous solution vector y.
virtual const
LOCA::MultiContinuation::ExtendedVector
getPrevX () const
 Gets the previous solution vector.
virtual void setStepSize (double deltaS, int i=0)
 Set step size for continuation constraint equation i.
virtual double getStepSize (int i=0) const
 Get step size for continuation constraint equation i.
virtual void setContinuationParameter (double val, int i=0)
 Sets the value for continuation parameter i.
virtual double getContinuationParameter (int i=0) const
 Returns the value for continuation parameter i.
virtual int getContinuationParameterID (int i=0) const
 Get the continuation parameter id for parameter i.
virtual const vector< int > & getContinuationParameterIDs () const
 Get the continuation parameter ids.
virtual string getContinuationParameterName (int i=0) const
 Get the continuation parameter id for parameter i.
virtual double getStepSizeScaleFactor (int i=0) const
 Returns step size scale factor for constraint equation i.
virtual void printSolution () const
 Prints the group.
virtual double computeScaledDotProduct (const NOX::Abstract::Vector &x, const NOX::Abstract::Vector &y) const
 Computes a scaled dot product between two continuation vectors.
virtual int projectToDrawDimension () const
 Returns dimension of project to draw array.
virtual void projectToDraw (const LOCA::MultiContinuation::ExtendedVector &x, double *px) const
 Fills the project to draw array.
Implementation of
virtual int getBorderedWidth () const
 Return the total width of the bordered rows/columns.
virtual Teuchos::RCP< const
NOX::Abstract::Group
getUnborderedGroup () const
 Get bottom-level unbordered group.
virtual bool isCombinedAZero () const
 Indicates whether combined A block is zero.
virtual bool isCombinedBZero () const
 Indicates whether combined B block is zero.
virtual bool isCombinedCZero () const
 Indicates whether combined C block is zero.
virtual void extractSolutionComponent (const NOX::Abstract::MultiVector &v, NOX::Abstract::MultiVector &v_x) const
virtual void extractParameterComponent (bool use_transpose, const NOX::Abstract::MultiVector &v, NOX::Abstract::MultiVector::DenseMatrix &v_p) const
virtual void loadNestedComponents (const NOX::Abstract::MultiVector &v_x, const NOX::Abstract::MultiVector::DenseMatrix &v_p, NOX::Abstract::MultiVector &v) const
virtual void fillA (NOX::Abstract::MultiVector &A) const
 Fill the combined A block as described above.
virtual void fillB (NOX::Abstract::MultiVector &B) const
 Fill the combined B block as described above.
virtual void fillC (NOX::Abstract::MultiVector::DenseMatrix &C) const
 Fill the combined C block as described above.

Protected Member Functions

 ExtendedGroup (const Teuchos::RCP< LOCA::GlobalData > &global_data, const Teuchos::RCP< LOCA::Parameter::SublistParser > &topParams, const Teuchos::RCP< Teuchos::ParameterList > &continuationParams, const Teuchos::RCP< LOCA::MultiContinuation::AbstractGroup > &grp, const Teuchos::RCP< LOCA::MultiPredictor::AbstractStrategy > &pred, const vector< int > &paramIDs)
 Constructor used by derived classes.
virtual void setConstraints (const Teuchos::RCP< LOCA::MultiContinuation::ConstraintInterface > &constraints, bool skip_dfdp)
 Set constraint object.

Protected Attributes

Teuchos::RCP< LOCA::GlobalDataglobalData
 Pointer LOCA global data object.
Teuchos::RCP
< LOCA::Parameter::SublistParser
parsedParams
 Parsed top-level parameters.
Teuchos::RCP
< Teuchos::ParameterList > 
continuationParams
 Continuation parameter list.
Teuchos::RCP
< LOCA::MultiContinuation::AbstractGroup
grpPtr
 Pointer to underlying group.
Teuchos::RCP
< LOCA::MultiPredictor::AbstractStrategy
predictor
 Pointer to predictor object.
Teuchos::RCP
< LOCA::MultiContinuation::ConstrainedGroup
conGroup
 Pointer to constrained group implementation.
int numParams
 Number of parameters.
LOCA::MultiContinuation::ExtendedMultiVector tangentMultiVec
 Stores the tangent to the predictor.
LOCA::MultiContinuation::ExtendedMultiVector scaledTangentMultiVec
 Stores the scaled tangent to the predictor.
LOCA::MultiContinuation::ExtendedVector prevXVec
 Stores the previous extended solution vector.
vector< int > conParamIDs
 integer id of continuation parameters
vector< double > stepSize
 continuation step size
vector< double > stepSizeScaleFactor
 step size scale factors
bool isValidPredictor
 Is Predictor vector valid.
bool baseOnSecant
 Flag indicating whether to base predictor direction on secant.

Private Member Functions

ExtendedGroupoperator= (const ExtendedGroup &source)
 Prohibit generation and use of operator=().


Detailed Description

Base class for all continuation groups.

Continuation is defined as computing some curve $(x(s),p(s))\in\Re^{n+1}$ such that $F(x(s),p(s))=0$ for some parameterization $s$. Given some point $(x_0,p_0)$ on the curve, another nearby point on the curve is calculated by first computing a predictor direction $v\in\Re^{n+1}$ and the approximate point $(x^\ast,p^\ast) = (x_0,p_0) + v\Delta s$ where $\Delta s$ is the step size. Then the next point on the curve is computed by solving the extended set of equations

\[ \begin{array}{cc} F(x,p) &= 0 \\ g(x,p,x_0,p_0,x^\ast,p^\ast,v,\Delta s) &= 0 \end{array} \]

for $(x,p)$. The equation $g(x,p,x_0,p_0,x^\ast,p^\ast,v,\Delta s)=0$ is called the continuation equation and different choices of $g$ yield different continuation methods.

Mathematically, this computation amounts to repeatedly computing solutions to a constrained nonlinear system. This class provides a common implementation for all continuation groups in terms of the LOCA::MultiContinuation::ConstrainedGroup using a supplied group to represent $F$ and an implementation of LOCA::MultiContinuation::ConstraintInterface to represent $g$.

Note that this class has no public constructor other than the copy constructor since it is intended to only provide an implemenation of much of the continuation work. Each derived class that implements a specific continuation strategy should provide its own public constructor.

Definition at line 111 of file LOCA_MultiContinuation_ExtendedGroup.H.


Constructor & Destructor Documentation

LOCA::MultiContinuation::ExtendedGroup::ExtendedGroup ( const ExtendedGroup source,
NOX::CopyType  type = NOX::DeepCopy 
)

Copy constructor.

Definition at line 54 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup, NOX::DeepCopy, grpPtr, isValidPredictor, and predictor.

Referenced by clone().

LOCA::MultiContinuation::ExtendedGroup::~ExtendedGroup (  )  [virtual]

Destructor.

Definition at line 81 of file LOCA_MultiContinuation_ExtendedGroup.C.

LOCA::MultiContinuation::ExtendedGroup::ExtendedGroup ( const Teuchos::RCP< LOCA::GlobalData > &  global_data,
const Teuchos::RCP< LOCA::Parameter::SublistParser > &  topParams,
const Teuchos::RCP< Teuchos::ParameterList > &  continuationParams,
const Teuchos::RCP< LOCA::MultiContinuation::AbstractGroup > &  grp,
const Teuchos::RCP< LOCA::MultiPredictor::AbstractStrategy > &  pred,
const vector< int > &  paramIDs 
) [protected]

Constructor used by derived classes.

Definition at line 577 of file LOCA_MultiContinuation_ExtendedGroup.C.


Member Function Documentation

NOX::Abstract::Group & LOCA::MultiContinuation::ExtendedGroup::operator= ( const NOX::Abstract::Group source  )  [virtual]

Assignment operator.

Implements NOX::Abstract::Group.

Reimplemented in LOCA::MultiContinuation::ArcLengthGroup, and LOCA::MultiContinuation::NaturalGroup.

Definition at line 86 of file LOCA_MultiContinuation_ExtendedGroup.C.

References copy().

Teuchos::RCP< NOX::Abstract::Group > LOCA::MultiContinuation::ExtendedGroup::clone ( NOX::CopyType  type = NOX::DeepCopy  )  const [virtual]

void LOCA::MultiContinuation::ExtendedGroup::setX ( const NOX::Abstract::Vector y  )  [virtual]

Set the solution vector to y.

Implements NOX::Abstract::Group.

Definition at line 100 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

void LOCA::MultiContinuation::ExtendedGroup::computeX ( const NOX::Abstract::Group g,
const NOX::Abstract::Vector d,
double  step 
) [virtual]

Compute and return solution vector, x, where this.x = grp.x + step * d.

Implements NOX::Abstract::Group.

Definition at line 106 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

NOX::Abstract::Group::ReturnType LOCA::MultiContinuation::ExtendedGroup::computeF (  )  [virtual]

Compute extended continuation equations.

Implements NOX::Abstract::Group.

Definition at line 118 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

NOX::Abstract::Group::ReturnType LOCA::MultiContinuation::ExtendedGroup::computeJacobian (  )  [virtual]

Compute extended continuation jacobian.

Reimplemented from NOX::Abstract::Group.

Definition at line 124 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

NOX::Abstract::Group::ReturnType LOCA::MultiContinuation::ExtendedGroup::computeGradient (  )  [virtual]

Gradient is not defined for this system.

Reimplemented from NOX::Abstract::Group.

Definition at line 130 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

NOX::Abstract::Group::ReturnType LOCA::MultiContinuation::ExtendedGroup::computeNewton ( Teuchos::ParameterList &  params  )  [virtual]

Compute Newton direction for extended continuation system.

Reimplemented from NOX::Abstract::Group.

Definition at line 136 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

NOX::Abstract::Group::ReturnType LOCA::MultiContinuation::ExtendedGroup::applyJacobian ( const NOX::Abstract::Vector input,
NOX::Abstract::Vector result 
) const [virtual]

Applies Jacobian for extended system.

Reimplemented from NOX::Abstract::Group.

Definition at line 143 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

NOX::Abstract::Group::ReturnType LOCA::MultiContinuation::ExtendedGroup::applyJacobianTranspose ( const NOX::Abstract::Vector input,
NOX::Abstract::Vector result 
) const [virtual]

Jacobian transpose not defined for this system.

Reimplemented from NOX::Abstract::Group.

Definition at line 151 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

NOX::Abstract::Group::ReturnType LOCA::MultiContinuation::ExtendedGroup::applyJacobianInverse ( Teuchos::ParameterList &  params,
const NOX::Abstract::Vector input,
NOX::Abstract::Vector result 
) const [virtual]

Applies Jacobian inverse for extended system.

Reimplemented from NOX::Abstract::Group.

Definition at line 159 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

NOX::Abstract::Group::ReturnType LOCA::MultiContinuation::ExtendedGroup::applyJacobianMultiVector ( const NOX::Abstract::MultiVector input,
NOX::Abstract::MultiVector result 
) const [virtual]

Applies Jacobian for extended system.

Reimplemented from NOX::Abstract::Group.

Definition at line 168 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

NOX::Abstract::Group::ReturnType LOCA::MultiContinuation::ExtendedGroup::applyJacobianTransposeMultiVector ( const NOX::Abstract::MultiVector input,
NOX::Abstract::MultiVector result 
) const [virtual]

Jacobian transpose not defined for this system.

Reimplemented from NOX::Abstract::Group.

Definition at line 176 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

NOX::Abstract::Group::ReturnType LOCA::MultiContinuation::ExtendedGroup::applyJacobianInverseMultiVector ( Teuchos::ParameterList &  params,
const NOX::Abstract::MultiVector input,
NOX::Abstract::MultiVector result 
) const [virtual]

Applies Jacobian inverse for extended system.

Reimplemented from NOX::Abstract::Group.

Definition at line 184 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

bool LOCA::MultiContinuation::ExtendedGroup::isF (  )  const [virtual]

Return true if extended residual is valid.

Implements NOX::Abstract::Group.

Definition at line 193 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

bool LOCA::MultiContinuation::ExtendedGroup::isJacobian (  )  const [virtual]

Return true if the extended Jacobian is valid.

Reimplemented from NOX::Abstract::Group.

Definition at line 199 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

bool LOCA::MultiContinuation::ExtendedGroup::isGradient (  )  const [virtual]

Always returns false.

Reimplemented from NOX::Abstract::Group.

Definition at line 205 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

bool LOCA::MultiContinuation::ExtendedGroup::isNewton (  )  const [virtual]

Return true if the extended Newton direction is valid.

Reimplemented from NOX::Abstract::Group.

Definition at line 211 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

const NOX::Abstract::Vector & LOCA::MultiContinuation::ExtendedGroup::getX (  )  const [virtual]

Return extended solution vector.

Implements NOX::Abstract::Group.

Definition at line 217 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

Referenced by computePredictor().

const NOX::Abstract::Vector & LOCA::MultiContinuation::ExtendedGroup::getF (  )  const [virtual]

Return extended residual.

Implements NOX::Abstract::Group.

Definition at line 223 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

double LOCA::MultiContinuation::ExtendedGroup::getNormF (  )  const [virtual]

Return 2-norm of extended residual.

Implements NOX::Abstract::Group.

Definition at line 229 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

const NOX::Abstract::Vector & LOCA::MultiContinuation::ExtendedGroup::getGradient (  )  const [virtual]

Gradient is never valid.

Implements NOX::Abstract::Group.

Definition at line 235 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

const NOX::Abstract::Vector & LOCA::MultiContinuation::ExtendedGroup::getNewton (  )  const [virtual]

Return extended Newton direction.

Implements NOX::Abstract::Group.

Definition at line 241 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

double LOCA::MultiContinuation::ExtendedGroup::getNormNewtonSolveResidual (  )  const [virtual]

Returns 2-norm of extended Newton solve residual.

Definition at line 247 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

Teuchos::RCP< const LOCA::MultiContinuation::AbstractGroup > LOCA::MultiContinuation::ExtendedGroup::getUnderlyingGroup (  )  const [virtual]

Return underlying group.

Implements LOCA::Extended::MultiAbstractGroup.

Definition at line 253 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

Referenced by LOCA::MultiPredictor::Tangent::compute(), and LOCA::Stepper::start().

Teuchos::RCP< LOCA::MultiContinuation::AbstractGroup > LOCA::MultiContinuation::ExtendedGroup::getUnderlyingGroup (  )  [virtual]

Return underlying group.

Implements LOCA::Extended::MultiAbstractGroup.

Definition at line 259 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

void LOCA::MultiContinuation::ExtendedGroup::copy ( const NOX::Abstract::Group source  )  [virtual]

int LOCA::MultiContinuation::ExtendedGroup::getNumParams (  )  const [virtual]

Returns number of parameters.

Implements LOCA::MultiContinuation::AbstractStrategy.

Definition at line 292 of file LOCA_MultiContinuation_ExtendedGroup.C.

References numParams.

void LOCA::MultiContinuation::ExtendedGroup::preProcessContinuationStep ( LOCA::Abstract::Iterator::StepStatus  stepStatus  )  [virtual]

Perform any preprocessing before a continuation step starts.

The stepStatus argument indicates whether the previous step was successful.

Implements LOCA::MultiContinuation::AbstractStrategy.

Definition at line 298 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

void LOCA::MultiContinuation::ExtendedGroup::postProcessContinuationStep ( LOCA::Abstract::Iterator::StepStatus  stepStatus  )  [virtual]

Perform any postprocessing after a continuation step finishes.

The stepStatus argument indicates whether the step was successful.

Implements LOCA::MultiContinuation::AbstractStrategy.

Definition at line 305 of file LOCA_MultiContinuation_ExtendedGroup.C.

References baseOnSecant, conGroup, isValidPredictor, and LOCA::Abstract::Iterator::Successful.

NOX::Abstract::Group::ReturnType LOCA::MultiContinuation::ExtendedGroup::computePredictor (  )  [virtual]

bool LOCA::MultiContinuation::ExtendedGroup::isPredictor (  )  const [virtual]

Is Predictor valid.

Implements LOCA::MultiContinuation::AbstractStrategy.

Definition at line 347 of file LOCA_MultiContinuation_ExtendedGroup.C.

References isValidPredictor.

void LOCA::MultiContinuation::ExtendedGroup::scaleTangent (  )  [virtual]

void LOCA::MultiContinuation::ExtendedGroup::setPredictorTangentDirection ( const LOCA::MultiContinuation::ExtendedVector v,
int  i 
) [virtual]

Sets tangent to predictor.

This is required by MF which takes the tangent space, orthogonalizes it, and then sets it back in the group.

Implements LOCA::MultiContinuation::AbstractStrategy.

Definition at line 373 of file LOCA_MultiContinuation_ExtendedGroup.C.

References tangentMultiVec.

const LOCA::MultiContinuation::ExtendedMultiVector & LOCA::MultiContinuation::ExtendedGroup::getPredictorTangent (  )  const [virtual]

Returns tangent to predictor.

Implements LOCA::MultiContinuation::AbstractStrategy.

Definition at line 381 of file LOCA_MultiContinuation_ExtendedGroup.C.

References tangentMultiVec.

const LOCA::MultiContinuation::ExtendedMultiVector & LOCA::MultiContinuation::ExtendedGroup::getScaledPredictorTangent (  )  const [virtual]

Returns scaled tangent to predictor.

Implements LOCA::MultiContinuation::AbstractStrategy.

Definition at line 388 of file LOCA_MultiContinuation_ExtendedGroup.C.

References scaledTangentMultiVec.

void LOCA::MultiContinuation::ExtendedGroup::setPrevX ( const NOX::Abstract::Vector y  )  [virtual]

Set the previous solution vector y.

Implements LOCA::MultiContinuation::AbstractStrategy.

Definition at line 394 of file LOCA_MultiContinuation_ExtendedGroup.C.

References prevXVec.

const LOCA::MultiContinuation::ExtendedVector & LOCA::MultiContinuation::ExtendedGroup::getPrevX (  )  const [virtual]

Gets the previous solution vector.

Implements LOCA::MultiContinuation::AbstractStrategy.

Definition at line 401 of file LOCA_MultiContinuation_ExtendedGroup.C.

References prevXVec.

void LOCA::MultiContinuation::ExtendedGroup::setStepSize ( double  deltaS,
int  i = 0 
) [virtual]

Set step size for continuation constraint equation i.

Implements LOCA::MultiContinuation::AbstractStrategy.

Definition at line 407 of file LOCA_MultiContinuation_ExtendedGroup.C.

References stepSize.

double LOCA::MultiContinuation::ExtendedGroup::getStepSize ( int  i = 0  )  const [virtual]

Get step size for continuation constraint equation i.

Implements LOCA::MultiContinuation::AbstractStrategy.

Definition at line 413 of file LOCA_MultiContinuation_ExtendedGroup.C.

References stepSize.

void LOCA::MultiContinuation::ExtendedGroup::setContinuationParameter ( double  val,
int  i = 0 
) [virtual]

Sets the value for continuation parameter i.

Implements LOCA::MultiContinuation::AbstractStrategy.

Definition at line 419 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

double LOCA::MultiContinuation::ExtendedGroup::getContinuationParameter ( int  i = 0  )  const [virtual]

Returns the value for continuation parameter i.

Implements LOCA::MultiContinuation::AbstractStrategy.

Definition at line 426 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

Referenced by printSolution().

int LOCA::MultiContinuation::ExtendedGroup::getContinuationParameterID ( int  i = 0  )  const [virtual]

Get the continuation parameter id for parameter i.

Implements LOCA::MultiContinuation::AbstractStrategy.

Definition at line 432 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conParamIDs.

const vector< int > & LOCA::MultiContinuation::ExtendedGroup::getContinuationParameterIDs (  )  const [virtual]

Get the continuation parameter ids.

Implements LOCA::MultiContinuation::AbstractStrategy.

Definition at line 438 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conParamIDs.

Referenced by LOCA::MultiPredictor::Tangent::compute().

string LOCA::MultiContinuation::ExtendedGroup::getContinuationParameterName ( int  i = 0  )  const [virtual]

Get the continuation parameter id for parameter i.

Implements LOCA::MultiContinuation::AbstractStrategy.

Definition at line 444 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conParamIDs, LOCA::ParameterVector::getLabel(), and grpPtr.

Referenced by LOCA::MultiContinuation::ArcLengthGroup::scaleTangent().

double LOCA::MultiContinuation::ExtendedGroup::getStepSizeScaleFactor ( int  i = 0  )  const [virtual]

Returns step size scale factor for constraint equation i.

Implements LOCA::MultiContinuation::AbstractStrategy.

Definition at line 452 of file LOCA_MultiContinuation_ExtendedGroup.C.

References stepSizeScaleFactor.

void LOCA::MultiContinuation::ExtendedGroup::printSolution (  )  const [virtual]

Prints the group.

Implements LOCA::MultiContinuation::AbstractStrategy.

Definition at line 458 of file LOCA_MultiContinuation_ExtendedGroup.C.

References getContinuationParameter(), grpPtr, and numParams.

double LOCA::MultiContinuation::ExtendedGroup::computeScaledDotProduct ( const NOX::Abstract::Vector x,
const NOX::Abstract::Vector y 
) const [virtual]

int LOCA::MultiContinuation::ExtendedGroup::projectToDrawDimension (  )  const [virtual]

Returns dimension of project to draw array.

Implements LOCA::MultiContinuation::AbstractStrategy.

Definition at line 482 of file LOCA_MultiContinuation_ExtendedGroup.C.

References grpPtr, and numParams.

void LOCA::MultiContinuation::ExtendedGroup::projectToDraw ( const LOCA::MultiContinuation::ExtendedVector x,
double *  px 
) const [virtual]

int LOCA::MultiContinuation::ExtendedGroup::getBorderedWidth (  )  const [virtual]

Return the total width of the bordered rows/columns.

Implements LOCA::BorderedSystem::AbstractGroup.

Definition at line 501 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

Teuchos::RCP< const NOX::Abstract::Group > LOCA::MultiContinuation::ExtendedGroup::getUnborderedGroup (  )  const [virtual]

Get bottom-level unbordered group.

Implements LOCA::BorderedSystem::AbstractGroup.

Definition at line 507 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

bool LOCA::MultiContinuation::ExtendedGroup::isCombinedAZero (  )  const [virtual]

Indicates whether combined A block is zero.

Implements LOCA::BorderedSystem::AbstractGroup.

Definition at line 513 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

bool LOCA::MultiContinuation::ExtendedGroup::isCombinedBZero (  )  const [virtual]

Indicates whether combined B block is zero.

Implements LOCA::BorderedSystem::AbstractGroup.

Definition at line 519 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

bool LOCA::MultiContinuation::ExtendedGroup::isCombinedCZero (  )  const [virtual]

Indicates whether combined C block is zero.

Implements LOCA::BorderedSystem::AbstractGroup.

Definition at line 525 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

void LOCA::MultiContinuation::ExtendedGroup::extractSolutionComponent ( const NOX::Abstract::MultiVector v,
NOX::Abstract::MultiVector v_x 
) const [virtual]

Given the vector v, extract the underlying solution component corresponding to the unbordered group.

Implements LOCA::BorderedSystem::AbstractGroup.

Definition at line 531 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

void LOCA::MultiContinuation::ExtendedGroup::extractParameterComponent ( bool  use_transpose,
const NOX::Abstract::MultiVector v,
NOX::Abstract::MultiVector::DenseMatrix v_p 
) const [virtual]

Given the vector v, extract the parameter components of all of the nested subvectors in v down to the solution component for the unbordered group.

Implements LOCA::BorderedSystem::AbstractGroup.

Definition at line 539 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

void LOCA::MultiContinuation::ExtendedGroup::loadNestedComponents ( const NOX::Abstract::MultiVector v_x,
const NOX::Abstract::MultiVector::DenseMatrix v_p,
NOX::Abstract::MultiVector v 
) const [virtual]

Given the solution component v_x and combined parameter components v_p, distribute these components through the nested sub-vectors in v.

Implements LOCA::BorderedSystem::AbstractGroup.

Definition at line 548 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

void LOCA::MultiContinuation::ExtendedGroup::fillA ( NOX::Abstract::MultiVector A  )  const [virtual]

Fill the combined A block as described above.

Implements LOCA::BorderedSystem::AbstractGroup.

Definition at line 557 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

void LOCA::MultiContinuation::ExtendedGroup::fillB ( NOX::Abstract::MultiVector B  )  const [virtual]

Fill the combined B block as described above.

Implements LOCA::BorderedSystem::AbstractGroup.

Definition at line 564 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

void LOCA::MultiContinuation::ExtendedGroup::fillC ( NOX::Abstract::MultiVector::DenseMatrix C  )  const [virtual]

Fill the combined C block as described above.

Implements LOCA::BorderedSystem::AbstractGroup.

Definition at line 571 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup.

void LOCA::MultiContinuation::ExtendedGroup::setConstraints ( const Teuchos::RCP< LOCA::MultiContinuation::ConstraintInterface > &  constraints,
bool  skip_dfdp 
) [protected, virtual]

Set constraint object.

This allows the constraint object to be set after the group is constructed using the above constructor.

Definition at line 605 of file LOCA_MultiContinuation_ExtendedGroup.C.

References conGroup, conParamIDs, continuationParams, globalData, grpPtr, and parsedParams.

Referenced by LOCA::MultiContinuation::ArcLengthGroup::ArcLengthGroup(), and LOCA::MultiContinuation::NaturalGroup::NaturalGroup().

ExtendedGroup& LOCA::MultiContinuation::ExtendedGroup::operator= ( const ExtendedGroup source  )  [private]

Prohibit generation and use of operator=().


Member Data Documentation

Parsed top-level parameters.

Definition at line 443 of file LOCA_MultiContinuation_ExtendedGroup.H.

Referenced by copy(), and setConstraints().

Teuchos::RCP<Teuchos::ParameterList> LOCA::MultiContinuation::ExtendedGroup::continuationParams [protected]

Continuation parameter list.

Definition at line 446 of file LOCA_MultiContinuation_ExtendedGroup.H.

Referenced by copy(), and setConstraints().

Stores the scaled tangent to the predictor.

Definition at line 464 of file LOCA_MultiContinuation_ExtendedGroup.H.

Referenced by copy(), getScaledPredictorTangent(), scaleTangent(), and LOCA::MultiContinuation::ArcLengthGroup::scaleTangent().

Stores the previous extended solution vector.

Definition at line 468 of file LOCA_MultiContinuation_ExtendedGroup.H.

Referenced by computePredictor(), copy(), getPrevX(), and setPrevX().

continuation step size

Definition at line 474 of file LOCA_MultiContinuation_ExtendedGroup.H.

Referenced by computePredictor(), copy(), getStepSize(), and setStepSize().

Is Predictor vector valid.

Definition at line 480 of file LOCA_MultiContinuation_ExtendedGroup.H.

Referenced by computePredictor(), copy(), ExtendedGroup(), isPredictor(), and postProcessContinuationStep().

Flag indicating whether to base predictor direction on secant.

Definition at line 483 of file LOCA_MultiContinuation_ExtendedGroup.H.

Referenced by computePredictor(), copy(), and postProcessContinuationStep().


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

Generated on Wed Oct 21 14:28:37 2009 for Nonlinear Solver Project by  doxygen 1.5.9