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// LOCA: Library of Continuation Algorithms Package
// Copyright (2005) Sandia Corporation
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#ifndef LOCA_MULTICONTINUATION_NATURALGROUP_H
#define LOCA_MULTICONTINUATION_NATURALGROUP_H
#include "LOCA_MultiContinuation_ExtendedGroup.H" // base class
namespace LOCA {
namespace MultiContinuation {
/*!
* \brief Specialization of LOCA::MultiContinuation::ExtendedGroup
* to natural continuation.
*/
/*!
* Natural continuation corresponds to a continuation equation
* \f$g(x,p,x_0,p_0,x^\ast,p^\ast,v,\Delta s)=0\f$ with \f$g\f$ given by
* \f[
* g(x,p,x_0,p_0,x^\ast,p^\ast,v,\Delta s)=
* p-p_0-v_p \Delta s
* \f]
* where \f$v_p\f$ is the parameter component of the predictor direction
* \f$v\f$. This corresponds geometrically to constraining the nonlinear
* solver steps used in calculating \f$F(x,p)=0\f$ to be orthogonal to the
* parameter axis. The natural constraint \f$g\f$ is
* represented by a LOCA::MultiContinuation::NaturalConstraint object.
*/
class NaturalGroup :
public virtual LOCA::MultiContinuation::ExtendedGroup {
public:
//! Constructor
/*!
* \param global_data [in] Global data object
* \param topParams [in] Parsed top-level parameter list.
* \param continuationParams [in] Continuation parameters.
* \param grp [in] Group representing \f$F\f$.
* \param pred [in] Predictor strategy.
* \param paramIDs [in] Parameter IDs of continuation parameters.
*/
NaturalGroup(
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 std::vector<int>& paramIDs);
//! Copy constructor
NaturalGroup(const NaturalGroup& source,
NOX::CopyType type = NOX::DeepCopy);
//! Destructor.
virtual ~NaturalGroup();
/*!
* @name Implementation of NOX::Abstract::Group virtual methods
*/
//@{
//! Assignment operator
virtual NOX::Abstract::Group&
operator=(const NOX::Abstract::Group& source);
//! Clone function
virtual Teuchos::RCP<NOX::Abstract::Group>
clone(NOX::CopyType type = NOX::DeepCopy) const;
//@}
/*!
* @name Implementation of LOCA::MultiContinuation::AbstractStrategy virtual methods
*/
//@{
//! Copy
virtual void copy(const NOX::Abstract::Group& source);
//@}
private:
//! Prohibit generation and use of operator=()
NaturalGroup& operator=(const NaturalGroup& source);
};
} // namespace MultiContinuation
} // namespace LOCA
#endif
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