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Time Integration
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RK Implicit 1 Stage 1st order Radau IA. More...
#include <Tempus_StepperRKButcherTableau.hpp>
Public Member Functions | |
StepperDIRK_1Stage1stOrderRadauIA () | |
Default constructor. | |
StepperDIRK_1Stage1stOrderRadauIA (const Teuchos::RCP< const Thyra::ModelEvaluator< Scalar > > &appModel, const Teuchos::RCP< Thyra::NonlinearSolverBase< Scalar > > &solver, bool useFSAL, std::string ICConsistency, bool ICConsistencyCheck, bool useEmbedded, bool zeroInitialGuess, const Teuchos::RCP< StepperRKAppAction< Scalar > > &stepperRKAppAction) | |
std::string | getDescription () const |
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virtual void | describe (Teuchos::FancyOStream &out, const Teuchos::EVerbosityLevel verbLevel) const override |
virtual bool | isValidSetup (Teuchos::FancyOStream &out) const override |
virtual void | setStepperDIRKValues (Teuchos::RCP< Teuchos::ParameterList > pl) |
Set StepperDIRK member data from the ParameterList. | |
virtual void | initialize () override |
Initialize after construction and changing input parameters. | |
virtual void | setModel (const Teuchos::RCP< const Thyra::ModelEvaluator< Scalar > > &appModel) override |
Set the model. | |
virtual void | setInitialConditions (const Teuchos::RCP< SolutionHistory< Scalar > > &solutionHistory) override |
Set the initial conditions and make them consistent. | |
virtual void | setResetInitialGuess (bool reset_guess) |
Set parameter so that the initial guess is reset at the beginning of each timestep. | |
virtual bool | getResetInitialGuess () const |
virtual void | takeStep (const Teuchos::RCP< SolutionHistory< Scalar > > &solutionHistory) override |
Take the specified timestep, dt, and return true if successful. | |
virtual Teuchos::RCP< Tempus::StepperState< Scalar > > | getDefaultStepperState () override |
Get a default (initial) StepperState. | |
virtual bool | isExplicit () const override |
virtual bool | isImplicit () const override |
virtual bool | isExplicitImplicit () const override |
virtual bool | isOneStepMethod () const override |
virtual bool | isMultiStepMethod () const override |
virtual OrderODE | getOrderODE () const override |
std::vector< Teuchos::RCP< Thyra::VectorBase< Scalar > > > & | getStageXDot () |
Teuchos::RCP< Thyra::VectorBase< Scalar > > & | getXTilde () |
virtual Scalar | getAlpha (const Scalar dt) const override |
Return alpha = d(xDot)/dx. | |
virtual Scalar | getBeta (const Scalar) const override |
Return beta = d(x)/dx. | |
virtual Scalar | getAlpha (const Scalar dt, int i) const |
Return alpha = d(xDot)/dx for stage i. | |
virtual Teuchos::RCP< const Teuchos::ParameterList > | getValidParameters () const override |
Teuchos::RCP< Teuchos::ParameterList > | getValidParametersBasicDIRK () const |
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Teuchos::RCP< Teuchos::ParameterList > | getValidParametersBasicImplicit () const |
void | setStepperImplicitValues (Teuchos::RCP< Teuchos::ParameterList > pl) |
Set StepperImplicit member data from the ParameterList. | |
void | setStepperSolverValues (Teuchos::RCP< Teuchos::ParameterList > pl) |
Set solver from ParameterList. | |
void | setSolverName (std::string i) |
Set the Solver Name. | |
std::string | getSolverName () const |
Get the Solver Name. | |
virtual Teuchos::RCP< const Thyra::ModelEvaluator< Scalar > > | getModel () const override |
virtual Teuchos::RCP< const WrapperModelEvaluator< Scalar > > | getWrapperModel () |
virtual void | setDefaultSolver () |
virtual void | setSolver (Teuchos::RCP< Thyra::NonlinearSolverBase< Scalar > > solver) override |
Set solver. | |
virtual Teuchos::RCP< Thyra::NonlinearSolverBase< Scalar > > | getSolver () const override |
Get solver. | |
const Thyra::SolveStatus< Scalar > | solveImplicitODE (const Teuchos::RCP< Thyra::VectorBase< Scalar > > &x, const Teuchos::RCP< Thyra::VectorBase< Scalar > > &xDot, const Scalar time, const Teuchos::RCP< ImplicitODEParameters< Scalar > > &p, const Teuchos::RCP< Thyra::VectorBase< Scalar > > &y=Teuchos::null, const int index=0) |
Solve implicit ODE, f(x, xDot, t, p) = 0. | |
void | evaluateImplicitODE (Teuchos::RCP< Thyra::VectorBase< Scalar > > &f, const Teuchos::RCP< Thyra::VectorBase< Scalar > > &x, const Teuchos::RCP< Thyra::VectorBase< Scalar > > &xDot, const Scalar time, const Teuchos::RCP< ImplicitODEParameters< Scalar > > &p) |
Evaluate implicit ODE residual, f(x, xDot, t, p). | |
virtual void | setInitialGuess (Teuchos::RCP< const Thyra::VectorBase< Scalar > > initialGuess) override |
Pass initial guess to Newton solver (only relevant for implicit solvers) | |
virtual void | setZeroInitialGuess (bool zIG) |
Set parameter so that the initial guess is set to zero (=True) or use last timestep (=False). | |
virtual bool | getZeroInitialGuess () const |
virtual Scalar | getInitTimeStep (const Teuchos::RCP< SolutionHistory< Scalar > > &) const override |
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virtual std::string | description () const |
void | setStepperValues (const Teuchos::RCP< Teuchos::ParameterList > pl) |
Set Stepper member data from ParameterList. | |
Teuchos::RCP< Teuchos::ParameterList > | getValidParametersBasic () const |
Add basic parameters to Steppers ParameterList. | |
virtual bool | isInitialized () |
True if stepper's member data is initialized. | |
virtual void | checkInitialized () |
Check initialization, and error out on failure. | |
void | setStepperName (std::string s) |
Set the stepper name. | |
std::string | getStepperName () const |
Get the stepper name. | |
std::string | getStepperType () const |
Get the stepper type. The stepper type is used as an identifier for the stepper, and can only be set by the derived Stepper class. | |
virtual void | setUseFSAL (bool a) |
void | setUseFSALTrueOnly (bool a) |
void | setUseFSALFalseOnly (bool a) |
bool | getUseFSAL () const |
void | setICConsistency (std::string s) |
std::string | getICConsistency () const |
void | setICConsistencyCheck (bool c) |
bool | getICConsistencyCheck () const |
virtual Teuchos::RCP< Thyra::VectorBase< Scalar > > | getStepperX () |
Get Stepper x. | |
virtual Teuchos::RCP< Thyra::VectorBase< Scalar > > | getStepperXDot () |
Get Stepper xDot. | |
virtual Teuchos::RCP< Thyra::VectorBase< Scalar > > | getStepperXDotDot () |
Get Stepper xDotDot. | |
virtual Teuchos::RCP< Thyra::VectorBase< Scalar > > | getStepperXDotDot (Teuchos::RCP< SolutionState< Scalar > > state) |
Get xDotDot from SolutionState or Stepper storage. | |
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virtual Teuchos::RCP< const RKButcherTableau< Scalar > > | getTableau () const |
virtual Scalar | getOrder () const |
virtual Scalar | getOrderMin () const |
virtual Scalar | getOrderMax () const |
virtual int | getNumberOfStages () const |
virtual int | getStageNumber () const |
virtual void | setStageNumber (int s) |
virtual void | setUseEmbedded (bool a) |
virtual bool | getUseEmbedded () const |
virtual void | setErrorNorm (const Teuchos::RCP< Stepper_ErrorNorm< Scalar > > &errCalculator=Teuchos::null) |
virtual void | setAppAction (Teuchos::RCP< StepperRKAppAction< Scalar > > appAction) |
virtual Teuchos::RCP< StepperRKAppAction< Scalar > > | getAppAction () const |
virtual void | setStepperRKValues (Teuchos::RCP< Teuchos::ParameterList > pl) |
Set StepperRK member data from the ParameterList. | |
virtual Teuchos::RCP< RKButcherTableau< Scalar > > | createTableau (Teuchos::RCP< Teuchos::ParameterList > pl) |
Protected Member Functions | |
void | setupTableau () |
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virtual void | setupDefault () |
Default setup for constructor. | |
virtual void | setup (const Teuchos::RCP< const Thyra::ModelEvaluator< Scalar > > &wrapperModel, const Teuchos::RCP< Thyra::NonlinearSolverBase< Scalar > > &solver, bool useFSAL, std::string ICConsistency, bool ICConsistencyCheck, bool useEmbedded, bool zeroInitialGuess, const Teuchos::RCP< StepperRKAppAction< Scalar > > &stepperRKAppAction) |
Setup for constructor. | |
virtual void | setEmbeddedMemory () override |
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virtual void | setStepperX (Teuchos::RCP< Thyra::VectorBase< Scalar > > x) |
Set x for Stepper storage. | |
virtual void | setStepperXDot (Teuchos::RCP< Thyra::VectorBase< Scalar > > xDot) |
Set xDot for Stepper storage. | |
virtual void | setStepperXDotDot (Teuchos::RCP< Thyra::VectorBase< Scalar > > xDotDot) |
Set x for Stepper storage. | |
void | setStepperType (std::string s) |
Set the stepper type. | |
virtual void | setEmbeddedMemory () |
Additional Inherited Members | |
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std::vector< Teuchos::RCP< Thyra::VectorBase< Scalar > > > | stageXDot_ |
Teuchos::RCP< Thyra::VectorBase< Scalar > > | xTilde_ |
bool | resetGuess_ = true |
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Teuchos::RCP< WrapperModelEvaluator< Scalar > > | wrapperModel_ |
Teuchos::RCP< Thyra::NonlinearSolverBase< Scalar > > | solver_ |
Teuchos::RCP< const Thyra::VectorBase< Scalar > > | initialGuess_ |
bool | zeroInitialGuess_ |
std::string | solverName_ |
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bool | useFSAL_ = false |
Use First-Same-As-Last (FSAL) principle. | |
bool | isInitialized_ = false |
True if stepper's member data is initialized. | |
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Teuchos::RCP< RKButcherTableau< Scalar > > | tableau_ |
bool | useEmbedded_ |
Teuchos::RCP< Thyra::VectorBase< Scalar > > | ee_ |
Teuchos::RCP< Thyra::VectorBase< Scalar > > | abs_u0 |
Teuchos::RCP< Thyra::VectorBase< Scalar > > | abs_u |
Teuchos::RCP< Thyra::VectorBase< Scalar > > | sc |
Teuchos::RCP< Stepper_ErrorNorm< Scalar > > | stepperErrorNormCalculator_ |
int | stageNumber_ |
The current Runge-Kutta stage number, {0,...,s-1}. -1 indicates outside stage loop. | |
Teuchos::RCP< StepperRKAppAction< Scalar > > | stepperRKAppAction_ |
RK Implicit 1 Stage 1st order Radau IA.
The tableau (order = 1) is
and is A-stable. Reference: Solving Ordinary Differential Equations II: Stiff and Differential-Algebraic Problems, 2nd Revised Edition, E. Hairer and G. Wanner, Table 5.3, pg 73.
See StepperDIRK for additional details.
Definition at line 4098 of file Tempus_StepperRKButcherTableau.hpp.
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inline |
Default constructor.
Requires subsequent setModel() and initialize() calls before calling takestep().
Definition at line 4107 of file Tempus_StepperRKButcherTableau.hpp.
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inline |
Definition at line 4118 of file Tempus_StepperRKButcherTableau.hpp.
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inlinevirtual |
Implements Tempus::StepperDIRK< Scalar >.
Definition at line 4135 of file Tempus_StepperRKButcherTableau.hpp.
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inlineprotectedvirtual |
Implements Tempus::StepperDIRK< Scalar >.
Definition at line 4153 of file Tempus_StepperRKButcherTableau.hpp.