PID controller based adaptive time step control as above that also takes an target iteration into account.
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#include <TimeStepControl.hpp>
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| PIDAndIterationCountTimeStepControl (const int target_iterations=20, const double decayDampingFactor=1.0, const double growthDampingFactor=1.0/1.2, const double tol=1e-3, const double minTimeStepBasedOnIterations=0., const bool verbose=false) |
| constructor
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double | computeTimeStepSize (const double dt, const int iterations, const RelativeChangeInterface &relativeChange, const double) const |
| compute new time step size suggestions based on the PID controller
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template<class Serializer > |
void | serializeOp (Serializer &serializer) |
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bool | operator== (const PIDAndIterationCountTimeStepControl &) const |
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| PIDTimeStepControl (const double tol=1e-3, const bool verbose=false) |
| constructor
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double | computeTimeStepSize (const double dt, const int, const RelativeChangeInterface &relativeChange, const double) const |
| compute new time step size suggestions based on the PID controller
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template<class Serializer > |
void | serializeOp (Serializer &serializer) |
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bool | operator== (const PIDTimeStepControl &) const |
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virtual | ~TimeStepControlInterface () |
| virtual destructor (empty)
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static constexpr TimeStepControlType | Type = TimeStepControlType::PIDAndIterationCount |
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static constexpr TimeStepControlType | Type = TimeStepControlType::PID |
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const int | target_iterations_ |
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const double | decayDampingFactor_ |
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const double | growthDampingFactor_ |
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const double | minTimeStepBasedOnIterations_ |
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const double | tol_ = 1e-3 |
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std::vector< double > | errors_ {} |
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const bool | verbose_ = false |
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PID controller based adaptive time step control as above that also takes an target iteration into account.
◆ PIDAndIterationCountTimeStepControl()
Opm::PIDAndIterationCountTimeStepControl::PIDAndIterationCountTimeStepControl |
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const int | target_iterations = 20, |
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const double | decayDampingFactor = 1.0, |
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const double | growthDampingFactor = 1.0/1.2, |
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const double | tol = 1e-3, |
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const double | minTimeStepBasedOnIterations = 0., |
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const bool | verbose = false ) |
constructor
- Parameters
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target_iterations | number of desired iterations per time step |
tol | tolerance for the relative changes of the numerical solution to be accepted in one time step (default is 1e-3) |
verbose | if true get some output (default = false) |
◆ computeTimeStepSize()
double Opm::PIDAndIterationCountTimeStepControl::computeTimeStepSize |
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const double | dt, |
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const int | iterations, |
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const RelativeChangeInterface & | relativeChange, |
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const double | simulationTimeElapsed ) const |
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virtual |
compute new time step size suggestions based on the PID controller
- Parameters
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dt | time step size used in the current step |
iterations | number of iterations used (linear/nonlinear) |
timeError | object to compute || u^n+1 - u^n || / || u^n+1 || |
- Returns
- suggested time step size for the next step
Implements Opm::TimeStepControlInterface.
The documentation for this class was generated from the following files:
- opm/simulators/timestepping/TimeStepControl.hpp
- opm/simulators/timestepping/TimeStepControl.cpp