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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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_ |
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std::vector< double > | errors_ |
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const bool | verbose_ |
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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 |
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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 |
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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
Reimplemented from Opm::PIDTimeStepControl.
The documentation for this class was generated from the following files:
- opm/simulators/timestepping/TimeStepControl.hpp
- opm/simulators/timestepping/TimeStepControl.cpp