A simple iteration count based adaptive time step control. More...
#include <TimeStepControl.hpp>
Public Member Functions | |
SimpleIterationCountTimeStepControl (const int target_iterations, const double decayrate, const double growthrate, const bool verbose=false) | |
constructor | |
double | computeTimeStepSize (const double dt, const int iterations, const RelativeChangeInterface &, const double) const |
Protected Attributes | |
const int | target_iterations_ |
const double | decayrate_ |
const double | growthrate_ |
const bool | verbose_ |
A simple iteration count based adaptive time step control.
Opm::SimpleIterationCountTimeStepControl::SimpleIterationCountTimeStepControl | ( | const int | target_iterations, | |
const double | decayrate, | |||
const double | growthrate, | |||
const bool | verbose = false | |||
) |
constructor
target_iterations | number of desired iterations (e.g. Newton iterations) per time step in one time step | |
verbose | if true get some output (default = false) |
double Opm::SimpleIterationCountTimeStepControl::computeTimeStepSize | ( | const double | dt, | |
const int | iterations, | |||
const RelativeChangeInterface & | , | |||
const | double | |||
) | const [virtual] |
compute new time step size suggestions based on the PID controller
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 || |
Implements Opm::TimeStepControlInterface.