SolutionTimeAdaptiveDT.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html
 
#pragma once
 
#include "TimeStepper.h"
 
#include <fstream>
 
class SolutionTimeAdaptiveDT : public TimeStepper
{
public:
  static InputParameters validParams();
 
  SolutionTimeAdaptiveDT(const InputParameters & parameters);
  virtual ~SolutionTimeAdaptiveDT();
 
  virtual void step() override;
 
  virtual void rejectStep() override;
 
protected:
  virtual std::chrono::milliseconds::rep stepAndRecordElapsedTime();
 
  virtual Real computeInitialDT() override;
  virtual Real computeDT() override;
 
  int & _direction;
 
  const Real _percent_change;
 
  Real & _older_sol_time_vs_dt;
  Real & _old_sol_time_vs_dt;
  Real & _sol_time_vs_dt;
 
  bool _adapt_log;
 
  std::ofstream _adaptive_log;
};