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AdaptiveSimulatorTimer.hpp
1/*
2 Copyright 2014 IRIS AS
3
4 This file is part of the Open Porous Media project (OPM).
5
6 OPM is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
10
11 OPM is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with OPM. If not, see <http://www.gnu.org/licenses/>.
18*/
19#ifndef OPM_ADAPTIVESIMULATORTIMER_HEADER_INCLUDED
20#define OPM_ADAPTIVESIMULATORTIMER_HEADER_INCLUDED
21
22#include <cassert>
23#include <iosfwd>
24#include <vector>
25#include <limits>
26#include <algorithm>
27#include <memory>
28#include <numeric>
29
30#include <opm/simulators/timestepping/SimulatorTimerInterface.hpp>
31
32namespace Opm
33{
34
41 {
42 public:
48 const double lastStepTaken,
49 const double maxTimeStep = std::numeric_limits<double>::max() );
50
53
55 void advance() { this->operator++ (); }
56
58 void provideTimeStepEstimate( const double dt_estimate );
59
61 bool initialStep () const;
62
64 int currentStepNum () const;
65
67 int reportStepNum() const;
68
70 double currentStepLength () const;
71
72 // \brief Set next step length
73 void setCurrentStepLength(double dt);
74
76 double totalTime() const;
77
79 double simulationTimeElapsed() const;
80
82 bool done () const;
83
85 double averageStepLength() const;
86
88 double maxStepLength () const;
89
91 double minStepLength () const;
92
95 double stepLengthTaken () const;
96
98 void report(std::ostream& os) const;
99
101 boost::posix_time::ptime startDateTime() const;
102
104 bool lastStepFailed() const {return lastStepFailed_;}
105
107 void setLastStepFailed(bool lastStepFailed) {lastStepFailed_ = lastStepFailed;}
108
110 virtual std::unique_ptr< SimulatorTimerInterface > clone() const;
111
112 protected:
113 std::shared_ptr<boost::posix_time::ptime> start_date_time_;
114 const double start_time_;
115 const double total_time_;
116 const int report_step_;
117 const double max_time_step_;
118
119 double current_time_;
120 double dt_;
121 int current_step_;
122
123 std::vector< double > steps_;
124 bool lastStepFailed_;
125
126 };
127
128} // namespace Opm
129
130#endif // OPM_SIMULATORTIMER_HEADER_INCLUDED
Simulation timer for adaptive time stepping.
Definition AdaptiveSimulatorTimer.hpp:41
boost::posix_time::ptime startDateTime() const
start date time of simulation
Definition AdaptiveSimulatorTimer.cpp:173
bool done() const
Definition AdaptiveSimulatorTimer.cpp:136
AdaptiveSimulatorTimer(const SimulatorTimerInterface &timer, const double lastStepTaken, const double maxTimeStep=std::numeric_limits< double >::max())
constructor taking a simulator timer to determine start and end time
Definition AdaptiveSimulatorTimer.cpp:39
virtual std::unique_ptr< SimulatorTimerInterface > clone() const
return copy of object
Definition AdaptiveSimulatorTimer.cpp:180
double currentStepLength() const
Definition AdaptiveSimulatorTimer.cpp:112
int reportStepNum() const
return current report step
Definition AdaptiveSimulatorTimer.cpp:110
double minStepLength() const
return min step length used so far
Definition AdaptiveSimulatorTimer.cpp:155
int currentStepNum() const
Definition AdaptiveSimulatorTimer.cpp:107
void provideTimeStepEstimate(const double dt_estimate)
provide and estimate for new time step size
Definition AdaptiveSimulatorTimer.cpp:76
void report(std::ostream &os) const
report start and end time as well as used steps so far
Definition AdaptiveSimulatorTimer.cpp:163
double totalTime() const
Definition AdaptiveSimulatorTimer.cpp:132
double stepLengthTaken() const
Previous step length.
Definition AdaptiveSimulatorTimer.cpp:124
void advance()
advance time by currentStepLength
Definition AdaptiveSimulatorTimer.hpp:55
double simulationTimeElapsed() const
Definition AdaptiveSimulatorTimer.cpp:134
bool lastStepFailed() const
Return true if last time step failed.
Definition AdaptiveSimulatorTimer.hpp:104
double averageStepLength() const
return average step length used so far
Definition AdaptiveSimulatorTimer.cpp:138
double maxStepLength() const
return max step length used so far
Definition AdaptiveSimulatorTimer.cpp:148
bool initialStep() const
Whether this is the first step.
Definition AdaptiveSimulatorTimer.cpp:60
AdaptiveSimulatorTimer & operator++()
advance time by currentStepLength
Definition AdaptiveSimulatorTimer.cpp:65
void setLastStepFailed(bool lastStepFailed)
tell the timestepper whether timestep failed or not
Definition AdaptiveSimulatorTimer.hpp:107
Interface class for SimulatorTimer objects, to be improved.
Definition SimulatorTimerInterface.hpp:34
This file contains a set of helper functions used by VFPProd / VFPInj.
Definition blackoilboundaryratevector.hh:37