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Merge pull request #3519 from totto82/continueOnConvergenceFailure

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Option for continue on solver convergence failure
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Atgeirr Flø Rasmussen 2021-10-14 09:31:23 +02:00 committed by GitHub
commit dead95ba18
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1 changed files with 28 additions and 2 deletions
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30
opm/simulators/timestepping/AdaptiveTimeSteppingEbos.hpp
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@ -45,6 +45,10 @@ struct SolverMinTimeStep {
using type = UndefinedProperty;
};
template<class TypeTag, class MyTypeTag>
struct SolverContinueOnConvergenceFailure {
using type = UndefinedProperty;
};
template<class TypeTag, class MyTypeTag>
struct SolverMaxRestarts {
using type = UndefinedProperty;
};
@ -139,6 +143,10 @@ struct SolverMinTimeStep<TypeTag, TTag::FlowTimeSteppingParameters> {
static constexpr type value = 1.0e-12;
};
template<class TypeTag>
struct SolverContinueOnConvergenceFailure<TypeTag, TTag::FlowTimeSteppingParameters> {
static constexpr bool value = false;
};
template<class TypeTag>
struct SolverMaxRestarts<TypeTag, TTag::FlowTimeSteppingParameters> {
static constexpr int value = 10;
};
@ -262,6 +270,7 @@ namespace Opm {
, maxGrowth_(EWOMS_GET_PARAM(TypeTag, double, SolverMaxGrowth)) // 3.0
, maxTimeStep_(EWOMS_GET_PARAM(TypeTag, double, SolverMaxTimeStepInDays)*24*60*60) // 365.25
, minTimeStep_(unitSystem.to_si(UnitSystem::measure::time, EWOMS_GET_PARAM(TypeTag, double, SolverMinTimeStep))) // 1e-12;
, ignoreConvergenceFailure_(EWOMS_GET_PARAM(TypeTag, bool, SolverContinueOnConvergenceFailure)) // false;
, solverRestartMax_(EWOMS_GET_PARAM(TypeTag, int, SolverMaxRestarts)) // 10
, solverVerbose_(EWOMS_GET_PARAM(TypeTag, int, SolverVerbosity) > 0 && terminalOutput) // 2
, timestepVerbose_(EWOMS_GET_PARAM(TypeTag, int, TimeStepVerbosity) > 0 && terminalOutput) // 2
@ -288,7 +297,8 @@ namespace Opm {
, growthFactor_(tuning.TFDIFF)
, maxGrowth_(tuning.TSFMAX)
, maxTimeStep_(tuning.TSMAXZ) // 365.25
, minTimeStep_(unitSystem.to_si(UnitSystem::measure::time, EWOMS_GET_PARAM(TypeTag, double, SolverMinTimeStep))) // 1e-12;
, minTimeStep_(tuning.TSFMIN) // 0.1;
, ignoreConvergenceFailure_(true)
, solverRestartMax_(EWOMS_GET_PARAM(TypeTag, int, SolverMaxRestarts)) // 10
, solverVerbose_(EWOMS_GET_PARAM(TypeTag, int, SolverVerbosity) > 0 && terminalOutput) // 2
, timestepVerbose_(EWOMS_GET_PARAM(TypeTag, int, TimeStepVerbosity) > 0 && terminalOutput) // 2
@ -314,6 +324,8 @@ namespace Opm {
"The maximum size of a time step in days");
EWOMS_REGISTER_PARAM(TypeTag, double, SolverMinTimeStep,
"The minimum size of a time step in days for field and metric and hours for lab. If a step cannot converge without getting cut below this step size the simulator will stop");
EWOMS_REGISTER_PARAM(TypeTag, bool, SolverContinueOnConvergenceFailure,
"Continue instead of stop when minimum solver time step is reached");
EWOMS_REGISTER_PARAM(TypeTag, int, SolverMaxRestarts,
"The maximum number of breakdowns before a substep is given up and the simulator is terminated");
EWOMS_REGISTER_PARAM(TypeTag, int, SolverVerbosity,
@ -444,7 +456,20 @@ namespace Opm {
report += substepReport;
if (substepReport.converged) {
bool continue_on_uncoverged_solution = ignoreConvergenceFailure_ && !substepReport.converged && dt <= minTimeStep_;
if (continue_on_uncoverged_solution) {
const auto msg = std::string("Solver failed to converge but timestep ")
+ std::to_string(dt) + " is smaller or equal to "
+ std::to_string(minTimeStep_) + "\n which is the minimum threshold given"
+ "by option --solver-min-time-step= \n";
if (solverVerbose_) {
OpmLog::error(msg);
}
}
if (substepReport.converged || continue_on_uncoverged_solution) {
// advance by current dt
++substepTimer;
@ -735,6 +760,7 @@ namespace Opm {
double maxGrowth_; //!< factor that limits the maximum growth of a time step
double maxTimeStep_; //!< maximal allowed time step size in days
double minTimeStep_; //!< minimal allowed time step size before throwing
bool ignoreConvergenceFailure_; //!< continue instead of stop when minimum time step is reached
int solverRestartMax_; //!< how many restart of solver are allowed
bool solverVerbose_; //!< solver verbosity
bool timestepVerbose_; //!< timestep verbosity