std::unique_ptr<TimeStepAlgorithm> createTimeStepper(
BaseLib::ConfigTree const& config)
{
//! \ogs_file_param{prj__time_loop__processes__process__time_stepping__type}
auto const type = config.peekConfigParameter<std::string>("type");
std::unique_ptr<NumLib::TimeStepAlgorithm> timestepper;
if (type == "SingleStep")
{
//! \ogs_file_param_special{prj__time_loop__processes__process__time_stepping__SingleStep}
config.ignoreConfigParameter("type");
timestepper =
std::make_unique<NumLib::FixedTimeStepping>(0.0, 1.0, 1.0);
}
else if (type == "FixedTimeStepping")
{
timestepper = NumLib::createFixedTimeStepping(config);
}
else if (type == "EvolutionaryPIDcontroller")
{
timestepper = NumLib::createEvolutionaryPIDcontroller(config);
}
else
{
OGS_FATAL(
"Unknown time stepping type: `%s'. "
"The available types are \n\tSingleStep, \n\tFixedTimeStepping"
"\n\tEvolutionaryPIDcontroller\n",
type.data());
}
return timestepper;
}
void
ignoreOtherLinearSolvers(const BaseLib::ConfigTree &config,
const std::string &solver_name)
{
for (auto const& s : known_linear_solvers) {
if (s!=solver_name) config.ignoreConfigParameter(s);
}
}