oomph::Factories Namespace Reference

Functions
TimeStepper *	time_stepper_factory (const std::string &ts_name)

Function Documentation

time_stepper_factory()

TimeStepper* oomph::Factories::time_stepper_factory

(

const std::string &

ts_name

)

Make a timestepper from an input argument using new.

  {
 
   // Always make timestepper adaptive, we can control adaptivity by
   // calling adaptive or non adaptive newton solve.
   bool adaptive_flag = true;
 
   if(ts_name == "bdf1")
   {
    return new BDF<1>(adaptive_flag);
   }
   else if(ts_name == "bdf2")
   {
    return new BDF<2>(adaptive_flag);
   }
   else if(ts_name == "real-imr")
   {
    IMR* mp_pt = new IMR(adaptive_flag);
    ExplicitTimeStepper* pred_pt = new EBDF3;
    mp_pt->set_predictor_pt(pred_pt);
    return mp_pt;
   }
   else if(ts_name == "imr")
   {
    IMRByBDF* mp_pt = new IMRByBDF(adaptive_flag);
    ExplicitTimeStepper* pred_pt = new EBDF3;
    mp_pt->set_predictor_pt(pred_pt);
    return mp_pt;
   }
   else if(ts_name == "steady")
   {
    // 2 steps so that we have enough space to do reasonable time
    // derivative estimates in e.g. energy derivatives.
    return new Steady<3>;
   }
   else if(ts_name == "tr")
   {
    // 2 steps so that we have enough space to do reasonable time
    // derivative estimates in e.g. energy derivatives.
    return new TR(adaptive_flag);
   }
   else
   {
    std::string err = "Unrecognised time stepper name";
    throw OomphLibError(err, OOMPH_CURRENT_FUNCTION,
            OOMPH_EXCEPTION_LOCATION);
   }
  }

References OOMPH_CURRENT_FUNCTION, OOMPH_EXCEPTION_LOCATION, oomph::TimeStepper::set_predictor_pt(), oomph::Global_string_for_annotation::string(), and TR.

Referenced by main().