/// <summary>
/// Utility method that helps creating a Runge-Kutta scheme from the
/// enum <see cref="RungeKuttaSchemes"/>. Allows for a simple
/// instantiation of the correct scheme from a configuration string.
/// </summary>
/// <param name="scheme"></param>
/// <returns>
/// An instance of a Runge-Kutta scheme the selected
/// <paramref name="scheme"/>.
/// </returns>
public static RungeKuttaScheme SchemeFactory(RungeKuttaSchemes scheme)
{
switch (scheme)
{
case RungeKuttaSchemes.ExplicitEuler:
return(RungeKuttaScheme.ExplicitEuler);
case RungeKuttaSchemes.Heun:
return(RungeKuttaScheme.Heun);
case RungeKuttaSchemes.Middlepoint:
return(RungeKuttaScheme.Middlepoint);
case RungeKuttaSchemes.RungeKutta1901:
return(RungeKuttaScheme.RungeKutta1901);
case RungeKuttaSchemes.ThreeOverEight:
return(RungeKuttaScheme.ThreeOverEight);
case RungeKuttaSchemes.TVD3:
return(RungeKuttaScheme.TVD3);
default:
throw new NotImplementedException();
}
}
/// <summary>
/// another ctor.
/// </summary>
public RungeKutta(RungeKuttaSchemes scheme, SpatialOperator spatialOp, params DGField[] Fields)
: this(scheme, spatialOp, new CoordinateMapping(Fields), null, null)
{
}
/// <summary>
/// one more ctor.
/// </summary>
public RungeKutta(RungeKuttaSchemes schemeEnum, SpatialOperator spatialOp, CoordinateMapping Fieldsmap, CoordinateMapping Parameters, IList <TimeStepConstraint> timeStepConstraints = null, SubGrid sgrd = null)
: this(SchemeFactory(schemeEnum), spatialOp, Fieldsmap, Parameters, timeStepConstraints, sgrd)
{
}
