Feature compatibility

ECOGEN provides the ability to use several features according to the flow model. Below is summarized the feature compatibility according to each flow model.

Feature / Model		Euler	NonEqDEM	NonEq	VelocityEq	VelocityEqTotEnergy	PressureVelocityEq	TemperaturePressureVelocityEq	EulerHomogeneous	ExtendedNavierStokesKorteweg1D
Geometry	Cartesian mesh	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
	Adaptive Mesh Refinement (AMR)	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes
	Unstructured mesh	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	No
	Symmetry (cylindrical/spherical)	Yes	Yes	No	Yes	No	Yes	No	No	No
Numerical scheme	1st order	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
	2nd order (*)	Yes	No	No	Yes	Yes (Cartesian/AMR mesh only)	Yes	Yes	No	Yes (Cartesian/AMR mesh only)
	Riemann-problem solver	HLLC	HLLC; Exact (only for IG and SG EOS)	HLLC- and HLL-types	HLLC	HLLC	HLLC	HLLC	HLLC	HLLC
Relaxation	Velocity	x	Yes	Yes	x	x	x	x	x	x
	Pressure	x	Yes	Yes	Yes (finite and infinite)	Yes (finite and infinite)	Default	x	x	x
	Pressure-Temperature	x	No	No	Yes	No	Yes	x	x	x
	Pressure-Temperature-Chemical Potential	x	No	No	Yes	No	Yes	No	No	x
Source	Gravity	Yes	Yes	Yes	Yes	No	Yes	No	No	No
	Heat source	Yes	No	No	Yes	No	Yes	Yes	No	No
	Moving Reference Frame	Yes	No	No	Yes	No	Yes	No	No	No
	Acoustic waves	Yes	No	No	Yes	No	Yes	No	No	No
Additional physics	Surface tension	x	No	No	No	No	Yes	No	No	Already included in base model
	Viscosity	Yes	No	No	Yes	No	Yes	No	No	Already included in base model
	Turbulence	Yes	No	No	No	No	No	No	No	No
	Conduction	Yes	No	No	Yes	No	Yes	No	No	No
Gradient	Finite difference (Cartesian mesh only)	Yes	Yes	Yes	Yes	Yes	Yes	Yes	x	Yes
	Green-Gauss	Yes	No	No	Yes	Yes	Yes	Yes	x	Yes
Boundary condition	Non-reflecting	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
	Wall (non-slip)	Yes	Yes (only for HLLC)	Yes	Yes	No	Yes	Yes	No	Yes
	Symmetry (slip)	Yes	Yes (only for HLLC)	No	Yes	No	Yes	Yes	No	No
	Moving wall (non-slip)	Yes	No	No	Yes	No	Yes	No	No	No
	Tank	Yes	No	No	Yes	No	Yes	Yes	No	No
	Inj	Yes	No	No	Yes	No	Yes	No	No	No
	Outflow	Yes	No	No	Yes	No	Yes	Yes	No	No
	SubInj	Yes	x	x	x	x	x	x	No	No
	Periodic	Yes (no AMR, Cartesian only)	Yes (no AMR, Cartesian only)	Yes (no AMR, Cartesian only)	Yes (no AMR, Cartesian only)	Yes (no AMR, Cartesian only)	Yes (no AMR, Cartesian only)	Yes (no AMR, Cartesian only)	Yes (no AMR, Cartesian only)	Yes (no AMR, Cartesian only)
Equation of state	Ideal Gas	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	x
	Stiffened Gas	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	x
	Noble-Abel Stiffened Gas	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	x
	van der Waals	No	No	No	No	No	No	No	No	Yes
	Non-linear Schrödinger	No	No	No	No	No	No	No	No	Yes
	Polynomial	No	No	No	No	No	No	No	No	Yes

x denotes a feature not relevant to the model.

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* Some limiters are only available depending on the mesh type (see Main.xml).