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 |
VelocityEq |
VelocityEqTotEnergy |
PressureVelocityEq |
TemperaturePressureVelocityEq |
EulerHomogeneous |
NonLinearSchrodinger |
EulerKorteweg |
NonLinearSchrodinger |
EulerKorteweg |
EulerKorteweg |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Geometry |
Cartesian mesh |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Adaptive Mesh Refinement (AMR) |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
|
Unstructured mesh |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
No |
No |
No |
No |
No |
|
Symmetry (cylindrical/spherical) |
Yes |
Yes |
No |
Yes |
No |
No |
No |
No |
No |
No |
No |
|
Numerical scheme |
1st order |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
2nd order (*) |
Yes |
Yes |
Yes (Cartesian/AMR mesh only) |
Yes |
Yes |
No |
Yes (Cartesian/AMR mesh only) |
Yes (Cartesian/AMR mesh only) |
Yes (Cartesian/AMR mesh only) |
Yes (Cartesian/AMR mesh only) |
Yes (Cartesian/AMR mesh only) |
|
Riemann-problem solver |
HLLC |
HLLC |
HLLC |
HLLC |
HLLC |
HLLC |
Rusanov |
Rusanov |
Rusanov |
Rusanov |
Rusanov |
|
Relaxation |
Velocity |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
Pressure |
x |
Yes (finite and infinite) |
Yes (finite and infinite) |
Default |
x |
x |
x |
x |
x |
x |
x |
|
Pressure-Temperature |
x |
Yes |
No |
Yes |
x |
x |
x |
x |
x |
x |
x |
|
Pressure-Temperature-Chemical Potential |
x |
Yes |
No |
Yes |
No |
No |
x |
x |
x |
x |
x |
|
Source |
Gravity |
Yes |
Yes |
No |
Yes |
No |
No |
No |
No |
No |
No |
No |
Heat source |
Yes |
Yes |
No |
Yes |
Yes |
No |
No |
No |
No |
No |
No |
|
Moving Reference Frame |
Yes |
Yes |
No |
Yes |
No |
No |
No |
No |
No |
No |
No |
|
Acoustic waves |
Yes |
Yes |
No |
Yes |
No |
No |
No |
No |
No |
No |
No |
|
Additional physics |
Surface tension |
x |
No |
No |
Yes |
No |
No |
No |
No |
No |
No |
No |
Viscosity |
Yes |
Yes |
No |
Yes |
No |
No |
No |
No |
No |
No |
No |
|
Conduction |
Yes |
Yes |
No |
Yes |
No |
No |
No |
No |
No |
No |
No |
|
Gradient |
Finite difference |
Yes (Cartesian/AMR mesh only) |
Yes (Cartesian/AMR mesh only) |
Yes (Cartesian/AMR mesh only) |
Yes (Cartesian/AMR mesh only) |
Yes (Cartesian/AMR mesh only) |
x |
Yes (Cartesian/AMR mesh only) |
Yes (Cartesian/AMR mesh only) |
Yes (Cartesian/AMR mesh only) |
Yes (Cartesian/AMR mesh only) |
Yes (Cartesian/AMR mesh only) |
Green-Gauss |
Yes |
Yes |
Yes |
Yes |
Yes |
x |
Yes |
Yes |
Yes |
Yes |
Yes |
|
Boundary condition |
Non-reflecting |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Wall |
Yes |
Yes |
No |
Yes |
Yes |
No |
No |
No |
No |
No |
No |
|
Tank |
Yes |
Yes |
No |
Yes |
Yes |
No |
No |
No |
No |
No |
No |
|
Inj |
Yes |
Yes |
No |
Yes |
No |
No |
No |
No |
No |
No |
No |
|
Outflow |
Yes |
Yes |
No |
Yes |
Yes |
No |
No |
No |
No |
No |
No |
|
SubInj |
Yes |
x |
x |
x |
x |
No |
No |
No |
No |
No |
No |
|
Symmetry |
Yes |
Yes |
No |
Yes |
Yes |
No |
No |
No |
No |
No |
No |
|
Equation of state |
Ideal Gas |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
x |
x |
x |
x |
x |
Stiffened Gas |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
x |
x |
x |
x |
x |
|
Noble-Abel Stiffened Gas |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
x |
x |
x |
x |
x |
|
Van der Waals |
No |
No |
No |
No |
No |
No |
x |
Yes |
x |
Yes |
Yes |
|
Polynomial |
No |
No |
No |
No |
No |
No |
x |
Yes |
x |
Yes |
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).