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Merged
merged 3 commits into from
Feb 6, 2023
Merged

Update master #121

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dfdeef0
Merge pull request #104 from su2code/master
pcarruscag Dec 20, 2022
8dc0d08
add nemo ss inlet doc
jtneedels Jan 12, 2023
f7b4e08
Merge pull request #112 from su2code/feature_nemo_ss_inlet
jtneedels Jan 12, 2023
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24 changes: 24 additions & 0 deletions _docs_v7/Markers-and-BC.md
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Expand Up @@ -20,6 +20,8 @@ The term *Marker* refers to a named entity in your mesh file. Boundary condition
- [Mass Flow Inlet](#mass-flow-inlet)
- [Velocity Inlet](#velocity-inlet)
- [Pressure Inlet](#pressure-inlet)
- [Supersonic Inlet Boundary Condition](#supersonic-inlet-boundary-condition)
- [Thermochemical Nonequilibrium Supersonic Inlet](#thermochemical-nonequilibrium-supersonic-inlet)
- [Outlet Boundary Condition](#outlet-boundary-condition)
- [Pressure Outlet (Compressible)](#pressure-outlet-compressible)
- [Pressure Outlet (Incompressible)](#pressure-outlet-incompressible)
Expand Down Expand Up @@ -215,6 +217,28 @@ MARKER_INLET = (inlet1, 300 , 1e6, 1.0, 0.0, 0.0, inlet2, 200, 1e6, 0.0, 1.0, 0.

**Note 2**: Updates to the velocity based on the prescribed pressure are damped in order to help with stability/convergence. The damping coefficient can be changed using the `INC_INLET_DAMPING` option (default is `0.1`).

## Supersonic Inlet Boundary Condition ##
Supersonic inlet boundary conditions are set using the option `MARKER_SUPERSONIC_INLET`.

### Thermochemical Nonequilibrium Supersonic Inlet

| Solver | Version |
| --- | --- |
| `NEMO_EULER`, `NEMO_NAVIER_STOKES` | 7.0.0 |

The format for `MARKER_SUPERSONIC_INLET` for the NEMO solvers is the marker name, followed by the static translational-rotational Temperature (in Kelvin `[K]`), the static Pressure (in Pascal `[Pa]`) and the flow velocity vector (in meter per second `[m/s]`). For example:

```
MARKER_SUPERSONIC_INLET = (inlet1, 300, 1e6, 1000.0, 0.0, 0.0, inlet2, 400, 1e6, 0.0, 1000.0, 0.0)
```

For the NEMO solvers, a gas composition at the inlet must also be specified using the `INLET_GAS_COMPOSITION` option, as well as the vibrational-electronic Temperature at the inlet, using the `INLET_TEMPERATURE_VE` option. If no vibrational-electronic Temperature is specified, the given translational-rotational Temperature set for the inlet is used by default. For example:

```
INLET_GAS_COMPOSITION = (0.77, 0.23, 0.0, 0.0, 0.0)
INLET_TEMPERATURE_VE = 288.15
```

## Outlet Boundary Condition ##

Outlet boundary conditions are set using the `MARKER_OUTLET` option.
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