From 8dc0d08e37d15128a1f37b0d6e16fc4afa1eec05 Mon Sep 17 00:00:00 2001 From: jtneedels Date: Wed, 11 Jan 2023 17:14:01 -0800 Subject: [PATCH] add nemo ss inlet doc Signed-off-by: jtneedels --- _docs_v7/Markers-and-BC.md | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/_docs_v7/Markers-and-BC.md b/_docs_v7/Markers-and-BC.md index 8678a960..b4667551 100755 --- a/_docs_v7/Markers-and-BC.md +++ b/_docs_v7/Markers-and-BC.md @@ -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) @@ -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.