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(kinematic pressure)
Compressor Tutorial Meridional Average, ParaView window
Figure: Turbo Blade Post; Compressor Tutorial; Meridional (Circumferential) average of static pressure; OpenFOAM Turbomachinery CFD
Next: Turbomachinery CFD Solver Up: Mixing Interface Family of Previous: Mixing Interface Family of Contents Index
mixingInterface Boundary Condition
mixingInterface boundary condition is supported by boundary type mixingInterfacePatch, defined in the mesh file boundary.
boundaryField
{
rotor_outlet
{
type mixingInterfacePatch;
sampleRegion stator;
samplePatch stator_inlet;
division radial;
axis ( 0 0 1 );
origin ( 0 0 0 );
segments 8;
planes 8;
nFaces 740;
startFace 169816;
}
}
Figure: mixingInterface boundary condition applied on Francis turbine. Periodic case. Z+ view.
Figure: mixingInterface boundary condition applied on Francis turbine. Periodic case. Side view.
sampleRegion is the name of the region where the quantities are mapped from.
samplePatch is the name of the patch from the sampleRegion where the quantities are mapped from.
division is the way how to map to this patch. division can be either radial (radial averages of the quantities, see figure (![[*]](https://www.cfdsupport.com/wp-content/uploads/2022/02/crossref.png "Node51 23")
), or it can be axial (parallel averages of the quantities, see figure ())
Parameter axis defines the axis in Cartesian coordinates (directional vector of the axis).
Parameter origin is any point from the axis. So, the axis is defined by its directional vector and one of its points.
segments is the number of periodic segments of this patch.
planes is the number virtual averaging planes.
nFaces is the number of faces of this patch. It is the mesh property, it is not recommended to edit it manually.
startFace is the index of the first face in face. It is the mesh property, it is not recommended to edit it manually.
cyclic boundary condition is the same for all quantities (scalars, vectors, tensors):
p, U, k, omega, epsilon, T:
), or it can be axial (parallel averages of the quantities, see figure ())
Parameter axis defines the axis in Cartesian coordinates (directional vector of the axis).
Parameter origin is any point from the axis. So, the axis is defined by its directional vector and one of its points.
segments is the number of periodic segments of this patch.
planes is the number virtual averaging planes.
nFaces is the number of faces of this patch. It is the mesh property, it is not recommended to edit it manually.
startFace is the index of the first face in face. It is the mesh property, it is not recommended to edit it manually.
cyclic boundary condition is the same for all quantities (scalars, vectors, tensors):
p, U, k, omega, epsilon, T:
boundaryField
{
rotor_outlet
{
type mixingInterface;
value $internalField;
}
}
Next: Turbomachinery CFD Solver Up: Mixing Interface Family of Previous: Mixing Interface Family of Contents Index
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