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/libCEED/examples/fluids/src/
H A Dsetupts.c70 const PetscInt wall = walls[w]; in Surface_Forces_NS() local
73 PetscCall(DMLabelGetStratumIS(face_label, wall, &wall_is)); in Surface_Forces_NS()
266 PetscInt wall = walls[w]; in TSMonitor_WallForce() local
268 …ViewerASCIIPrintf(viewer, "%" PetscInt_FMT ",%g,%" PetscInt_FMT ",%g,%g,%g\n", step_no, time, wall, in TSMonitor_WallForce()
272 …tf(viewer, "Wall %" PetscInt_FMT " Forces: Force_x = %12g, Force_y = %12g, Force_z = %12g\n", wall, in TSMonitor_WallForce()
/libCEED/examples/fluids/
H A DREADME.md115 - Use wall boundary conditions on this list of faces
119 - An array of constrained component numbers for wall BCs
167 …- Viewer for the force on each no-slip wall, e.g., `ascii:force.csv:ascii_csv` to write a CSV file.
253 If near a viscous wall, you may want a specified inflow profile.
648 - Anisotropic scaling for filter width in wall-aligned coordinates (snz)
658 - Damping function to use at the wall for anisotropic filtering (`none`, `van_driest`)
663 - Constant for the wall-damping function. $A^+$ for `van_driest` damping function.
668 - Friction length associated with the flow, $\delta_\nu$. Used in wall-damping functions
H A Dindex.md486 The filtering at the wall may also be damped, to smoothly meet the $\overline \phi = \phi$ boundary…
493 where $y^+$ is the wall-friction scaled wall-distance ($y^+ = y u_\tau / \nu = y/\delta_\nu$), $A^+…
494 For this implementation, we assume that $\delta_\nu$ is constant across the wall and is defined by …
497 To apply this scalar damping coefficient to the filter width tensor, we construct the wall-damping …
498 The construction implemented currently limits damping in the wall parallel directions to be no less…
499 The wall-normal filter width is allowed to be damped to a zero filter width.
500 It is currently assumed that the second component of the filter width tensor is in the wall-normal …
580 … sections. Symmetry boundary conditions are applied to the side walls and wall boundary conditions…
643 The cylinder wall is an adiabatic (no heat flux) no-slip boundary condition.
682 …eight, $u_{\max}$ is the center velocity, $T_w$ is the temperature at the wall, $Pr=\frac{\mu}{c_p…
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