Mesh | Type | Symmetric multi-block structured with O-grid |
Size | 18M Elements | |
First layer dimensions | x+, y+, z+ = 12, 3, 12 | |
Domain | Gas properties | Air ideal gas with Sutherland’s, Pr = 0.707 |
Time duration | 6 Flow-throughs | |
Timestep size | 1e−4 s | |
Timesteps per flow-through | 424 | |
RANS turbulence model | k-ω shear stress transport | |
Boundary conditions | Main inlet | Experimental velocity and turbulence profile |
Plenum inlet | Mass flow inlet | |
Outlet | Static pressure opening with backflow | |
Sides | Translational periodic | |
Far wall | Symmetry | |
All other walls | Adiabatic no-slip | |
Solver settings | Advection scheme | RANS: high resolution, LES: central differencing |
Turbulence numerics | 2nd Order high resolution | |
Transient scheme | 2nd Order backward Euler, 10 inner iterations |