Table 9 Boundary conditions for the flat developing flow case, used to generate an inlet profile for the converging-diverging channel cases.
From: A curated dataset for data-driven turbulence modelling
Inlet | Outlet | Top | Bottom | |
|---|---|---|---|---|
\(\overrightarrow{U}\) | \(\overrightarrow{U}\) = (0.845, 0, 0) | Zero-gradient | \(\overrightarrow{U}\) = 0 | \(\overrightarrow{U}\) = 0 |
p | Zero-gradient | p = 0 | Zero-gradient | Zero-gradient |
k | \(k=4.28421{(10)}^{-4}\,(I=2{\rm{ \% }})\) | Zero-gradient | k = 0 | k = 0 |
ε | \(\varepsilon =1.0408{(10)}^{-5}\) (\({L}_{t}=0.07{H}_{{\rm{chan}}}\)) | Zero-gradient | \(\varepsilon ={\varepsilon }_{vis}=2wk\nu /{y}^{2}\) | \(\varepsilon ={\varepsilon }_{vis}=2wk\nu /{y}^{2}\) |
ω | ω = 0.26993 | Zero-gradient | \(\omega =6\nu /({\beta }_{1}{y}^{2})\) | \(\omega =6\nu /({\beta }_{1}{y}^{2})\) |
ϕt | Zero-gradient | Zero-gradient | ϕt = 0 | ϕt = 0 |
f | Zero-gradient | Zero-gradient | f = 0 | f = 0 |
