Table 11 Boundary conditions for the flat developing flow case, used to generate an inlet profile for the curved backward facing step cases.
From: A curated dataset for data-driven turbulence modelling
Inlet | Outlet | Top | Bottom | |
|---|---|---|---|---|
\(\overrightarrow{U}\) | \(\overrightarrow{U}\) = (1.0, 0, 0) | Zero-gradient | \(\overrightarrow{U}\) = 0 | \(\overrightarrow{U}\) = 0 |
p | Zero-gradient | p = 0 | Zero-gradient | Zero-gradient |
k | \(k=6.00{(10)}^{-4}\,(I=2{\rm{ \% }})\) | Zero-gradient | k = 0 | k = 0 |
ε | \(\varepsilon =2.415{(10)}^{-6}\) (\({L}_{t}=H\)) | Zero-gradient | \(\varepsilon ={\varepsilon }_{vis}=2wk\nu /{y}^{2}\) | \(\varepsilon ={\varepsilon }_{vis}=2wk\nu /{y}^{2}\) |
ω | ω = 4.472(10)−2 | Zero-gradient | ω = 6v/(β1y2) | ω = 6v/(β1y2) |
ϕt | Zero-gradient | Zero-gradient | ϕt = 0 | ϕt = 0 |
f | Zero-gradient | Zero-gradient | f = 0 | f = 0 |
