Spalart-Allmaras Turbulent Viscosity Calculator
Aerospace CFD & external aerodynamics: Compute the Spalart-Allmaras one-equation turbulence model parameters, including viscous damping ($f_{v1}$), eddy viscosity ($\nu_t$), and wall destruction factor ($f_w$).
Local Boundary Layer State
Working variable of SA transport equation
Air at sea level (1.516×10⁻⁵ m²/s)
SA Eddy Viscosity & Damping Output
Turbulent Eddy Viscosity ν_t:
--
m² / s
Turbulent Viscosity Ratio:
--
ν_t / ν (eddy to laminar)
Viscosity Ratio χ:
--
ν̃ / ν
Damping Factor f_v1:
--
near-wall damp
Wall Destruction f_w:
--
decay factor
Boundary Layer Layering Analysis
Modified Vorticity S̃:
-- s⁻¹
Dimensionless Wall Parameter r:
--
Boundary Layer Regime:
--
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