LES Filter Width & Smagorinsky Subgrid Calculator
Computational Fluid Dynamics (CFD) Large Eddy Simulation: Calculate 3D grid filter width ($\bar{\Delta}$), Smagorinsky subgrid-scale (SGS) eddy viscosity ($\nu_{sgs}$), and verify Pope's 80% turbulent energy resolution criterion.
LES Mesh & Subgrid-Scale Model
Magnitude |S̄| = √(2 S̄_ij S̄_ij)
Subgrid Viscosity & Pope Resolution
Filter Width Δ̄:
--
millimeters (mm)
Resolved TKE Fraction:
--
% (Pope Criterion ≥ 80%)
SGS Eddy Viscosity:
--
m² / s
Viscosity Ratio:
--
ν_sgs / ν
Subgrid TKE k_sgs:
--
m² / s²
LES Quality Assessment
Effective Mixing Length ℓ_sgs:
-- mm
SGS Dissipation Rate ε_sgs:
-- W/kg
Pope 80% Criterion Status:
--
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