Stress Concentration (Kt)

Theoretical stress-concentration factor Kt for holes, shoulder fillets, grooves and keyways — nominal → peak stress. Peterson / Neuber teaching catalog.

Input Parameters

Feature

Member / hole Ø d

Large Ø D (shoulder)

Root Ø d_r (groove)

Fillet / groove radius ρ

Plate width w (hole)

Keyway loading mode

Nominal stress σ_nom

MPa

Stress Concentration (Kt)

Input Parameters

Results

Schematic