https://www.efunda.com/formulae/solid_mechanics/stress_concentration/calc_swug_m.cfm
eFunda: Stress Concentration Factor Calculator -- Panel with Opposite Single Groove under Axial...
Stress concentration calculator for a bar with a groove under bending.
stress concentration factor
https://www.omnicalculator.com/physics/stress-concentration-factor
Stress Concentration Factor Calculator
Use this stress concentration factor calculator to estimate the localized high stresses in the regions of geometric discontinuities.
stress concentration factorcalculator
https://www.efunda.com/formulae/solid_mechanics/stress_concentration/calc_pwsh_p.cfm
eFunda: Stress Concentration Factor Calculator -- Slab w/ Off-Center Hole under Axial Force
Stress concentration calculator for a slab with an off-center center hole under tension.
stress concentration factor