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Formulas

Math
Diagrams and Calculator Inputs
 Slab Width H =   
 Slab Thickness h =  << H
 Hole Diameter d =   
 Distance from Hole to Edge c =  H/2

Stress Concentration Factors

Input data
H = 100 mm
d = 10 mm
Answer
 2.73
 
 3.04
 
Note that the stress concentration factors are calculated from experimental data using curve fitting, so only two decimal places are given.