STRESS CONCENTRATION FACTORS FOR TRANSVERSE CIRCULAR HOLE IN A ROUND BAR
Theoretical stress concentration factors (K_{t}) of
transverse circular hole in round bar can be calculated by this calculator for tension, bending and torsion loads. In addition to stress concentration factor calculation, the calculator can be used to find maximum stress values
in round bar if loading parameters are known. See footnotes of the "Results" table for the necessary equations for the stress calculations.
Calculated theoretical stress concentration factors can be used to predict maximum tension
and shear stresses in the bar. See footnotes of the "Results" table for the necessary equations for the stress calculations.
The formulas and parameters used in the calculator are given in " List of Equations " section of this page.
Definitions:
Stress Concentration Factor: Dimensional changes and discontinuities of a member in a loaded structure causes variations of stress and high stresses concentrate near these dimensional changes. This situation of high stresses near dimensional changes and discontinuities of a member (holes, sharp corners, cracks etc.) is called stress concentration. The ratio of peak stress near stress riser to average stress over the member is called stress concentration factor.
K_{t}: Theoretical stress
concentration factor in elastic range = (σ_{max}/σ_{nom})
List of Equations:
Reference:

Pilkey, W. D..(2005). Formulas for Stress, Strain, and Structural Matrices .2nd
Edition John Wiley & Sons