Design-2-Part

How OEM's can make their parts better, faster, and more efficient.

Machine Design

How-to, in-depth technical articles for machine design engineers

Laser Solutions

Cost-effective laser solutions for many manufacturing problems.

World Pumps

Major news, innovation and real-life applications for pumps and ancillary equipment.

more free magazines
Diagrams and Calculator Inputs
 Slab Width H  
 Notch Depth t  
 Notch Radius r  
 Distance between Notches d H - 2t
 Slab Thickness h << H

Stress Concentration Factors

Input data
H = 100 mm
t = 10 mm
r = 10 mm
Answer
 2.27  (2.41 in some literatures)
 
 2.83  (3.02 in some literatures)
 
Note that the stress concentration factors are calculated from experimental data using curve fitting, so only two decimal places are given.