Desktop Engineering

Design, simulation, test, prototyping and high performance computing.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

Salary Expectation

8 things to know about the interview question "What's your salary expectation"?

3D Scanners

A white paper to assist in the evaluation of 3D scanning hardware solutions.

more free magazines

Materials

Design

Processes

Units

Formulas

Math
Diagrams and Calculator Inputs
 Thickness of Box Beam h =   
 Radius of Inside Corner r =   
 Inner Hight and Width of Boxed Beam a =  >> h
 Hight and Width of Boxed Beam H =  a + 2 h >> h

Stress Concentration Factor

Input data

h = 10 mm
r = 10 mm
Answer
 1.25
 
 
Note that the stress concentration factors are calculated from experimental data using curve fitting, so only two decimal places are given.