-->//(Design against Fluctuating Load) Example 5.4
 
-->//Completely reversed axial load acting on the rod Pa (kN)
 
-->Pa = 100
 Pa  =
 
    100.  
 
-->//Ultimate tensile strength of 40Cr1 Sut (N/mm2)
 
-->Sut = 550
 Sut  =
 
    550.  
 
-->//Factor of safety fs
 
-->fs = 2
 fs  =
 
    2.  
 
-->//Reliability (%)
 
-->reliability = 95
 reliability  =
 
    95.  
 
-->//Operation
 
-->    //Nomenclature: 
 
-->    //1 - Ground
 
-->    //2 - Machined or cold drawn
 
-->    //3 - Hot-rolled
 
-->    //4 - Forged
 
-->op = 2
 op  =
 
    2.  
 
-->//Assume d to be between 7.5 and 50 say 25 (mm)
 
-->d = 25
 d  =
 
    25.  
 

Diameter of the rod(d) = 43.032758 mm

Answer is slightly different because of use of equation 5.18