-->//(Design against Fluctuating Load) Example 5.10 -->//Refer Fig.5.36 on page 165 -->//Ultimate tensile strength of 20C8 Sut (N/mm2) -->Sut = 540 Sut = 540. -->//Minimum value of N is Nmin -->Nmin = (10^3) Nmin = 1000. -->//Maximum value of N is Nmax -->Nmax = (10^6) Nmax = 1000000. -->//Completely reversed load acting on the beam P (N) -->P = 1000 P = 1000. -->//Notch sensitivity factor at the fillet q -->q = 0.85 q = 0.85 -->//Reliability (%) -->reliability = 90 reliability = 90. -->//Operation --> //Nomenclature: --> //1 - Ground --> //2 - Machined or cold drawn --> //3 - Hot-rolled --> //4 - Forged -->op = 2 op = 2. -->//Number of life cycles N -->N = 10000 N = 10000. -->//Assume value of d to be between 7.5 and 50mm -->d = 25 d = 25. -->//Distance between force and fillet dist (mm) -->dist = 150 dist = 150. -->//From Fig.5.5 -->Kt = 1.35 Kt = 1.35 The diameter of the beam(d) = 16.889027 mm Answer is slightly different because of use of equation 5.18 Use value of Ka from Fig.5.24 in order to obtain the mentioned result