diff options
Diffstat (limited to '3774/CH4/EX4.3/Ex4_3.sce')
-rw-r--r-- | 3774/CH4/EX4.3/Ex4_3.sce | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/3774/CH4/EX4.3/Ex4_3.sce b/3774/CH4/EX4.3/Ex4_3.sce new file mode 100644 index 000000000..9ebd65026 --- /dev/null +++ b/3774/CH4/EX4.3/Ex4_3.sce @@ -0,0 +1,25 @@ +// exa 4.3 Pg 105 +clc;clear;close; + +// Given Data +Sut=440;//MPa +d=25;//mm +R=95/100;// reliability +Kt=1.8;// stress concentration factor +q=0.86;// sensitivity factor + +Se_dash = 0.5*Sut;// MPa + +// for machined surface +ka=0.82;// surface finish factor +kb=0.85;// size factor +kc=0.868;// reliability factor +kd=1;// temperature factor +ke=0.577;// load factor + +Kf=1+q*(Kt-1);// fatigue strength factor +kf=1/Kf ;// fatigue strength reduction factor +Se=ka*kb*kc*kd*ke*kf*Se_dash;// (MPa) Endurance limit +printf('\n Endurance limit = %.2f MPa',Se) + + |