diff options
Diffstat (limited to '3774/CH6/EX6.2')
| -rw-r--r-- | 3774/CH6/EX6.2/Ex6_2.sce | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/3774/CH6/EX6.2/Ex6_2.sce b/3774/CH6/EX6.2/Ex6_2.sce new file mode 100644 index 000000000..11dcf709e --- /dev/null +++ b/3774/CH6/EX6.2/Ex6_2.sce @@ -0,0 +1,24 @@ +// exa 6.2 Pg 170 +clc;clear;close; + +// Given Data +Tmax=400;// N.m +Tmin=140;// N.m +Mmax=500;// N.m +Mmin=250;// N.m +Sut=540;// MPa +Syt=400;// MPa +n=2;// factor of safety +Kf=1.25;// given + +Se_dash=0.4*Sut;// Mpa +Se=Se_dash/Kf;//MPa +Sys=0.577*Syt;// MPa +Ses=0.577*Se;// MPa +Mm=(Mmax+Mmin)/2;// N.m +Ma=(Mmax-Mmin)/2;// N.m +Tm=(Tmax+Tmin)/2;// N.m +Ta=(Tmax-Tmin)/2;// N.m +// Max. Distortion energy theory - Syt/n = 32/%pi/d**3*sqrt((Mm+Ma*(Syt/Se)**2)+0.75*(Tm+Ta*(Sys/Ses))**2) +d = (32/%pi*sqrt((Mm+Ma*(Syt/Se))**2+0.75*(Tm+Ta*(Sys/Ses))**2)*1000/(Syt/n))**(1/3) ; // mm +printf('shaft diameter = %.2f mm. Use %.f mm.',d,d) |