From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 3772/CH7/EX7.10/Ex7_10.sce | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 3772/CH7/EX7.10/Ex7_10.sce (limited to '3772/CH7/EX7.10') diff --git a/3772/CH7/EX7.10/Ex7_10.sce b/3772/CH7/EX7.10/Ex7_10.sce new file mode 100644 index 000000000..feae8886b --- /dev/null +++ b/3772/CH7/EX7.10/Ex7_10.sce @@ -0,0 +1,38 @@ +// Problem no 7.10,Page no.190 + +clc;clear; +close; + +sigma_s=90 //MPa //shear stress of steel +sigma_d=60 //MPa //shear stress of duralumin +G_d=28 //GPa //modulus of rigidity of duralumin +G_s=84 //GPa //modulus of rigidity of steel +L=1 //m //Length of shaft + +//Calculations + +//theta*L**-1=sigma_s*(G_s*R_s)**-1=sigma_d*(G_d*R_d)**-1 + +//After substituting and simplifying,we get, +//D=2*d + +//T_s=%pi*16**-1*d**3*sigma_s //N*m //torque of steel +//T_d=%pi*16*(((D**4-d**4)*D**4)**-1)*sigma_d //N*m //torque of duralumin + +//After substituting and simplifying above two equations,we get, + +//T_s=17.6714*10**6*d**3 //N*m +//T_d=88.3572*d**3 //N*m + +//T=T_s+T_d //Total torque + +//T=106.02875*10**6*d**3 + +d=(700*(106.02875*10**6)**-1)**0.333 //m +D=2*d //m +R_s=d*2**-1 //m + +theta=(sigma_s*10**6*L*(G_s*10**9*R_s)**-1)*180*%pi**-1 //degree //Angle of twist + +//Result +printf("The Angle of Twist is %.2f",theta);printf(" Degree") -- cgit