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 --- 1325/CH15/EX15.2/15_2.sce | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 1325/CH15/EX15.2/15_2.sce (limited to '1325/CH15/EX15.2/15_2.sce') diff --git a/1325/CH15/EX15.2/15_2.sce b/1325/CH15/EX15.2/15_2.sce new file mode 100644 index 000000000..dc8e933c9 --- /dev/null +++ b/1325/CH15/EX15.2/15_2.sce @@ -0,0 +1,24 @@ +//To find the natural frequencies of the longitudinal, transverse and torsional vibration of the system +clc +//given +l1=3//ft +l2=2//ft +l=l1+l2//ft +W=.5*2240//lb +k=20//in +d=2//in +Wa=2*W/5 +E=30*10^6 +A=%pi*(d/2)^2 +d1=Wa*l1*12/(A*E) +N1=187.8/(d1)^(1/2) +I=%pi*(d)^4/64 +d2=W*(l1*12)^3*(l2*12)^3/(3*E*(l*12)^3*I) +N2=187.8/(d2)^(1/2) +C=12*10^6//given +g=32.2//given +J=%pi*d^4/32 +q=C*J*((1/(l1*12))+(1/(l2*12))) +n=(1/(2*%pi))*(q*g*12/(W*k^2))^(1/2) +N3=n*60 +printf("\na)Longitudinal vibration = %.f per min\nb)Transverse Vibration = %.f per min\nc)Torsional Vibration = %.f per min\n",N1,N2,N3) -- cgit