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 --- 3532/CH4/EX4.11.4/Ex4_18.sce | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 3532/CH4/EX4.11.4/Ex4_18.sce (limited to '3532/CH4/EX4.11.4/Ex4_18.sce') diff --git a/3532/CH4/EX4.11.4/Ex4_18.sce b/3532/CH4/EX4.11.4/Ex4_18.sce new file mode 100644 index 000000000..b568e3c24 --- /dev/null +++ b/3532/CH4/EX4.11.4/Ex4_18.sce @@ -0,0 +1,15 @@ +clc +clear +mprintf('Mechanical vibrations by G.K.Grover\n Example 4.11.4\n') +//given data +RF=1800//resonant frequency in rpm +L=0.050//lenght of steel reed in metres +B=0.006//width of steel reed in metres +t=0.00075//thickness of steel reed in metres +E=19.6*10^10//young's modulus in N/(m^2) +//calculations +Wn=2*%pi*RF/60//natural frequency in radians +I=(B*t^3)/12//moment of inertia in (m^4) +m=3*E*I/((Wn^2)*L^3)//required mass +//output +mprintf('The required mass M to be placed at the end of the reeds of Frahm tachometer is %f Kgs',m) -- cgit