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/CH2/EX2.5.1/Ex2_9.sce | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 3532/CH2/EX2.5.1/Ex2_9.sce

(limited to '3532/CH2/EX2.5.1')

diff --git a/3532/CH2/EX2.5.1/Ex2_9.sce b/3532/CH2/EX2.5.1/Ex2_9.sce
new file mode 100644
index 000000000..ffd2b201b
--- /dev/null
+++ b/3532/CH2/EX2.5.1/Ex2_9.sce
@@ -0,0 +1,17 @@
+clc
+clear
+mprintf('Mechanical vibrations by G.K.Grover\n Example 2.5.1\n')
+//given data
+k1=2000 //stiffness of spring 1 in N/m
+k2=1500 //stiffness of spring 2 in N/m
+k3=3000 //stiffness of spring 3 in N/m
+k4=500 //stiffness of spring 4 in N/m
+k5=500 //stiffness of spring 5 in N/m
+fn =10 //natural frequency of system in Hz
+//calculations
+Ke1=1/((1/k1)+(1/k2)+(1/k3)) // effective stiffness of  top 3 springs in series in N/m
+Ke2=k4+k5 // effective stiffness of lower 2 springs in parallel in N/m
+Ke=Ke1+Ke2 //  total effective stiffness of sring system
+M=Ke/(2*%pi*fn)^2 //reqired mass such that the natural frequency of system is 10 Hz  (in Kg)
+//output
+mprintf(' The mass required such that the natural frequency of system is 10 Hz\n is %4.4f Kg',M)
-- 
cgit