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Diffstat (limited to '3532/CH5/EX5.3/Ex5_3.sce')
| -rw-r--r-- | 3532/CH5/EX5.3/Ex5_3.sce | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/3532/CH5/EX5.3/Ex5_3.sce b/3532/CH5/EX5.3/Ex5_3.sce new file mode 100644 index 000000000..4cfe37007 --- /dev/null +++ b/3532/CH5/EX5.3/Ex5_3.sce @@ -0,0 +1,18 @@ +clc
+clear
+mprintf('Mechanical vibrations by G.K.Grover\n Example 5.3.2\n')
+//given data
+m1=5*0.75//mass of rod 1 in kgs
+m2=5*1.00//mass of rod 2 in kgs
+l1=0.75//lenght of rod 1 in m
+l2=1.00//lenght of rod 2 in m
+K=2940//stiffness of spring in N/m
+//calculations
+Wn=sqrt(3*(m1+m2)*K/(m1*m2))//natural frequency in rad/sec
+fn=Wn/(2*%pi)//natural frequency in Hz as solved in the textbook itself
+b1=(K*l2)
+b2=(K*l1-m1*l1*Wn^2/3)
+x=(b2/b1)
+Fmax=K*(l1*1-l2*x)/57.3//to convert into radians
+//output
+mprintf('The frequency of the resulting vibrations if the efect of gravity\n is neglected is %4.4f rad/sec or %4.4f Hz.\n The angular movement of CD is %3.3f degrees(out of phase) \n with the movement of AB.\n The maximum force in the spring is %4.4f N',Wn,fn,x,Fmax)
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