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Diffstat (limited to '3532/CH4/EX4.8/Ex4_8.sce')
| -rw-r--r-- | 3532/CH4/EX4.8/Ex4_8.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/3532/CH4/EX4.8/Ex4_8.sce b/3532/CH4/EX4.8/Ex4_8.sce new file mode 100644 index 000000000..b7f52cdb5 --- /dev/null +++ b/3532/CH4/EX4.8/Ex4_8.sce @@ -0,0 +1,17 @@ +clc
+clear
+mprintf('Mechanical vibrations by G.K.Grover\n Example 4.5.1\n')
+//given data
+X=0.015//amplitude of vibration of spring mass dashpot system in m
+f=100//frquency of vibration of spring mass dashpot system in Hz
+zeta=0.05
+fnD=22//damped natural frequency in Hz
+m=0.5//mass in kg
+//calculations
+W=2*%pi*fnD
+c=2*m*W*zeta// from Eqn 3.3.6 and Eqn 3.3.7
+Epercycl=%pi*c*(2*%pi*f)*X^2//Eqn 4.5.1...energy dissipated per cycle
+Epersec=Epercycl*f//energy dissipated per sec
+//output
+mprintf(' The power required to vibrate spring mass dashpot system with \n an amplitude of 1.5 cm and at frequency of 100 Hz is %4.4f Watts',Epersec)
+mprintf('\nNOTE: slight differnce in answer compared to textbook\n is due approximation of value of pi')
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