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EXPERIMENT 5

Modes of Vibrations of Beams under flexure

 

To read the theory Manual of the experiment click here

See related video

Enter the length of beam,L (in meters)                      

Enter the breadth of beam,b (in meters)            


Enter the depth of beam,D  (in meters)                    

OR


Enter the Area of beam,A (in squaremeters)            


Enter the moment of Inertia of beam,I  (in meters)                    

                  

EXPERIMENTAL QUIZ

Pre-experiment quiz questions

    2 Post- experiment quiz questions

 

Enter the density of beam  (in kg/m3)                    


Enter the Young's modulus of Elasticity of beam,E (in N/m2)         


Select the value of n


               1

               2

               3

               4

               5

             


Frequency,fn (in Hz)                                                       

 

Mode Shapes of the Beam

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EXERCISE FOR USERS :

1) Compute frequency for five different lengths of the beam keeping all other parameters constant. Fill in the values below and plot a graph between frequency and length.

- What do you observe ?

- Why do you observe so ?

[Hint : Go through theory manual provided at top of the page]

 

  L1:  L2:  L3:   L4: 

  L5:  



  f1:      f2:    f3:    f4:  

  f5:  

( You can see the graph below)

[ PRESS RESET TO CLEAR OLD VALUES OF Exercise 1 ]

2) Compute frequency for five different Young's Modulus of Elasticity of the beam keeping all other parameters constant. Fill in the values below and plot a graph between frequency and Young's Modulus .

- What do you observe ?

- Why do you observe so ?

[Hint : Go through theory manual provided at top of the page]

: E1:   E2:   E3:  E4:

 E5: