Deflection of cantilever beam having two Young's modulas

Join the discussion
Registration is free. Ask a follow-up in this thread, or start your own.
4 replies · 2K views
cvnaditya
Messages
7
Reaction score
0
what is the formula for the cantilever beam having two different young's modulas and moment of inertia, when a point load is acting on the free end.

i have been trying but unable to get the formula. if the formula i can validate my project work and complete it
 
Physics news on Phys.org
cvnaditya said:
what is the formula for the cantilever beam having two different young's modulas and moment of inertia, when a point load is acting on the free end.

i have been trying but unable to get the formula. if the formula i can validate my project work and complete it
I'm afraid this description of the beam and the materials composing it is a little vague.

Are we talking something like a leaf spring, with two different materials lapped together? Is one portion of the length of the beam one material, and the rest of the beam composed of another material?

You should try to be as specific as possible about the construction of your beam. Pictures always help.
 
Each material has only one Young's Modulus value. If there are two involved, then there must be two materials and the geometry of the two becomes significant.
 
  • Like
Likes   Reactions: cvnaditya
SteamKing said:
I'm afraid this description of the beam and the materials composing it is a little vague.

Are we talking something like a leaf spring, with two different materials lapped together? Is one portion of the length of the beam one material, and the rest of the beam composed of another material?

You should try to be as specific as possible about the construction of your beam. Pictures always help.
Yes, your right one length one material and rest of the length will be another material...

I derived the formula using basic govering equation yesterday and verified it with MATLAB program for cantilever beam. Both the results are correct, it is used for having two different materials and moment of inertia for a cantilever beam.
Capture.PNG
 
OldEngr63 said:
Each material has only one Young's Modulus value. If there are two involved, then there must be two materials and the geometry of the two becomes significant.
yes sir, i have posted formula. i hope it is correct and useful.