What are the variables in the deflection equation for a cantilever beam?

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SUMMARY

The deflection equation for a cantilever beam is defined as deflection = (4F/Ebh^3) * L. In this equation, F represents the force or load applied to the beam, E denotes Elastic or Young's modulus, b is the width (thickness) of the beam's cross-section, h is the height of the cross-section, and L is the length of the beam. The maximum deflection is directly proportional to the cube of the length, emphasizing the significance of the beam's dimensions in structural analysis.

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  • Understanding of cantilever beam mechanics
  • Knowledge of Elastic or Young's modulus (E)
  • Familiarity with cross-sectional area calculations
  • Basic principles of structural engineering
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  • Research the calculation of the moment of inertia for different beam cross-sections
  • Learn about the implications of varying Young's modulus on beam deflection
  • Study the effects of load distribution on cantilever beam performance
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Engineering students, structural engineers, and anyone involved in the design and analysis of cantilever beams will benefit from this discussion.

jhwatts
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I need some help. I writing up a lab report and I am not sure how to define the equtaion i took down in my notes.

deflection = (4F/Ebh^3) * L

Im not sure if this is the right eqution.
If so can some one please tell me what the varibales: E, b, F and h are.

Thanks
 
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I imagine F = force or load, E = Elastic or Young's modulus.

L is probably length, but the maximum deflection is proportional to the cube of the length.

b might be thickness (lateral), and h might be height.

What is the cross-section and how does one calculate the moment of inertia for this cross-section?
 
You're in the wrong place. Delete this and put it in the homework section.
 
Come on... jesus, b-base h-height L-length.

If you don't know what F and E are...sad.

b.t.w. bh^3 looks a lot like MOAI to me.
 
Last edited:

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