Simple Deflection of a Cantilever Frame. Please Help.

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Homework Statement


For the given frame, find the horizontal deflection at the tip of the frame (deflection)C. The frame has a uniform stiffness EI.

http://img27.imageshack.us/img27/5493/83214722.png [Broken]

The Attempt at a Solution


I don't actually have anything to show, all I want is a hint in the right direction. I'm fine with solving cantilever beams with a given force applied, but I'm just really stuck with this frame, and how the vertical section of it interacts with the horizontal. I know it will deflect both horiztonally and vertically at C, but yeah, just not sure how to go about it...

A quick hint will hopefully be all I need.

Thanks guys,
 
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Answers and Replies

  • #2
dlgoff
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Separate into individual beams.
 
  • #3
PhanthomJay
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and note that the right angle between the 2 beams remains a right angle when the frame deflects.
 
  • #4
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How would I go about splitting it in to 2 beams? If I make AB a simple cantilever beam, what forces/moments would be acting at point B?
 
  • #5
PhanthomJay
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How would I go about splitting it in to 2 beams? If I make AB a simple cantilever beam, what forces/moments would be acting at point B?
If you draw a free body diagram of BC only, what force and moment (couple) acts on AB at joint B?
 

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