Displacement and Deflection

  • #1
Hi I am tackling a question which combines Beam deflection with Bending Virtual Load.
I am wondering whether the displacement found at a point through complementary energy (virtual load) is the same an the deflection through beam integration at that same point?

It maybe a stupid question but I'm struggling to tell the difference!
 

Answers and Replies

  • #2
Sorry just to clarify when I said displacement I mean the transverse displacement (usual symbol is v).
 
  • #3
SteamKing
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Hi I am tackling a question which combines Beam deflection with Bending Virtual Load.
I am wondering whether the displacement found at a point through complementary energy (virtual load) is the same an the deflection through beam integration at that same point?

It maybe a stupid question but I'm struggling to tell the difference!

If the two deflections aren't equal, then there is a problem somewhere. You can always analyze a simple problem from a beam table (like a cantilever, for instance) using the two methods to check.
 

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