Determine the forces using virtual work(unit force method)

  • #1
Thread moved from the technical forums, so no Homework Template is shown
Summary:: Require to determine the designated forces using principle of virtual work ( unit force method )

I have no idea how to determine the multispan beam using virtual work, if I start to analyse the subsidiary portion BC member, the Yc can be calculated and following by the Ma... it seems don’t involve the unit force method
39FF031D-0966-4EC6-9DB0-F321BE1286CF.jpeg
 

Answers and Replies

  • #2
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I use the Principle of Virtual Work quite often, but I have to say that I do not see a simple way to employ it here. Is this a homework problem? If not, who cares what method is used?
 
  • #3
Yes, this is a homework problem, I know how to solve it if don't use virtual work method, but now I only can find the Yc
 

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