25. Finding element forces

Direct Stiffness Method for Truss Analysis
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Questions and discussion for this lecture live here. Fire away by hitting Reply below :fire:

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Hi, I think there’s a small typo in member B when finding Ux2L and Ux3L. The global displacement matrix is written using node 1 and 2, but I think it should be node 2 and 3. I believe it’s just a typo, since the values used are already from node 2 and 3: [Ux2L, Uy2L, Ux3L, Uy3L]^T

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Thanks @Anggadiawan_Pradipta…well spotted!
Seán