In finite elements, I have an element (please see the attached picture) with different stress distributions on its different edge. Please, how can I resolve the stress distributions on the edge of the finite element to equivalent forces acting on the nodes?
Thank you.
From shape function of element. Remember the equivalent load on nodes are calculated as:
Vol.Integral(Transpose(N)*F dV) + Surf.Integral(Transpose(N)*P dS)
where N is shape function, F is body force and P is surface traction vectors
Thank you so much, Abhimanyu Kumar. Please can you give the reference or source of the formula? I will like to read more about it.
Sam, it's available in every FEA book. These are my favorites:
1) Concepts and Applications of Finite Element Analysis by Cook (short and sweet)
2) Finite Element Procedures by Bathe (more detailed than previous one)
3) The Finite Element Method: Vol 1 by Zenkiewicz (The god book)
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