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primary unknown of FEM formulation
Mon, 2008-01-28 12:11 - surajitdas
In beam FEM problem generally the nodal displacement (v) and slope (θ) are taken as primary unknowns to determine the element shape function. What will be the obstackle/s if, instead of considering the slope, the nutral axis curvature (κ) is considered as primary unknown along with the displacement?
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