How many DOFs does a two-nodal, planar truss element have in its local coordinate system, and in the global coordinate system? Why is there a difference in DOFs in these two coordinate systems?
Posted: January 9th, 2022
How many DOFs does a two-nodal, planar truss element have in its local coordinate system, and in the global coordinate system? Why is there a difference in DOFs in these two coordinate systems?
Write down the expression for the element stiffness matrix, ke, with Young’s modulus, E, length, le, and cross-sectional area, A = 0.02x + 0.01. (Note: non-uniform cross-sectional area.)
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