Problems 5.19: Use the minimum number of Euler-Bernoulli beam finite elements to analyze the beam problems shown in Figs. P5.6-P5.20. In particular, give:
(a) the assembled stiffness matrix and force vector;
(b) the specified global displacements and forces, and the equilibrium conditions;
(c) the condensed matrix equations for the primary unknowns (i.e., generalized forces) separately.
Exploit symmetries, if any, in analyzing the problems. The instructor may also ask the students to compute the secondary variables at points other than the nodes.
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