ABAQUS/CAE - How can I model a two-storey shear frame with rigid floors and LUMPED masses?
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This would seem like a simple task. Anyhow, I am having some trouble.
Problem description: I want to model a two-storey shear frame with rigid floors and lumped masses? I.e., in all its simplicity, a two-DOF system ignoring the mass of the columns and lumping the mass at the two rigid floor beams. A typical example in all books on structural dynamics.