A Corotational Formulation Based on Hamilton’s Principle for Geometrically Nonlinear Thin and Thick Planar Beams and Frames

<div>Dimensionless load-displacement curves of the pinned-fixed square diamond frame loaded in tension, h = 2.8284 m.</div>

Mathematical Problems in Engineering

Figure 9: A Corotational Formulation Based on Hamilton’s Principle for Geometrically Nonlinear Thin and Thick Planar Beams and Frames 