Constrained and Unconstrained Optimization Formulations for Structural Elements in Unilateral Contact with an Elastic Foundation

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="86520.fig.001a" src="https://static.hindawi.com/articles/mpe/volume-2008/786520/figures/86520.fig.001a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Engineering problem</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="86520.fig.001b" src="https://static.hindawi.com/articles/mpe/volume-2008/786520/figures/86520.fig.001b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Engineering model</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="86520.fig.001c" src="https://static.hindawi.com/articles/mpe/volume-2008/786520/figures/86520.fig.001c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Deformation pattern</td></tr></table></td></tr></table>

<table>Structure under unilateral contact constraints imposed by an elastic foundation.</table>

Mathematical Problems in Engineering

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Figure 1

Figure 1: Constrained and Unconstrained Optimization Formulations for Structural Elements in Unilateral Contact with an Elastic Foundation 