Dynamic Analysis of a Hybrid Squeeze Film Damper Mounted Rub-Impact Rotor-Stator System

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="279827.fig.009a" src="https://static.hindawi.com/articles/jam/volume-2012/279827/figures/279827.fig.009a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Phase diagram </td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="279827.fig.009b" src="https://static.hindawi.com/articles/jam/volume-2012/279827/figures/279827.fig.009b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Power spectrum </td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="279827.fig.009c" src="https://static.hindawi.com/articles/jam/volume-2012/279827/figures/279827.fig.009c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Lyapunov exponent</td></tr></table></td></tr><tr class="fig-image" id="d"><td><img alt="279827.fig.009d" src="https://static.hindawi.com/articles/jam/volume-2012/279827/figures/279827.fig.009d.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(d) </b> Poincaré map</td></tr></table></td></tr><tr class="fig-image" id="e"><td><img alt="279827.fig.009e" src="https://static.hindawi.com/articles/jam/volume-2012/279827/figures/279827.fig.009e.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(e) </b>Fractal dimension</td></tr></table></td></tr></table>

<table>Simulation results obtained for rotor-bearing system with <svg height="11.125" id="M119" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 54.275002 11.125" width="54.275002" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.862)"><use xlink:href="#x1D460"></use></g><g transform="matrix(.017,-0,0,-.017,11.146,10.862)"><use xlink:href="#x3D"></use></g><g transform="matrix(.017,-0,0,-.017,25.85,10.862)"><use xlink:href="#x30"></use></g><g transform="matrix(.017,-0,0,-.017,34.009,10.862)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,37.885,10.862)"><path d="M456 178h-96v-72q0 -51 12.5 -62.5t72.5 -16.5v-27h-256v27q65 5 78 17t13 62v72h-260v28q182 271 300 426h40v-407h96v-47zM280 225v295h-2q-107 -148 -196 -295h198z" id="x34"></path></g><g transform="matrix(.017,-0,0,-.017,46.044,10.862)"><use xlink:href="#x32"></use></g>
</svg> (with rub-impact effect).</table>

Journal of Applied Mathematics

fig9

Figure 9

Figure 9: Dynamic Analysis of a Hybrid Squeeze Film Damper Mounted Rub-Impact Rotor-Stator System 