Influence of Non-Structural Localized Inertia on Free Vibration Response of Thin-Walled Structures by Variable Kinematic Beam Formulations

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="141982.fig.0010a" src="https://static.hindawi.com/articles/sv/volume-2014/141982/figures/141982.fig.0010a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b><svg height="11.125" id="M189" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 16.4375 11.125" width="16.4375" 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)"><path d="M384 0h-275v27q67 5 81.5 18.5t14.5 68.5v385q0 38 -7.5 47.5t-40.5 10.5l-48 2v24q85 15 178 52v-521q0 -55 14.5 -68.5t82.5 -18.5v-27z" id="x31"></path></g><g transform="matrix(.017,-0,0,-.017,8.222,10.862)"><path d="M241 635q53 0 94 -28.5t63.5 -76t33.5 -102.5t11 -116q0 -58 -11 -112.5t-34 -103.5t-63.5 -78.5t-94.5 -29.5t-95 28t-64.5 75t-34.5 102.5t-11 118.5q0 58 11.5 112.5t34.5 103t64.5 78t95.5 29.5zM238 602q-32 0 -55.5 -25t-35.5 -68t-17.5 -91t-5.5 -105
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</svg> L9 LE model (29.861 Hz)</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="141982.fig.0010b" src="https://static.hindawi.com/articles/sv/volume-2014/141982/figures/141982.fig.0010b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>FEM-3D model (29.756 Hz)</td></tr></table></td></tr></table>

<table>Eighth modal shape of the C-shaped beam.</table>

Shock and Vibration

fig10

Figure 10

Figure 10: Influence of Non-Structural Localized Inertia on Free Vibration Response of Thin-Walled Structures by Variable Kinematic Beam Formulations 

Figure 10 | Influence of Non-Structural Localized Inertia on Free Vibration Response of Thin-Walled Structures by Variable Kinematic Beam Formulations 