Experimental and Computational Modal Analyses for Launch Vehicle Models considering Liquid Propellant and Flange Joints

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/ijae/volume-2018/4865010/figures/4865010.fig.0016a.svgz" name="4865010.fig.0016a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Spring constant: 10<sup>5</sup> N/m</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/ijae/volume-2018/4865010/figures/4865010.fig.0016b.svgz" name="4865010.fig.0016b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Spring constant: 10<sup>10</sup> N/m</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/ijae/volume-2018/4865010/figures/4865010.fig.0016c.svgz" name="4865010.fig.0016c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Spring constant: 10<sup>18</sup> N/m</td></tr></table>

<div>The predicted first bending modes in terms of the spring constant (liquid filling ratio: 0%).</div>

International Journal of Aerospace Engineering

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Figure 16

Figure 16: Experimental and Computational Modal Analyses for Launch Vehicle Models considering Liquid Propellant and Flange Joints 