Comparative Analysis of Al-Li Alloy and Aluminum Honeycomb Panel for Aerospace Application by Structural Optimization

<table class="table-group" id="tab9"><tr><td><table class="table"><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr class="thead"><td align="left">Mode order</td><td align="center">1</td><td align="center">2</td><td align="center">3</td><td align="center">4</td><td align="center">5</td><td align="center">6</td><td align="center">7</td><td align="center">8</td></tr><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr><td align="left">Natural frequency [Hz]</td><td align="center">115.3</td><td align="center">190</td><td align="center">215.2</td><td align="center">251</td><td align="center">186.9</td><td align="center">279.6</td><td align="center">294.3</td><td align="center">317</td></tr><tr class="table-tr"><td colspan="9"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Natural frequencies of first eight order modes.

Mathematical Problems in Engineering

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Table 9

Table 9: Comparative Analysis of Al-Li Alloy and Aluminum Honeycomb Panel for Aerospace Application by Structural Optimization 