A Multimode Approach to Geometrically Nonlinear Free and Forced Vibrations of Multistepped Beams

<table class="table-group" id="tab8"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2"> </td><td class="align_center" colspan="4">Mode index</td></tr><tr class="thead"><td class="align_center">1</td><td class="align_center">2</td><td class="align_center">3</td><td class="align_center">4</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Present work</td><td class="align_center">4.4812</td><td class="align_center">7.4397</td><td class="align_center">10.4164</td><td class="align_center">13.3922</td></tr><tr><td class="align_left">[<a href="/journals/sv/2021/6697344/#B34" target="_blank">34</a>]</td><td class="align_center">4.4808</td><td class="align_center">7.4390</td><td class="align_center">10.4155</td><td class="align_center">13.3911</td></tr><tr><td class="align_left">Rel diff (%)</td><td class="align_center">0.0094</td><td class="align_center">0.009</td><td class="align_center">0.008</td><td class="align_center">0.007</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

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Shock and Vibration

tab8

Table 8

Table 8: A Multimode Approach to Geometrically Nonlinear Free and Forced Vibrations of Multistepped Beams 