High Response Performance of a Tuned-Mass Damper for Vibration Suppression of Offshore Platform under Earthquake Loads

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Earthquake</td><td class="align_center" rowspan="2">Controllers</td><td class="align_center" colspan="2">Reduction (%)</td></tr><tr class="thead"><td class="align_center">Displacement</td><td class="align_center">Acceleration</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left" rowspan="3">El Centro</td><td class="align_center">Tuned-liquid damper </td><td class="align_center">17.6</td><td class="align_center">11.28</td></tr><tr><td class="align_center">Active mass damper </td><td class="align_center">16.7</td><td class="align_center">−6.77</td></tr><tr><td class="align_center">Tuned-mass damper</td><td class="align_center">28.05</td><td class="align_center">32.39</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Effectiveness comparison of the control schemes.

Shock and Vibration

tab2

Table 2

Table 2: High Response Performance of a Tuned-Mass Damper for Vibration Suppression of Offshore Platform under Earthquake Loads 