Seismic Performance and Ice-Induced Vibration Control of Offshore Platform Structures Based on the ISO-PFD-SMA Brace System

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Mode number</td><td class="align_center">Frequency (Hz)</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">0.742</td></tr><tr><td class="align_left">2</td><td class="align_center">0.787</td></tr><tr><td class="align_left">3</td><td class="align_center">0.792</td></tr><tr><td class="align_left">4</td><td class="align_center">1.481</td></tr><tr><td class="align_left">5</td><td class="align_center">1.604</td></tr><tr><td class="align_left">6</td><td class="align_center">2.247</td></tr><tr><td class="align_left">7</td><td class="align_center">2.657</td></tr><tr><td class="align_left">8</td><td class="align_center">2.861</td></tr><tr><td class="align_left">9</td><td class="align_center">3.008</td></tr><tr><td class="align_left">10</td><td class="align_center">3.091</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Calculated natural frequencies of JZ20-2MUQ platform structure.

Advances in Materials Science and Engineering

tab2

Table 2

Table 2: Seismic Performance and Ice-Induced Vibration Control of Offshore Platform Structures Based on the ISO-PFD-SMA Brace System 