Design and Simulation of a Damper with Negative Stiffness for Vibration Mitigation from Drilling Equipment to a Semi-Submersible Platform

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Material</td><td class="align_center"><i>ρ</i> (kg/m<sup>3</sup>)</td><td class="align_center"><i>E</i> (MPa)</td><td class="align_center"><i>μ</i></td><td class="align_center"><i>σ</i> (MPa)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Steel (60Si2MnA)</td><td class="align_center">7740</td><td class="align_center">206000</td><td class="align_center">0.29</td><td class="align_center">1372</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Shock and Vibration

tab2

Table 2

Table 2: Design and Simulation of a Damper with Negative Stiffness for Vibration Mitigation from Drilling Equipment to a Semi-Submersible Platform 