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

<div>Simulation results of the single NSD model. (a) The time history of the force of an eccentric column. (b) Axial force–deformation relationship of the single NSD model.</div>

Shock and Vibration

fig20

Figure 20

Figure 20: Design and Simulation of a Damper with Negative Stiffness for Vibration Mitigation from Drilling Equipment to a Semi-Submersible Platform 