Design and Investigation of a Nonlinear Damper Based on Energy Dissipation through Shock and Dry Friction to Suppress Critical Self-Excited Vibrations in Drilling Systems

<div>Influence of the natural frequency of the structure on the damping effect of the shock-friction damper (a) <i>f</i> = 130 Hz, (b) <i>f</i> = 260 Hz, and (c) <i>f</i> = 390 Hz with optimized backlash width.</div>

Shock and Vibration

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Figure 12

Figure 12: Design and Investigation of a Nonlinear Damper Based on Energy Dissipation through Shock and Dry Friction to Suppress Critical Self-Excited Vibrations in Drilling Systems 

Figure 12 | Design and Investigation of a Nonlinear Damper Based on Energy Dissipation through Shock and Dry Friction to Suppress Critical Self-Excited Vibrations in Drilling Systems 