Optimal tuning and assessment of inertial dampers with grounded inerter for vibration control of seismically excited base-isolated systems

• Published in: Engineering structures Vol. 196; p. 109250
• Main Authors: De Angelis, Maurizio, Giaralis, Agathoklis, Petrini, Francesco, Pietrosanti, Daniele
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier Ltd 01.10.2019; Elsevier BV
• Subjects: Acceleration; Base isolation; Damping ratio; Design parameters; Earthquake accelerograms; Earthquake dampers; Earthquakes; Energy dissipation; Excitation; Ground motion; Inerter; Lateral displacement; Noise; Optimal design; Optimization; Pulse-like accelerograms; Random excitation; Seismic activity; Seismic design; Seismic isolation; Tuned inerter damper (TID); Tuned mass damper (TMD); Tuned mass damper inerter (TMDI); Vibration control; Wavelet analysis; White noise; Base isolation; Pulse-like accelerograms; Random excitation; Tuned mass damper (TMD); Tuned mass damper inerter (TMDI); Tuned inerter damper (TID); Inerter; Optimal design

•Energy-based optimal design and performance evaluation of TMDI-equipped BIS.•Quantification of seismic energy dissipation trade-off between BIS and TMDI.•Optimal TMDI design charts on the inertial plane for performance-based BIS design.•Assessment of colored frequency content excitation on the perf...