Real‐time experimental validation of a novel semi‐active control scheme for vibration mitigation

MS Miah, EN Chatzi, VK Dertimanis… - Structural Control and …, 2017 - Wiley Online Library
This study performs an experimental investigation of a novel, semi‐active control strategy for
effective vibration mitigation. The implemented approach comprises a combination of the …

Performance and degradation of sliding steel friction connections: Impact of velocity, corrosion coating and shim material

GW Rodgers, JG Chase, R Causse, J Chanchi… - Engineering …, 2017 - Elsevier
It has become increasingly necessary to develop systems to decrease the impact of
earthquakes by protecting people and mitigating resulting structural and economic damage …

Seismic behavior of a self-centering system with 2–4 viscous damper

NK Hazaveh, JG Chase, GW Rodgers… - Journal of Earthquake …, 2020 - Taylor & Francis
This research demonstrates the efficacy of 2–4 viscous dampers in self-centering rocking
structures with bi‑linear elastic response, which is distinctly different to conventional fixed …

Vibration control of structures against near‐field earthquakes by using a novel hydro‐pneumatic semi‐active resettable device

SM Sajjadi Alehashem, J Wang, YQ Ni… - Structural Control and …, 2022 - Wiley Online Library
Near‐field earthquakes, characterized by long‐period velocity pulses with large peak
ground velocities and accelerations, have led to severe damage to many civil structures …

Nonlinear finite-element modeling of HF2V lead extrusion dam** devices: Generic design tool

V Vishnupriya, GW Rodgers… - Journal of Structural …, 2022 - ascelibrary.org
Supplemental energy-dissipation devices are increasingly used to protect structures, limiting
loads transferred to structures and absorbing significant response energy without sacrificial …

Experimental test and validation of a direction-and displacement-dependent viscous damper

NK Hazaveh, GW Rodgers, JG Chase… - Journal of Engineering …, 2017 - ascelibrary.org
Semiactive devices offer the opportunity to customize the device response, and thus to
customize the overall structural hysteretic response. However, they are actively controlled …

Design and experimental validation of a re-centring viscous dissipater

FG Golzar, GW Rodgers, JG Chase - Structures, 2018 - Elsevier
The design and experimental validation of a passive, hybrid self-centring supplemental
damper for low-damage structures is presented. The device combines rate-dependent …

[HTML][HTML] Effectiveness of deck-isolation and viscous dampers supplement on enhancing seismic performance of offshore jacket platforms

S Dashti, K Tarbali, C Zhou, JG Chase - Ocean Engineering, 2025 - Elsevier
Offshore structures, mainly used for oil production, are increasingly being adapted for
renewable energy applications. Seismic performance assessment of these structures is …

Optimal efficiency-power tradeoff for an air compressor/expander

AT Rice, PY Li, CJ Sanckens - Journal of …, 2018 - asmedigitalcollection.asme.org
An efficient and power dense high pressure air compressor/expander (C/E) is critical for the
success of a compressed air energy storage (CAES) system. There is a tradeoff between …

Resetting passive stiffness damper with passive negative stiffness device for seismic protection of structures

KK Walsh, G Sallar, JT Haftman… - Structural Control and …, 2021 - Wiley Online Library
The objective of the present study is to investigate a new energy dissipation system that
combines the positive stiffness of the resetting passive stiffness damper (RPSD) with the …