Volume 16, Issue 2 (4-2026)
IJOCE 2026, 16(2): 223-244 |
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Kamgar R, Rostami S. ENHANCING THE SEISMIC PERFORMANCE OF STEEL MOMENT FRAME STRUCTURES THROUGH THE OPTIMAL TUNING OF A PASSIVE INERTER-TUNED MASS DAMPER. IJOCE 2026; 16 (2) :223-244
URL: http://ijoce.iust.ac.ir/article-1-675-en.html
URL: http://ijoce.iust.ac.ir/article-1-675-en.html
1- Department of Civil Engineering, Shahrekord University, Shahrekord, Iran
2- Department of Civil Engineering, Technical and Vocational University (TVU), Tehran, Iran
2- Department of Civil Engineering, Technical and Vocational University (TVU), Tehran, Iran
Abstract: (744 Views)
A new type of seismic control device is introduced—the elastoplastic inerter-tuned mass damper—which omits the conventional viscous damping element and instead incorporates stiffness with elastoplastic behavior. The key objective is to benchmark its earthquake performance against alternative vibration mitigation strategies, including the standard tuned mass damper, the elastoplastic tuned mass damper, and the inerter-tuned mass damper. For each configuration, the design variables are optimized by minimizing the Park–Ang damage index, thereby maximizing the structure’s seismic resilience. A nine-story moment-resisting frame is employed and is modeled with the OpenSees software nonlinearly. Simulation results reveal that the proposed elastoplastic inerter-tuned mass damper surpasses all other examined systems. Specifically, it delivers up to a 38% drop in the global damage index and a 50% damage reduction in the lower stories.
Type of Study: Research |
Subject:
Optimal design
Received: 2026/02/20 | Accepted: 2026/04/28 | Published: 2026/05/3
Received: 2026/02/20 | Accepted: 2026/04/28 | Published: 2026/05/3
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