Topology optimization framework for structures subjected to stationary stochastic dynamic loads
F Gomez, BF Spencer - Structural and Multidisciplinary Optimization, 2019 - Springer
The field of topology optimization has progressed substantially in recent years, with
applications varying in terms of the type of structures, boundary conditions, loadings, and …
applications varying in terms of the type of structures, boundary conditions, loadings, and …
Optimal design of nonlinear energy sinks for mitigation of seismic response on structural systems
This paper proposes an approach for the optimal design of nonlinear energy sinks (NES)
installed in structures subjected to stochastic excitation. The response of these nonlinear …
installed in structures subjected to stochastic excitation. The response of these nonlinear …
Topology optimization of buildings subjected to stochastic base excitation
In seismically active regions, buildings are inevitably exposed to extreme ground motions.
Traditionally, the main structural system is designed iteratively to resist these loads, which …
Traditionally, the main structural system is designed iteratively to resist these loads, which …
Performance-based optimization of nonlinear structures subject to stochastic dynamic loading
J Xu, BF Spencer Jr, X Lu - Engineering Structures, 2017 - Elsevier
Structural optimization has been shown to be an efficient and effective method to obtain the
optimal design balancing competing objectives. However, literature on optimization of …
optimal design balancing competing objectives. However, literature on optimization of …
Topology optimization of multi-story buildings under fully non-stationary stochastic seismic ground motion
Topology optimization has been mainly addressed for structures under static loads using a
deterministic setting. Nonetheless, many structural systems are subjected to uncertain …
deterministic setting. Nonetheless, many structural systems are subjected to uncertain …
Optimal design of the seismic retrofitting of reinforced concrete framed structures using BRBs
This paper studies the optimization process through the metaheuristic algorithm known as
Simulated Annealing (SA) applied to a dissipative system formed by Buckling-Restrained …
Simulated Annealing (SA) applied to a dissipative system formed by Buckling-Restrained …
Optimum design of buckling-restrained braced frames
H Abedini, SRH Vaez, A Zarrineghbal - Structures, 2020 - Elsevier
The current study investigated the optimum design of buckling restrained braced frames
(BRBFs) subjected to seismic excitation. Nonlinear time history analysis was employed to …
(BRBFs) subjected to seismic excitation. Nonlinear time history analysis was employed to …
Key parameters influencing performance and failure modes for BRBs using nonlinear FEA
M AlHamaydeh, F Abed, A Mustapha - Journal of Constructional Steel …, 2016 - Elsevier
Conventional concentric braces buckle under compressive loading. To overcome this
limitation, the Buckling-Restrained Braces (BRBs) were introduced in the mid 70s. They …
limitation, the Buckling-Restrained Braces (BRBs) were introduced in the mid 70s. They …
Multi-objective optimal design of SC-BRB for structures subjected to different near-fault earthquake pulses
The purpose of this research is to propose a two-objective optimum design technique of self-
centering buckling restrained brace (SC-BRB) characteristics based on a multi-objective …
centering buckling restrained brace (SC-BRB) characteristics based on a multi-objective …
Stochastic optimisation of buckling restrained braced frames under seismic loading
A stochastic optimisation procedure is proposed for the design of low-and mid-rise buckling
restrained braced frames subject to seismic loading. The seismic excitation is represented …
restrained braced frames subject to seismic loading. The seismic excitation is represented …