Seismic Reliability Analysis of Structures by an Adaptive Support Vector Regression-Based Metamodel

A Roy, S Chakraborty - Journal of Earthquake Engineering, 2024 - Taylor & Francis
The dual metamodeling approach is usually adopted to tackle the stochastic nature of
earthquakes in seismic reliability analysis relying on the lognormal response assumption …

Reliability‐Based Multi‐Hazard Design Optimization of Base‐Isolated Buildings

DH Zelleke, SK Saha, VA Matsagar - Engineering Structures, 2024 - Elsevier
The design optimization of structures under multi-hazard scenarios is challenging,
especially when different hazards have contradicting influences on the selection of design …

Reliability-Based Design Optimization of Structures Considering Uncertainties of Earthquakes Based on Efficient Gaussian Process Regression Metamodeling

Y Xiao, F Yue, X Wang, X Zhang - Axioms, 2022 - mdpi.com
The complexity of earthquakes and the nonlinearity of structures tend to increase the
calculation cost of reliability-based design optimization (RBDO). To reduce computational …

Seismic fragility analysis of structures based on adaptive gaussian process regression metamodel

Y Xiao, F Yue, X Zhang - Shock and Vibration, 2021 - Wiley Online Library
Metamodel‐based seismic fragility analysis methods can overcome the challenge of high
computational costs of problems considering the uncertainties of earthquakes and structural …

[HTML][HTML] Seismic reliability analysis of nonlinear structures by active learning-based adaptive sparse Bayesian regressions

A Roy, S Chakraborty, S Adhikari - International Journal of Non-Linear …, 2024 - Elsevier
Abstract The Monte Carlo simulation (MCS) technique is quite simple in concept and the
most accurate for seismic reliability analysis (SRA) of structures involving nonlinear seismic …

Accelerating uncertainty quantification in incremental dynamic analysis using dimension reduction-based surrogate modeling

DG Giovanis, A Taflanidis, MD Shields - Bulletin of Earthquake …, 2024 - Springer
We propose a surrogate modeling framework based on dimension reduction to facilitate the
quantification of seismic risk of structural systems in performance-based earthquake …

Time-dependent seismic reliability of isolated bridges considering ageing deterioration of lead rubber bearings

H Matsuzaki - Structure and Infrastructure Engineering, 2022 - Taylor & Francis
Seismic isolation is an effective technology for mitigating the seismic damage to bridges.
However, rupture and large cracks of laminated rubber bearings, including lead rubber …

Design optimization of hybrid isolation bearing for base-isolated buildings catering to multi-level performance fortification criteria

W He, J Qiao, K Ye, H Xu - Structures, 2023 - Elsevier
The adaptive seismic isolation system has attracted significant attention from researchers
due to its multi-stage behavior and which can be used for multi-staged performance-based …

Seismic Fragility Analysis of Base-Isolated Structures Based on Response Surface Method

C Luo, H Wang, X Guo, F Wang, K Tao… - ASCE-ASME Journal of …, 2023 - ascelibrary.org
Base-isolated structures face a risk of damage under the action of earthquakes, and base
isolation devices may be susceptible to damage during severe earthquakes. This study …

Multi-objective optimization of nano-silica modified cement-based materials mixed with supplementary cementitious materials based on response surface method

X Zhang, L Lin, M Bi, H Sun, H Chen, Q Li… - Frontiers in Materials, 2021 - frontiersin.org
This paper investigates the effect of supplementary cementitious materials (SCMs) on the
fresh and mechanical properties of nano-silica modified cement-based materials (NSMCBM) …