Surrogate modeling of structural seismic response using probabilistic learning on manifolds

K Zhong, JG Navarro, S Govindjee… - … & Structural Dynamics, 2023 - Wiley Online Library
Nonlinear response history analysis (NLRHA) is generally considered to be a reliable and
robust method to assess the seismic performance of buildings under strong ground motions …

Hybrid surrogate model combining physics and data for seismic drift estimation of shear‐wall structures

Y Fei, W Liao, P Zhao, X Lu… - Earthquake Engineering & …, 2024 - Wiley Online Library
To address the issue of costly computational expenditure related to high‐fidelity numerical
models, surrogate models have been widely used in various engineering tasks, including …

Estimation of first-passage probability under stochastic wind excitations by active-learning-based heteroscedastic Gaussian process

J Kim, S Yi, J Song - Structural Safety, 2023 - Elsevier
In the processes for designing and assessing structural systems, it is essential to evaluate
their reliability against stochastic loads caused by natural or human-made hazards, eg, wind …

Earthquake data augmentation using wavelet transform for training deep learning based surrogate models of nonlinear structures

SS Parida, S Bose, G Apostolakis - Structures, 2023 - Elsevier
Abstract Machine learning methods have gained traction in the civil engineering community
for analysis of civil infrastructures. A major field of application is in development of surrogate …

Efficient seismic fragility analysis considering uncertainties in structural systems and ground motions

J Kim, T Kim - Earthquake Engineering & Structural Dynamics, 2024 - Wiley Online Library
Fragility plays a pivotal role in performance‐based earthquake engineering, which
represents the seismic performance of structural systems. To comprehensively understand …

A multi-fidelity stochastic simulation scheme for estimation of small failure probabilities

M Li, S Arunachalam, SMJ Spence - Structural Safety, 2024 - Elsevier
Computing small failure probabilities is often of interest in the reliability analysis of
engineering systems. However, this task can be computationally demanding since many …

SVD enabled data augmentation for machine learning based surrogate modeling of non-linear structures

SS Parida, S Bose, M Butcher, G Apostolakis… - Engineering …, 2023 - Elsevier
The computationally expensive estimation of engineering demand parameters (EDPs) via
finite element (FE) models, while considering earthquake and material parameter …

Uncertainty quantification for seismic response using dimensionality reduction‐based stochastic simulator

J Kim, Z Wang - Earthquake Engineering & Structural …, 2024 - Wiley Online Library
This paper introduces a stochastic simulator for seismic uncertainty quantification, which is
crucial for performance‐based earthquake engineering. The proposed simulator extends the …

[HTML][HTML] AI-based modeling and data-driven identification of moving load on continuous beams

H Zhang, Y Zhou - Fundamental Research, 2023 - Elsevier
Traffic load identification for bridges is of great significance for overloaded vehicle control as
well as the structural management and maintenance in bridge engineering. Unlike the …

The automated collapse data constructor technique and the data‐driven methodology for seismic collapse risk assessment

N Bijelić, DG Lignos, A Alahi - Earthquake Engineering & …, 2023 - Wiley Online Library
Majority of the past research on application of machine learning (ML) in earthquake
engineering focused on contrasting the predictive performance of different ML algorithms. In …