Hybrid simulation framework with mixed displacement and force control for fully compatible displacements

C Sepulveda, G Mosqueda, KJ Wang… - Earthquake …, 2024 - Wiley Online Library
A novel framework for hybrid simulation of the seismic response of structures is presented
that employs a mixed displacement and force control strategy. A key feature of this …

Advances in real-time hybrid testing technology for shaking table substructure testing

Y Tian, X Shao, H Zhou, T Wang - Frontiers in Built Environment, 2020 - frontiersin.org
Shaking table substructure testing (STST) takes the substructure with complex behavior
physically tested, with the behavior of the rest structural system being numerically simulated …

Attention-based hybrid convolutional-long short-term memory network for bridge pier hysteresis and backbone curves prediction

O Yazdanpanah, M Chang… - Integrated Computer …, 2024 - journals.sagepub.com
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proposes a solution to the problem of automatically predicting hysteresis and backbone …

Seismic response prediction of RC bridge piers through stacked long short-term memory network

O Yazdanpanah, M Chang, M Park, CY Kim - Structures, 2022 - Elsevier
This paper aims at addressing the prediction of the displacement time histories and
subsequently hysteresis curves of reinforced concrete bridge piers using a real-time hybrid …

Real‐time hybrid simulation for investigating the influence of vertical ground motions on the lateral response of RC piers

J Park, M Park, Y Chae, CY Kim - Earthquake Engineering & …, 2023 - Wiley Online Library
The vertical component of ground motions can affect the seismic performance of reinforced
concrete (RC) piers as significant as its horizontal counterpart. However, real‐time testing for …

Real‐time hybrid simulation for fluid‐structure interaction: Structures under seismic and hydrodynamic forces

Z Zhou, D Zhang, Y Zhang, S Gao… - … & Structural Dynamics, 2023 - Wiley Online Library
A new real‐time hybrid simulation (RTHS) scheme for fluid‐structure interaction to
investigate structures subjected to seismic and hydrodynamic forces is proposed. In …

Improved real‐time force control for applying axial force to axially stiff members

CB Cho, Y Chae, M Park - Earthquake Engineering & Structural …, 2024 - Wiley Online Library
One of the challenges in real‐time dynamic testing is effectively controlling axial forces for
axially stiff members such as columns, walls, and base isolators. Axial force has a significant …

Mastering seismic time series response predictions using an attention-Mamba transformer model for bridge bearings and piers across varied testing conditions

O Yazdanpanah, M Park, M Chang, Y Chae - Scientific Reports, 2024 - nature.com
This research introduces an advanced method for predicting seismic responses and
hysteresis curves of instrumented bridge piers and bearings under various loading …

Multi-axial cyclic loading tests for RC shear walls of nuclear power plant structures

Y Chae, J Park - Engineering Structures, 2022 - Elsevier
Reinforced concrete (RC) walls have been widely studied through experimental testing. A
great number of these existing studies considered only the in-plane loading cases, ignoring …

A model‐order reduction framework for hybrid simulation based on component‐mode synthesis

G Miraglia, M Petrovic, G Abbiati… - Earthquake …, 2020 - Wiley Online Library
Testing of stiff physical substructures (PSs) still poses major technical issues that prevent
from adopting hybrid simulation (HS) as a standard structural testing method. Firstly, elastic …