Rocking block simulation based on numerical dissipation

AM D'Altri, G Vlachakis, S de Miranda, PB Lourenço - Nonlinear Dynamics, 2024 - Springer
In this paper, a computational approach based on numerical dissipation is proposed to
simulate rocking blocks. A rocking block is idealized as a solid body interacting with its …

[HTML][HTML] An optimization-based rigid block modeling approach to seismic assessment of dry-joint masonry structures subjected to settlements

FPA Portioli, L Cascini, R Landolfo… - Soil Dynamics and …, 2023 - Elsevier
A rigid block modeling approach is presented for rocking dynamics and nonlinear static
analysis of dry-joint masonry structures subjected to settlements and earthquake excitations …

Physics-informed artificial intelligence models for the seismic response prediction of rocking structures

S Shen, C Málaga-Chuquitaype - Data-Centric Engineering, 2024 - cambridge.org
The seismic response of a wide variety of structures, from small but irreplaceable museum
exhibits to large bridge systems, is characterized by rocking. In addition, rocking motion is …

Strange Nonchaotic Attractors in a Quasiperiodically Excited Slender Rigid Rocking Block with Two Frequencies

J Jiang, Z Du - Acta Mechanica Solida Sinica, 2024 - Springer
In this paper, we investigate the existence of strange nonchaotic attractors (SNAs) in a
slender rigid rocking block under quasi-periodic forcing with two frequencies. We find that an …

Shake table testing and finite element modeling of a modular prefabricated concrete bridge‐like specimen accounting for geometry imperfections and additional …

AA Katsamakas, MF Vassiliou… - … Engineering & Structural …, 2024 - Wiley Online Library
This paper presents the shake table testing and finite element (FE) modeling of a modular
prefabricated concrete bridge‐like specimen. The specimen comprised four equal‐height …

A multi‐level approach to predict the seismic response of rigid rocking structures using artificial neural networks

SA Banimahd, AI Giouvanidis… - Earthquake …, 2024 - Wiley Online Library
This paper explores the use of Artificial Neural Networks (ANN) for the rocking problem. The
paper adopts rigid rocking blocks of different sizes and slenderness, which undergo rocking …

Ground motion processing in rocking structures

M Elmorsy, MF Vassiliou - COMPDYN 2023: 9th …, 2023 - research-collection.ethz.ch
Recorded ground motions require filtering and baseline correction to remove noise that
results in unrealistic velocity and displacement time histories. The effect of ground motion …

Experimental evaluation of the role of slenderness in seismic behaviour of bridges with rockable footing

Z Yang, Y Lyu, N Li, Z Li, R Xue… - … Engineering & Structural …, 2024 - Wiley Online Library
Observations in major earthquakes have shown that rockable structures suffered less to no
damage. During rocking, that is, partial and temporary footing separations, the influx of …

Floating column mechanism experimental investigation in historic timber buildings subjected to decay for seismic resilience

L Chen, C Zhai, Q Chen, X Hu, T Wu… - … Structural Design of …, 2024 - Wiley Online Library
Traditional wooden structures are characterized by the presence of a column base that
seems to be floated above the foundation stone. This study used pseudo‐static experiments …

Finite element modeling of the shake-table response of a bridge-like model comprising rocking columns

AA Katsamakas, MF Vassiliou - COMPDYN 2023: 9th …, 2023 - research-collection.ethz.ch
This paper presents a three-dimensional finite element model to predict the shake-table
response of a rocking bridge-like specimen. The numerical model is statistically validated …