Evaluation of path-dependent work and internal energy change for hysteretic mechanical systems

N Vaiana, R Capuano, L Rosati - Mechanical Systems and Signal …, 2023 - Elsevier
The accuracy of procedures for the analysis and design of hysteretic mechanical systems, in
which both generalized rate-dependent and rate-independent hysteretic forces have a non …

[HTML][HTML] Analytical and differential reformulations of the Vaiana–Rosati model for complex rate-independent mechanical hysteresis phenomena

N Vaiana, L Rosati - Mechanical Systems and Signal Processing, 2023 - Elsevier
A recent analytical model of hysteresis, developed by the authors to simulate a great variety
of complex uniaxial rate-independent mechanical hysteresis phenomena, is reformulated in …

[HTML][HTML] Axial hysteretic behaviour of wire rope isolators: Experiments and modelling

D Pellecchia, N Vaiana, M Spizzuoco, G Serino… - Materials & Design, 2023 - Elsevier
An experimental campaign aiming to study the dynamic response of four different helical
Wire Rope Isolators (WRIs) loaded along the axial direction is described in the paper. A total …

Optimum design and performance of a base-isolated structure with tuned mass negative stiffness inerter damper

KK Kiran, MA Al-Osta, S Ahmad - Scientific Reports, 2023 - nature.com
In order to increase the efficiency of the structures to resist seismic excitation, combinations
of inerter, negative stiffness, and tuned mass damper are used. In the present work, the …

Effect of elastomeric bearing stiffness on the dynamic response of railway bridges considering vehicle–bridge interaction

E Erduran, C Nordli, S Gonen - Applied Sciences, 2022 - mdpi.com
This article presents a numerical study that aims to explore the impacts of the stiffness of
elastomeric bearings on the dynamic behavior of railway bridges under train-induced …

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 …

Seismic response of isolated structures with an improved model of the UFREI

S Prakash, RS Jangid - Structures, 2022 - Elsevier
An improved formulation of the horizontal shear behavior of the unbonded fiber-reinforced
elastomeric isolators (UFREI), which predicts both the pre-rollover and the post-rollover …

Analysis of seismically‐isolated two‐block systems using a multi–rocking‐body dynamic model

G Destro Bisol, M DeJong, D Liberatore… - … ‐Aided Civil and …, 2023 - Wiley Online Library
A novel multibody rocking model is developed to investigate the dynamic response of two
stacked rigid blocks placed on a linear base isolation device. The model is used to …

Seismic performance assessment of nylon lines for protecting museum collections

W Yang, X Zou, M Wang, P Liu - Soil Dynamics and Earthquake …, 2023 - Elsevier
While earthquakes pose a threat to both museum buildings and collections, the latter can be
especially vulnerable. Seismic damage to museum collections can be minimized by …

Shake table tests for the seismic performance assessment of desktop medical laboratory equipment considering the effect of adjacent walls and restrainers

P Yu, C Zhai, J Liu, X Wang - Structures, 2023 - Elsevier
Earthquake damage to freestanding contents has received significant concerns in past
earthquakes. Shaking table tests are conducted to investigate the seismic performance of …