Classification and unified phenomenological modeling of complex uniaxial rate-independent hysteretic responses

N Vaiana, L Rosati - Mechanical Systems and Signal Processing, 2023 - Elsevier
The number and nature of hysteretic responses typically exhibited by mechanical systems
and materials are so huge that their modeling and identification are usually carried out on an …

Experimental tests and numerical modeling of full-scale unbonded fiber reinforced elastomeric isolators (UFREIs) under bidirectional excitation

D De Domenico, D Losanno, N Vaiana - Engineering structures, 2023 - Elsevier
Unbonded fiber reinforced elastomeric isolators (UFREIs) can be used for the seismic
protection of structures as a lower-cost alternative to conventional laminated rubber …

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 …

A generalized class of uniaxial rate-independent models for simulating asymmetric mechanical hysteresis phenomena

N Vaiana, S Sessa, L Rosati - Mechanical Systems and Signal Processing, 2021 - Elsevier
We extend a recently developed class of uniaxial symmetric rate-independent models to
simulate complex asymmetric mechanical hysteresis phenomena. The main features of the …

[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 …

A procedure to model and design elastomeric‐based isolation systems for the seismic protection of rocking art objects

D Pellecchia, S Lo Feudo, N Vaiana… - … ‐Aided Civil and …, 2022 - Wiley Online Library
This paper investigates the rocking behavior of rigid bodies seismically protected by means
of lead rubber bearings and high damping rubber bearings, which are the most popular …

A novel family of multiple springs models suitable for biaxial rate-independent hysteretic behavior

N Vaiana, D Losanno, N Ravichandran - Computers & Structures, 2021 - Elsevier
This paper presents a novel family of multiple springs models capable of reproducing the
nonlinear response typical of mechanical systems and materials having a biaxial kinematic …

A rate-independent internal friction to describe the hysteretic behavior of pantographic structures under cyclic loads

A Ciallella, D Pasquali, M Gołaszewski… - Mechanics Research …, 2021 - Elsevier
The cyclic behavior and dissipative properties of pantographic fabrics are analytically and
experimentally investigated in this paper. To these purposes, a two-dimensional second …

Collapse-resistant performance of long-span single-layer spatial grid structures subjected to equivalent sudden joint loads

L Tian, J Wei, Q Huang, JW Ju - Journal of Structural Engineering, 2021 - ascelibrary.org
A dynamic experiment of progressive collapse constitutes the basis of a collapse-resistant
analysis. To achieve broad applicability and avoid superfluous influencing factors, two …

Preliminary Investigation of Aging Effects on Recycled Rubber Fiber Reinforced Bearings (RR-FRBs)

D Losanno, F Palumbo, A Calabrese… - Journal of Earthquake …, 2022 - Taylor & Francis
The use of elastomeric bearings for base isolation is well established through several
studies. This paper is mainly focused on an innovative Fiber-Reinforced Bearing (FRB) …