[HTML][HTML] A nonlinear damped metamaterial: Wideband attenuation with nonlinear bandgap and modal dissipation

B Zhao, HR Thomsen, X Pu, S Fang, Z Lai… - … Systems and Signal …, 2024 - Elsevier
In this paper, we incorporate the effect of nonlinear damping with the concept of locally
resonant metamaterials to enable vibration attenuation beyond the conventional bandgap …

Vibration transmission through a cantilever beam in mass impacting metamaterial: An analytical investigation and experimentation

M Sethi, A Banerjee, B Manna - Mechanical Systems and Signal …, 2024 - Elsevier
This paper presents a novel form of mass-in-mass metamaterial, in which the internal
resonator is replaced by a beam. Additionally, stoppers are installed on either side of the …

Experimental testing and numerical validation of the Εxtended KDamper: A negative stiffness-based vibration absorber

A Mantakas, M Kalderon, KA Chondrogiannis… - Engineering …, 2024 - Elsevier
The KDamper absorber is a recently proposed innovative vibration mitigation solution based
essentially on the optimal combination of appropriate stiffness and damping elements, which …

Dynamic modelling and experimental testing of a dynamic directional amplification mechanism for vibration mitigation

M Kalderon, A Mantakas, I Antoniadis - Journal of Vibration Engineering & …, 2024 - Springer
Purpose Inertial amplification of an oscillating mass has been considered by various
researchers as a means to introduce enhanced vibration control properties to a dynamic …

Quasi-zero stiffness isolator suitable for low-frequency vibration

G Sui, X Zhang, S Hou, X Shan, W Hou, J Li - Machines, 2023 - mdpi.com
This paper proposes a quasi-zero stiffness (QZS) isolator based on an inclined trapezoidal
beam to explore its advantages in low-frequency passive vibration isolation. The nonlinear …

[HTML][HTML] Design of the negative stiffness NegSV mechanism for structural vibration attenuation exploiting resonance

KA Chondrogiannis, V Dertimanis, B Jeremic… - International Journal of …, 2023 - Elsevier
The principle of influencing oscillation amplitudes of a primary system via secondary
attachments can be enhanced with inclusion of nonlinear mechanisms towards energy …

Elastic wave control in reticulated plates using Schwarz primitive cells

A Hejazi Nooghabi, HR Thomsen… - Philosophical …, 2024 - royalsocietypublishing.org
In this work, the Schwarz primitive unit cell is used as the building block of different types of
metastructures for steering and focusing elastic vibrations. The emergence of a Bragg-type …

Design and experimental verification of an extended KDamper-based vibration absorber

A Mantakas, KA Chondrogiannis… - Journal of Physics …, 2024 - iopscience.iop.org
Recently, researchers have proposed an innovative negative stiffness-based vibration
control concept, namely the KDamper absorber. The envisaged mechanism comprises a …

Gaussian Process–Based Optimal Design of a Negative Stiffness Device under Stochastic Seismic Excitation

KA Chondrogiannis, G Arcieri, E Chatzi… - Journal of Engineering …, 2025 - ascelibrary.org
The protection of buildings under seismic events necessitates the development of efficient
vibration mitigation devices. The recently proposed negative stiffness vibration (NegSV) …

[PDF][PDF] Nonlinear and Metamaterial-based Solutions for Elastic Wave and Energy Guiding

B Zhao - 2024 - research-collection.ethz.ch
The recent thrusts in wave propagation and semiconductors since the late 20th century have
gradually shifted the design paradigm of civil and mechanical structures from trialand-error …