Results 41 to 50 of about 8,512,124 (296)

A Numerical–Experimental Approach for Multi‐Matrix Fiber‐Reinforced Plastics Characterization Using Finite Element Model Updating

Advanced Engineering Materials, EarlyView.
A numerical–experimental framework is developed for characterizing multi‐matrix fiber‐reinforced polymers (MM‐FRPs) combining epoxy and polyurethane matrices. Harmonic bending tests are integrated with finite element model updating (FEMU) to simultaneously identify elastic and viscoelastic material parameters.
Rodrigo M. Dartora, Tales V. Lisbôa, Axel Spickenheuer, Rogério J. Marczak, Jakson M. Vassoler   +4 more
wiley   +1 more source

Passive Damping of Solar Array Vibrations Using Hyperelastic Shape Memory Alloy with Multilayered Viscous Lamina

Aerospace, 2023
A novel passive vibration-damping device is proposed and investigated for a large deployable solar array. One strategy for achieving high damping in a solar panel is using a yoke structure comprising a hyperelastic shape memory alloy and multiple viscous
Jae-Hyeon Park, Sung-Woo Park, Jong-Pil Kim, Hyun-Ung Oh   +3 more
doaj   +1 more source

Optimum and performance of absorber with zero damping

IOP Conference Series: Materials Science and Engineering, 2019
Abstract This paper considers optimum parameters tuned mass damper (TMD) as a vibration absorber with zero damping. Generally, tuned absorbers with damping have been considered to be applied to the structures. While adjusting damping constant produces additional complexity in real applications, this paper investigates the use of absorber
Y Arfiadi, R Frans
openaire   +1 more source

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

Advanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal, Michael M. Becker, Sarah C. L. Fischer   +2 more
wiley   +1 more source

Numerical design and test on an assembled structure of a bolted joint with viscoelastic damping [PDF]

, 2015
Mechanical assemblies are subjected to many dynamic loads and modifications are often needed to achieve acceptable vibration levels. While modifications on mass and stiffness are well mastered, damping modifications are still considered difficult to ...
BALMES, Etienne, GUSKOV, Mikhail, HAMMAMI, Chaima   +2 more
core   +1 more source

The experimental response of a broadband base-excited vibration isolator incorporating cubic damping

, 2013
Structural damping is often assumed to be viscous and linear which leads to comparatively straightforward vibration analysis. In the case of vibration isolation mounts this assumption of linearity is particularly questionable and one might want to know ...
Ferguson, N.S., Waters, T.P., Panananda, N.   +2 more
core   +1 more source

In-flight performance of the DAMPE silicon tracker

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2019
DAMPE (DArk Matter Particle Explorer) is a spaceborne high-energy cosmic ray and gamma-ray detector, successfully launched in December 2015. It is designed to probe astroparticle physics in the broad energy range from few GeV to 100 TeV. The scientific goals of DAMPE include the identification of possible signatures of Dark Matter annihilation or decay,
Tykhonov, A., Ambrosi, G., Asfandiyarov, R., Azzarello, P., Bernardini, P., Bertucci, B., Bolognini, A., Cadoux, F., D'Amone, A., De Benedittis, A., De Mitri, I., Di Santo, M., Dong, Y. F., Duranti, M., D'Urso, D., Fan, R. R., Fusco, P., Gallo, V., Gao, M., Gargano, F., Garrappa, S., Gong, K., Ionica, M., La Marra, D., Loparco, F., Marsella, G., Mazziotta, M. N., Peng, W. X., Qiao, R., Salinas, M. M., Surdo, A., Vagelli, V., Vitillo, S., Wang, H. Y., Wang, J. Z., Wang, Z. M., Wu, D., Wu, X., Zhang, F., Zhang, J. Y., Zhao, H., Zimmer, S.   +41 more
openaire   +7 more sources

New AI‐Assisted Approach for Expanding the Solution Space: Application to Lattice Structure Design

Advanced Engineering Materials, EarlyView.
This work introduces an innovative framework for designing structured materials by ex panding the design space through reparameterization of qualitative variables into continuous structural descriptors. Combined with machine‐learning‐based prediction and multi‐objective optimization, the approach enables the discovery of novel lattice architectures ...
G. H. Gahimbare, Y. Beideler, D. Chune, R. De Guio, T. Roland, H. Chibane   +5 more
wiley   +1 more source

Additive Manufacturing of Alumina‐Reinforced Elastomers

Advanced Engineering Materials, EarlyView.
Vat‐photopolymerized elastomers reinforced with platelet‐shaped alumina exhibited preferential orientation, reduced porosity, and significantly enhanced mechanical performance. A 3 wt% platelet loading increased tensile strength from 12.4 to 45.7 MPa, highlighting the critical role of filler morphology in elastomeric VPP composites.
Majid Barzegar Keyvani, Zongwen Fu, Robert Göstl, Hamed Shokri, Carmine Putignano, Gianluca Percoco, Bilal Gökce   +6 more
wiley   +1 more source

The effect of cubic damping on a base excited isolator: an experimental study for harmonic excitation

, 2013
An experimental study has been conducted to validate theoretical solutions for the response of a base excited single degree-of-freedom isolation system possessing pure cubic damping.
Ferguson, N.S., Waters, T.P., Panananda, N.   +2 more
core   +1 more source