Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Maria Anna De Rosa"'
Publikováno v:
Vibration, Vol 7, Iss 1, Pp 264-280 (2024)
Plates are flat structural elements whose thickness is small in relation to the size of the surface. Their use may include engine foundations, reinforced concrete bridge elements or parts of various floating structures. Consequently, knowledge of the
Externí odkaz:
https://doaj.org/article/3ca54bd011c84f2986333a92179a3061
Publikováno v:
Applied Mechanics, Vol 4, Iss 4, Pp 1100-1113 (2023)
The main objective of this paper is to study the free vibration of a Timoshenko–Ehrenfest single-walled carbon nanotube based on the nonlocal theory and taking surface effects into account. To model these effects on frequency response of nanotubes,
Externí odkaz:
https://doaj.org/article/5fe7cf955af64a74a3fcdde7b823ccfc
Autor:
Maria Anna De Rosa, Maria Lippiello
Publikováno v:
Applied Mechanics, Vol 4, Iss 4, Pp 1015-1037 (2023)
Based on elasticity theory, this paper discusses the static analysis of a cracked double-beam system in the presence of a Winkler-type medium. It is further assumed that the double-beam system is constrained at both ends by elastically flexible sprin
Externí odkaz:
https://doaj.org/article/2fadfed4db784a8f96c511f50eb9d97d
Publikováno v:
Applied Mechanics, Vol 4, Iss 2, Pp 699-714 (2023)
Carbon nanotubes with their outstanding mechanical, physical and electrical properties have stimulated a significant amount of scientific and technological research due to their uniqueness compared to conventional materials. As a result, an extensive
Externí odkaz:
https://doaj.org/article/29b320bffa1b4194939959934e93687a
Publikováno v:
Materials, Vol 14, Iss 13, p 3445 (2021)
Here, we consider the free vibration of a tapered beam modeling nonuniform single-walled carbon nanotubes, i.e., nanocones. The beam is clamped at one end and elastically restrained at the other, where a concentrated mass is also located. The equatio
Externí odkaz:
https://doaj.org/article/399e8e9ae2e0459da0a6b52efacbf060
Autor:
Maria Anna De Rosa, Maria Lippiello
Publikováno v:
The Scientific World Journal, Vol 2014 (2014)
The free vibration response of double-walled carbon nanotubes (DWCNTs) is investigated. The DWCNTs are modelled as two beams, interacting between them through the van der Waals forces, and the nonlocal Euler-Bernoulli beam theory is used. The governi
Externí odkaz:
https://doaj.org/article/87ce7dda5b1e4289957bd81eb6d88132
Publikováno v:
Volume 5: Dynamics, Vibration, and Control.
The present paper is part of a previous research, started in [1] with the proposal to neglect an energetic term in the dynamic analysis of Timoshenko-Ehrenfest beams. The resulting reduced theory turned out to be both simpler and more reliable than t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c0f61d9b802f28ccfbc2b9d75764c441
https://doi.org/10.1115/imece2022-96660
https://doi.org/10.1115/imece2022-96660
Publikováno v:
Engineering Computations. 35:251-267
Purpose The purpose of the present paper is to investigate the nonconservative instability of a single-walled carbon nanotube (SWCNT) with an added mass through nonlocal theories. The governing equations are discretized by means of the differential q
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce74620680e7c8491d6b735614383eb7
https://doi.org/10.1108/ec-12-2016-0427
https://doi.org/10.1108/ec-12-2016-0427
Publikováno v:
Applied Mathematics and Computation. 290:460-466
In this paper, a numerical scheme for a parameter identification problem is presented. The problem here considered is the identification of the stiffness of structural elements and a new procedure to solve it is proposed. This procedure involves not
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e890c9cf2e107916ddc665aec59799fc
https://doi.org/10.1016/j.amc.2016.06.019
https://doi.org/10.1016/j.amc.2016.06.019
Autor:
Maria Anna De Rosa, Maria Lippiello
Publikováno v:
Composites Part B: Engineering. 84:41-51
In the present paper free vibrations of embedded single-walled carbon nanotubes based on local Euler–Bernoulli beam theory are investigated. The surrounding elastic medium is described as the Winkler and Pasternak models, defined by the k w and k p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a9e1c8494a61f0ec9e2a1a3caf510f3
https://doi.org/10.1016/j.compositesb.2015.08.065
https://doi.org/10.1016/j.compositesb.2015.08.065