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CLC number: TU33
On-line Access: 2016-06-03
Received: 2015-03-12
Revision Accepted: 2015-08-28
Crosschecked: 2016-05-09
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Design procedure for thin three-layer plates made of a depleted material
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Gianpaolo Perrella, Giovanni Maria Montuori, Massimiliano Fraldi, Elena Mele. Design procedure for thin three-layer plates made of a depleted material[J]. Journal of Zhejiang University Science A, 2016, 17(6): 427-442.
@article{title="Design procedure for thin three-layer plates made of a depleted material",
author="Gianpaolo Perrella, Giovanni Maria Montuori, Massimiliano Fraldi, Elena Mele",
journal="Journal of Zhejiang University Science A",
volume="17",
number="6",
pages="427-442",
year="2016",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1500051"
}
%0 Journal Article
%T Design procedure for thin three-layer plates made of a depleted material
%A Gianpaolo Perrella
%A Giovanni Maria Montuori
%A Massimiliano Fraldi
%A Elena Mele
%J Journal of Zhejiang University SCIENCE A
%V 17
%N 6
%P 427-442
%@ 1673-565X
%D 2016
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1500051
TY - JOUR
T1 - Design procedure for thin three-layer plates made of a depleted material
A1 - Gianpaolo Perrella
A1 - Giovanni Maria Montuori
A1 - Massimiliano Fraldi
A1 - Elena Mele
J0 - Journal of Zhejiang University Science A
VL - 17
IS - 6
SP - 427
EP - 442
%@ 1673-565X
Y1 - 2016
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1500051
Abstract: The efficiency of a long-span structure relies on how material is locally distributed within a fixed structural shape. In this paper a design procedure for thin plates made of three layers of a depleted material subject to a distributed vertical load is proposed. The investigation is driven by the idea of the optimal material organization and has the objective of maximizing the overall stiffness/weight ratio of the structure. Two microstructural architectures of the media are considered: a porous solid structure and a truss arrangement. For each type of microstructure the flexural stiffness has been correlated to the level of depletion by the use of a power law function by setting very few parameters. Finally, invoking the principles of structural homogenization theory, the global flexural response of the plate has also been calculated. The validity of the method is demonstrated by comparing the analytical results with those obtained by a numerical finite element simulation of the structure based on a detailed model of the media.
The paper presents an investigation on design procedure for thin three layers plates made of a depleted material. The background and application of this structural form is well presented. The proposed design procedure is well described with calculation model and verified with finite element analysis.
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