Shape optimization and buckling analysis of novel two-way aluminum alloy latticed shells

Hao Wang; Pengcheng Li; Jie Wang

doi:10.1016/j.jobe.2020.102100

Shape optimization and buckling analysis of novel two-way aluminum alloy latticed shells

Hao Wang, Pengcheng Li, Jie Wang

Chongqing University

Research output: Contribution to journal › Article › peer-review

23 Citations (SciVal)

138 Downloads (Pure)

Abstract

The circumferential profile of cylinder, as a classic shape, has been widely adopted in single-layer latticed shells. Previous research into these structures primarily concentrated on their buckling behavior. In this work, a novel two-way aluminum alloy cable-stiffened single-layer latticed shell is proposed to explore a shape optimization procedure of such structure. In addition, the buckling behavior of the optimized structures and classic cylindrical latticed shells are examined and compared. The optimization procedure adopts a linear algorithm, in which the structural strain energy is selected to be the optimization objective. Buckling analyses are also performed to compare the buckling behavior of this novel latticed shell with classic cylindrical and optimized shapes. The comparisons show that the load-carrying capacities are clearly enhanced by optimizing the shell shapes. The results presented in this article are anticipated to aid engineers in the design of two-way aluminum alloy latticed shells with an optimal shape.

Original language	English
Article number	102100
Journal	Journal of Building Engineering
Volume	36
Early online date	29 Dec 2020
DOIs	https://doi.org/10.1016/j.jobe.2020.102100
Publication status	Published - 30 Apr 2021

Bibliographical note

Publisher Copyright:
© 2020 Elsevier Ltd

Funding

This research was supported by the National Natural Science Foundation of China (Nos. 51808070 and 51890902 ), the Fundamental and Frontier Research Project of Chongqing (No. Cstc2018jcyjAX0535 ), the Fundamental Research Funds for the Central Universities (No. 2020CDJQY-A064 ), and Doctoral Research Fund of Shandong Jianzhu University (No. X19032Z ). Their financial support is gratefully acknowledged.

Funders	Funder number
Doctoral Research Fund of Shandong Jianzhu University	X19032Z
National Natural Science Foundation of China	51890902, 51808070
Fundamental Research Funds for the Central Universities	2020CDJQY-A064
Fundamental and Frontier Research Project of Chongqing	Cstc2018jcyjAX0535

Keywords

Aluminum alloys
Buckling analysis
Latticed shells
Prestressing
Shape optimization

ASJC Scopus subject areas

Civil and Structural Engineering
Architecture
Building and Construction
Safety, Risk, Reliability and Quality
Mechanics of Materials

Access to Document

10.1016/j.jobe.2020.102100

Accepted Manuscript Wang et al 2021.PDFAccepted author manuscript, 2.38 MBLicence: CC BY-NC-ND

Cite this

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title = "Shape optimization and buckling analysis of novel two-way aluminum alloy latticed shells",

abstract = "The circumferential profile of cylinder, as a classic shape, has been widely adopted in single-layer latticed shells. Previous research into these structures primarily concentrated on their buckling behavior. In this work, a novel two-way aluminum alloy cable-stiffened single-layer latticed shell is proposed to explore a shape optimization procedure of such structure. In addition, the buckling behavior of the optimized structures and classic cylindrical latticed shells are examined and compared. The optimization procedure adopts a linear algorithm, in which the structural strain energy is selected to be the optimization objective. Buckling analyses are also performed to compare the buckling behavior of this novel latticed shell with classic cylindrical and optimized shapes. The comparisons show that the load-carrying capacities are clearly enhanced by optimizing the shell shapes. The results presented in this article are anticipated to aid engineers in the design of two-way aluminum alloy latticed shells with an optimal shape.",

keywords = "Aluminum alloys, Buckling analysis, Latticed shells, Prestressing, Shape optimization",

author = "Hao Wang and Pengcheng Li and Jie Wang",

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language = "English",

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T1 - Shape optimization and buckling analysis of novel two-way aluminum alloy latticed shells

AU - Wang, Hao

AU - Li, Pengcheng

AU - Wang, Jie

PY - 2021/4/30

Y1 - 2021/4/30

N2 - The circumferential profile of cylinder, as a classic shape, has been widely adopted in single-layer latticed shells. Previous research into these structures primarily concentrated on their buckling behavior. In this work, a novel two-way aluminum alloy cable-stiffened single-layer latticed shell is proposed to explore a shape optimization procedure of such structure. In addition, the buckling behavior of the optimized structures and classic cylindrical latticed shells are examined and compared. The optimization procedure adopts a linear algorithm, in which the structural strain energy is selected to be the optimization objective. Buckling analyses are also performed to compare the buckling behavior of this novel latticed shell with classic cylindrical and optimized shapes. The comparisons show that the load-carrying capacities are clearly enhanced by optimizing the shell shapes. The results presented in this article are anticipated to aid engineers in the design of two-way aluminum alloy latticed shells with an optimal shape.

AB - The circumferential profile of cylinder, as a classic shape, has been widely adopted in single-layer latticed shells. Previous research into these structures primarily concentrated on their buckling behavior. In this work, a novel two-way aluminum alloy cable-stiffened single-layer latticed shell is proposed to explore a shape optimization procedure of such structure. In addition, the buckling behavior of the optimized structures and classic cylindrical latticed shells are examined and compared. The optimization procedure adopts a linear algorithm, in which the structural strain energy is selected to be the optimization objective. Buckling analyses are also performed to compare the buckling behavior of this novel latticed shell with classic cylindrical and optimized shapes. The comparisons show that the load-carrying capacities are clearly enhanced by optimizing the shell shapes. The results presented in this article are anticipated to aid engineers in the design of two-way aluminum alloy latticed shells with an optimal shape.

KW - Aluminum alloys

KW - Buckling analysis

KW - Latticed shells

KW - Prestressing

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DO - 10.1016/j.jobe.2020.102100

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Shape optimization and buckling analysis of novel two-way aluminum alloy latticed shells

Abstract

Bibliographical note

Funding

Keywords

ASJC Scopus subject areas

Access to Document

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