Lightweight Design of Arc Rib Stiffened Plates Based on the Smeared Stiffener Method

LIU Chenyu; LUO Xuanhe; LIU Kangxiang; MENG Zeng; XIAO Shan

doi:10.21656/1000-0887.430342

Volume 44 Issue 8

Aug. 2023

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Article Navigation > Applied Mathematics and Mechanics > 2023 > 44(8): 953-964

LIU Chenyu, LUO Xuanhe, LIU Kangxiang, MENG Zeng, XIAO Shan. Lightweight Design of Arc Rib Stiffened Plates Based on the Smeared Stiffener Method[J]. Applied Mathematics and Mechanics, 2023, 44(8): 953-964. doi: 10.21656/1000-0887.430342

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Lightweight Design of Arc Rib Stiffened Plates Based on the Smeared Stiffener Method

doi: 10.21656/1000-0887.430342

1.
College of Civil Engineering, Hefei University of Technology, Hefei 230009, P.R.China
2.
Shenyang Aircraft Design and Research Institute, Aviation Industry Corporation of China, Ltd., Shenyang 110034, P.R.China

Received Date: 2022-10-28
Rev Recd Date: 2022-12-08
Publish Date: 2023-08-01

Abstract

Abstract

Stiffened plates are common bearing components in aerospace structure design, which can bring great economic benefits and reduce the structure weight based on the insurance of the plate performance. Therefore, the lightweight design of stiffened plate structures is a research focus in the aerospace field. Based on the concept of synchronous failure, a new type of arc rib stiffened plate was proposed to sufficiently make use of the axial bearing capacity of ribs. Then, the critical buckling load of the arc rib stiffened plate was accurately predicted based on the smeared stiffener method. The lightweight design of arc rib stiffened plates was carried out by means of the particle swarm optimization algorithm. The results show that, the arc rib stiffened plate has excellent bearing capacity, significant lightweight design effects, and promising optimization results.
- arc rib stiffened plate,
- smeared stiffener method,
- critical buckling load,
- lightweight

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References(30)

References

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