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Numerical study on impact resistance of novel multilevel bionic thin-walled structures

open access: yesJournal of Materials Research and Technology, 2022
Inspired by impact-resistant hedgehog spine and beetle's forewing, the thin-walled structures of simple hedgehog spine and multilevel hedgehog spine were designed.
Zhiquan Wei, Xianghong Xu
doaj   +3 more sources

Design and Optimization of Thin-Walled Main Support Structure for Space Camera Based on Additive Manufacturing

open access: yesMicromachines
In order to solve the design requirements of high stiffness and lightweight for the primary support structure of a wide-field auroral imager, we propose a solution for designing and optimizing a large-scale complex thin-walled structure using additive ...
Jiahao Peng   +7 more
doaj   +3 more sources

Simulation Study of Aluminum Alloy Ribbed Member Spinning with Ultrasonic Vibration

open access: yesShanghai Jiaotong Daxue xuebao, 2021
Flow spinning process is beneficial to realizing the integral forming of the ribbed members, but the height of the inner rib that can be formed is limited. Therefore, an ultrasonic assisted method was introduced into the flow spinning process to increase
LI Xiaokai, ZHAO Yixi, YU Zhongqi, ZHU Baohang, CUI Junhui
doaj   +1 more source

Formation Law of Surface Defects in Stretch-Bending Formamtion of Aluminum Trim Strip for Automobile Body

open access: yesShanghai Jiaotong Daxue xuebao, 2022
Surface defects refer to the local undulation of the parts in the forming process. The variable cross-section and variable-curvature aluminum trim parts are prone to local surface defects during the stretch-bending process, which has a great impact on ...
ZHENG Gaoyuan, ZHAO Yixi, CUI Junhui
doaj   +1 more source

Design and bearing capacity analysis of cold-formed thin-walled steel-timber composite members [PDF]

open access: yesE3S Web of Conferences, 2021
Cold-formed thin-walled steel has light weight, large width thickness ratio, good economy and seismic performance. It is easy to realize standardization of design, and is very suitable for the development of prefabricated buildings.
Pan Futing, Wang Ying, Huang Chunxiao
doaj   +1 more source

Cold-Formed Thin-Walled Steel in Rural Buildings in China [PDF]

open access: yesE3S Web of Conferences, 2023
In 2017, with the proposal of the rural revitalization strategy, the vast rural areas in China ushered in great development. A large number of rural construction projects began to be launched.
Zhou Junliua, Ye Yingjuan
doaj   +1 more source

On the theory and practice of thin-walled structures [PDF]

open access: yesGeorgian Mathematical Journal, 2021
Abstract The basic problem of satisfaction of boundary conditions is considered when the generalized stress vector is given on the surfaces of elastic plates and shells. This problem has so far remained open for both refined theories in a wide sense and hierarchic type models. In the linear case, it was formulated by I. N.
openaire   +3 more sources

Diagnostics of thin-walled structures of complex geometry and structure

open access: yesStructural Mechanics of Engineering Constructions and Buildings, 2021
The main stages of the birth of thin-walled structures, changes in their relative thickness and mass of a unit area are given; ways of creating perfect thin-walled structures are indicated.
Nukh M. Yakupov, Samat N. Yakupov
doaj   +1 more source

Physical Tests of Alternative Connections of Different High Roof Purlins Regarding Upward Loading

open access: yesBuildings, 2021
Thin-walled cold-rolled sections are used in the construction industry, especially in the roofing of large-span halls. The load-bearing capacity of a thin-walled structure depends to a large extent on the load-bearing capacity of the details at the point
Miroslav Rosmanit   +3 more
doaj   +1 more source

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