Results 1 to 10 of about 4,593 (200)

Hybrid Artificial Intelligence Approaches for Predicting Critical Buckling Load of Structural Members under Compression Considering the Influence of Initial Geometric Imperfections

open access: yesApplied Sciences, 2019
The main aim of this study is to develop different hybrid artificial intelligence (AI) approaches, such as an adaptive neuro-fuzzy inference system (ANFIS) and two ANFISs optimized by metaheuristic techniques, namely simulated annealing (SA) and ...
Hai-Bang Ly   +8 more
doaj   +4 more sources

Initial Geometric Imperfections: A Robust, Closed-Section Cold-Formed Box Profile Application Subject to Local Buckling

open access: yesInternational Journal of Applied Mechanics and Engineering, 2021
Initial geometric imperfections are important for simulating local buckling in numerical models. References are found in the technical literature regarding open-section cold formed profiles.
N. Brambatti Junior   +2 more
doaj   +3 more sources

Reducing sensitivity to initial imperfections by changing bifurcation diagrams

open access: yesStructural Mechanics of Engineering Constructions and Buildings, 2023
An approach to the construction of equilibrium state diagrams is presented in order to reduce the sensitivity to initial imperfections for the problem of stability for reinforced plates (transfer of the bifurcation point corresponding to the wave ...
Gaik A. Manuylov   +2 more
doaj   +2 more sources

Imperfections In Calculations Of Guyed Lattice Masts

open access: yesArchives of Civil Engineering, 2014
Influence of geometric imperfections of mast shaft in form of initial mast span curvatures both on internal forces status in the structure elements as well as on those elements effort, which is particularly important at the design stage, was analysed ...
Matuszkiewicz M.
doaj   +2 more sources

Buckling of composite cylindrical shells with ovality and thickness variation subjected to hydrostatic pressure

open access: yesDefence Technology, 2022
The initial geometric imperfection is one of the primary factors affecting the buckling behaviors of composite cylindrical shells under hydrostatic pressure.
Zhun Li   +3 more
doaj   +1 more source

Study of The effect of thickness and initial geometric imperfection of cylindrical composite shell on the buckling behavior in axial pressure [PDF]

open access: yesمجله مدل سازی در مهندسی, 2018
Today, composite cylindrical shells extensively, have been used in aerospace to increase the performance of the structures. Experience has shown that, when the shells are under compressive loading, Buckling phenomenon will be the most important factor in
ebrahim alizadeh   +4 more
doaj   +1 more source

Applicability of thin-walled structures for energy-savings in steel construction [PDF]

open access: yesE3S Web of Conferences, 2019
The paper discusses the use of lightweight thin-walled structures which make it possible to save resources in steel construction. The highlighted challenges that this industry face in the Russian Federation involve insufficient development of the ...
Korsun Natalia D.   +1 more
doaj   +1 more source

Effects of toroidal transition on ultimate bearing capacity of submarine cone-cone connection structures

open access: yesZhongguo Jianchuan Yanjiu, 2020
[Objectives] The influence of the toroidal transition on the ultimate load-carrying capacity of ribbed cone-cone connections is studied by finite element methed.[Methods] The arc length method is used to calculate the ultimate load-carrying capacity of ...
JING Teng   +3 more
doaj   +1 more source

INFLUENCE OF BUCKLING FORMS INTERACTION ON STIFFENED PLATE BEARING CAPACITY

open access: yesInternational Journal for Computational Civil and Structural Engineering, 2020
The work is devoted to studying the influence of initial geometric imperfections on a value of the peak load for the compressed stiffened plate with the two-fold buckling load.
Gaik Manuylov   +2 more
doaj   +1 more source

Bearing capacity of steel thin-walled profiles in reliability assessment [PDF]

open access: yesE3S Web of Conferences, 2019
The increasing use of light steel thin-walled structures is determined by the efficiency of the production of cold-formed profiles. However, there are problems of calculating the reliability of thin-walled structures.
Korsun Natalia, Prostakishina Daria
doaj   +1 more source

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