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Hybrid finite element formulation for geometrically nonlinear buckling analysis of truss with initial length imperfection [PDF]

open access: yesE3S Web of Conferences, 2021
This paper presents a novel hybrid FEM-based approach for nonlinear buckling analysis of truss with initial length imperfection. The contribution deals with establishing two types of truss finite element (perfection and imperfection element) considering ...
Quyen Vu Thi Bich, Tien Dao Ngoc
doaj   +1 more source

Vibration Analysis of an Imperfect Single-Layer Graphene Sheet using Quasi-3d Theory and Isogeometric Approach [PDF]

open access: yesInternational Journal of Advanced Design and Manufacturing Technology, 2023
In this study, the size-dependent free vibration analysis of a geometrically imperfect single-layer graphene sheet (SLGS) is studied by an isogeometric approach along with the quasi-3D shear and normal deformation theory.
Heidar Fazeli   +2 more
doaj   +1 more source

Static Strength and Buckling Analysis of an Aircraft Support

open access: yesApplied Sciences, 2023
At the initial stage of design, the structural strength and stability of the load-bearing structural members of the aircraft are mainly considered. In this paper, the structural strength and stability of a support of aircraft assembly are analyzed. First,
Daqian Zhang   +2 more
doaj   +1 more source

Penalty function method for geometrically nonlinear buckling analysis of imperfect truss with multi-freedom constraints based on mixed FEM [PDF]

open access: yesE3S Web of Conferences, 2023
This paper is concerned with the approach to implementing the Penalty function method for imposing multi-freedom constraints in geometrically nonlinear analysis of imperfect trusses based on mixed finite element formulation.
Bich Quyen Vu Thi   +2 more
doaj   +1 more source

Note on extension of the Young’s formula to inhomogeneous columns

open access: yesVietnam Journal of Mechanics, 2020
In this Note the generalization of the celebrated formula by Young, applicable to homogeneous columns, is provided for inhomogeneous columns.
Isaac Elishakoff
doaj   +1 more source

Bearing Behavior of Axially Compressed High-Strength Steel Columns in Precipitator Casing Considering the Stressed-Skin Effect of Wallboard

open access: yesBuildings, 2022
To explore the application feasibility of high-strength steel in skeleton columns of precipitator casing structures, the bearing behavior of axially compressed H-section high-strength steel columns was investigated by the nonlinear finite element method ...
Dengfeng Wang   +3 more
doaj   +1 more source

Effects of initial imperfection and mesh resolution on wrinkle and crease analyses

open access: yesNihon Kikai Gakkai ronbunshu, 2021
This study investigates the effects of initial imperfection and mesh resolution on the wrinkling and creasing. Finite element analyses are conducted to simulate compression behaviors of an incompressible Neo-Hookean elastic plane with a V-shaped notch as
Ryogo HOSHI   +3 more
doaj   +1 more source

Consistency of Imperfections in Steel Eurocodes

open access: yesApplied Sciences, 2022
The second-order theory was used to analyze the flexural buckling of an individual member simply supported on both member ends, with a uniform double symmetric cross-section under a uniform axial force in an elastic state.
Ivan Baláž   +3 more
doaj   +1 more source

Analytical Study of Lateral Buckling of Pipelines with Initial Imperfection Based on Fixed-Fixed Beam Model

open access: yesApplied Sciences, 2023
The beam analysis model and the initial imperfection are predominant factors in analyzing the lateral buckling behavior of submarine pipelines under high temperature.
Songxian Wang   +4 more
doaj   +1 more source

Post-Buckling Behaviour of Steel Structures with Different Types of Imperfections

open access: yesApplied Sciences, 2022
In this paper, the stability of steel members with a complex initial geometrical imperfection pattern are analysed. This issue is extremely important in the case of slender structures, characterised by multiple close critical loads and modal interactions,
Katarzyna Rzeszut
doaj   +1 more source

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