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FEM Analysis of Buckled Dielectric Thin-Film Packaging Based on 3D Direct Numerical Simulation

open access: yesMicromachines, 2023
This paper presents a 3D direct numerical simulation of buckled thin-film packaging based on transferred elastic thin-film wrinkling bonded on a compliant polymer ring.
Seonho Seok
doaj   +1 more source

Nonlinear Instability Behavior and Buckling of Shallow Arches Under Gradient Thermo-Mechanical Loads

open access: yesFrontiers in Materials, 2022
This paper investigates the nonlinear behavior and buckling of shallow arches under gradient thermal and mechanical loading. The gradient temperature varies continuously along the thickness of the cross section of the arch but uniformly distributes over ...
Rui Rao   +4 more
doaj   +1 more source

Buckling Behavior of Non-Retrofitted and FRP-Retrofitted Steel CHS T-Joints

open access: yesApplied Sciences, 2021
This paper aims to investigate the buckling behavior of circular hollow section (CHS) T-joints in retrofitted and non-retrofitted states under axial brace compressive loading. For this purpose, two types of analysis are carried out.
Amin Yazdi   +3 more
doaj   +1 more source

Buckling of a Composite Cylindrical Shell with Cantilever-like Boundary Conditions under Hydrostatic Pressure

open access: yesJournal of Marine Science and Engineering, 2022
In this study, an analytical solution for the buckling of a composite cylindrical shell subjected to hydrostatic pressure is proposed. The boundary conditions of the composite cylindrical shell are cantilever-like, with one end fixed and the other end ...
Ke-Chun Shen   +3 more
doaj   +1 more source

Numerical Simulation of Buckling and Post-Buckling Behavior of a Central Notched Thin Aluminum Foil with Nonlinearity in Consideration

open access: yesMetals, 2020
In thin notched sheets under tensile loading, wrinkling appears on the sheet surface, specifically around the cracked area. This is due to local buckling and compression stresses near the crack surfaces.
Mahdieh Shahmardani   +3 more
doaj   +1 more source

Analysis of failure modes and long-term stability of dangerous rock mass on typical karst bank slope in the Three Gorges Reservoir area

open access: yesZhongguo dizhi zaihai yu fangzhi xuebao, 2023
The Three Gorges Reservoir area presents a complex geological environment, where the deterioration of rock masses in the riparian zone of karst bank slopes is expedited by the fluctuating reservoir water levels of the reservoir, thereby hastening the ...
Lei HU, Peng ZHANG, Bolin HUANG
doaj   +1 more source

Buckling Analysis and Structure Improvement for the Afterburner Cylinder of an Aero-Engine

open access: yesAerospace, 2023
The buckling failure of the afterburner cylinder is a serious safety concern for aero-engines. To tackle this issue, the buckling simulation analysis of the afterburner cylinder was carried out by using finite element method (FEM) software to obtain the ...
Xiaoxia Zheng   +5 more
doaj   +1 more source

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   +1 more source

Evaluation of Aging Effects on Skin Wrinkle by Finite Element Method

open access: yesJournal of Biomechanical Science and Engineering, 2008
The reason why the wrinkle suddenly becomes prominent at a middle age is addressed from biomechanical standpoint. The multistage buckling theory we have derived concludes that the sudden enlargement of wrinkle comes from a switch of the specific buckling
Osamu KUWAZURU   +2 more
doaj   +1 more source

Nonlinear Finite Element Analysis and Comparison of In-Plane Strength of Circular and Parabolic Arched I-Section Cellular Steel Beam

open access: yesAdvances in Civil Engineering, 2022
The advancement in steel fabrication technology extends the structural and constructional advantages of cellular steel beams into arched cellular steel structure members.
Besukal Befikadu Zewudie
doaj   +1 more source

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