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Open access Aug 2026

Theoretical and Numerical Study on Buckling Analysis of Cylindrical Shell Structures by Galerkin and Finite Element Methods

The structural instability of cylindrical shells has long attracted scholarly attention due to its inherently nonlinear response and extensive engineering relevance. Although numerous investigations have examined buckling phenomena arising from individual loading modes such as axial compression or pure torsion, the com...

Nasser Firouzi, N. Madkhali · 0 citations
Open access Aug 2026

Influence of lattice-core geometry on the mechanical performance of FDM-printed PETG sandwich panels: an experimental, computational, and statistical investigation

This study aims to find the impact of lattice-core geometry on the tensile and flexural properties of FDM-printed PETG-sandwich panels. Six core profiles (namely square, circular, elliptical, octagonal, pentagonal and hexagonal) were fabricated under controlled parameters of the FDM and tested based on ASTM D638 and D7...

A. Ogaili, Abdul-Rasool Kareem Jweri, S. Amin et al. · 0 citations
Preprint Jul 2026

Numerical and experimental framework for bending elasticity of highly flexible slender structures

Slender structures are highly flexible, spanning several orders of magnitude in length scale. Their deformation depends on the slenderness of their cross sections, highlighting that the elasticity and geometry of structures are intrinsically coupled. The deformation of the cross-section becomes significant, particularl...

Shunsuke Nomura, Satsuki Shibuya, Isamu Hashiguchi et al. · 0 citations
Aug 2026

Plastic behavior of foam-filled hexagonal core sandwich beams

Analytical modeling and numerical simulations are employed in this study to examine the plastic behavior of fully clamped foam-filled hexagonal core sandwich beams (FHCSBs) under transverse loading. A yield criterion is developed for the FHCSB cross-section by considering the combined strength contributions of the fold...

Yiming Cao, Xilin Luo, Yao Wang et al. · 0 citations
Open access Aug 2026

Finite Element Analysis of the Stiffness of a Plug-in Device Connection with a Modified Stiffener

Modular steel construction offers significant advantages in fabrication efficiency, installation speed, and structural adaptability; however, the performance of inter-module connections remains a critical concern, particularly under lateral loading conditions. This study aimed to evaluate the mechanical behavior and st...

Restu Muhammad Farhan, Ahmad Nur Husin, Muhammad Sigit Darmawan · 0 citations
Jul 2026

Global flange buckling strength prediction of I-stiffened laminated composite FRP box-beams using ANN

The utilisation of stiffened fibre-reinforced polymer (FRP) box-beams is highly advantageous for lightweight bridge structures; however, their design is computationally intensive due to anisotropy and buckling sensitivity. This study presents a computationally efficient artificial neural network (ANN) model for predict...

D. S, Kanimozhi Suguna S, Anbarasu M et al. · 0 citations

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