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Do-Young Kim, Chang-Hoon Sim, Jae-Sang Park, Joon-Tae Yoo, Young-Ha Yoon and Keejoo Lee
The internal pressure of a thin-walled cylindrical structure under axial compression may improve the buckling stability by relieving loads and reducing initial imperfections. In this study, the effect of internal pressure on the buckling knockdown factor...
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Atsushi Takano
Pág. 25 - 27
A buckling experiment was performed on anisotropic, long and short cylinders with various radius-to-thickness ratios. The 13 cylinders had symmetric and anti-symmetric layups, were between 2 and 6 in terms of the length-to-radius ratio, between 154 and 6...
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Oleksandr Grigorenko,Oleksandr Parkhomenko,Valentyna Darmosiuk,Larisa Vasil?eva
Pág. 19 - 25
The paper reports an effective numerical procedure to solve problems on the free oscillations of isotropic gently sloping shells using a spline-approximation method of unknown functions along one of the coordinate directions. By applying the proposed pro...
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Carlos Enrique Valencia Murillo, Miguel Ernesto Gutierrez Rivera, Nicolas Flores Samano and Luis David Celaya Garcia
This contribution presents a finite element shell model capable of performing linear vibration analyses of shell-type structures made of functionally graded material (FGM). The model is based on the seven-parameter spectral/hp finite element formulation,...
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Yongmei Zhu, Rujun Li and Jiahao Yang
This study focused on the three-dimensional surface crack growth of a spherical pressure shell. Eight maraging steel 18Ni (250) samples were fabricated and tested, and the fatigue crack growth rate curves were obtained. Considering the influence of plast...
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Youssef A. Attia, Mohammed A. Al-Harthi, Ahmed A. Al Sagan, Nisreen M. Abdulsalam, Elsayed O. S. Hussein and Marai J. Olal
Flax seed meal is a valuable source of fatty acids, particularly omega-3 such as alpha-linolenic acid (ALA), but its mucilage contents limit its use. This study assessed the effect of different levels of soaked flax seed meal (SFSM) on the production and...
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Tao He, Weiheng Xiang, Jian Zhang, Cheng Hu, Gaozhan Zhang and Bin Kou
To prepare lightweight ultra high performance concretes used in the large-span and super-tall structure engineering fields, the effects of water-binder ratio on the mechanical performances, hydration products, and microstructure of the arched shell inter...
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Panneerselvam Balaraman, Vijayaraj Stephen Joseph Raj and Veloorillom Madhavan Sreehari
High-speed aerospace applications, such as re-entry vehicles, mostly involve thin-walled structural components with a high strength-to-weight ratio and high-temperature resistant. The present novel work comprises the structural and thermal analysis of re...
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Ming Chen, Xinhu Zhang, Kechun Shen and Guang Pan
The geometrical dimensions and mechanical properties of composite materials exhibit inherent variation and uncertainty in practical engineering. Uncertainties in geometrical dimensions and mechanical properties propagate to the structural performance of ...
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De-Cheng Feng, Cheng-Zhuo Xiong, Emanuele Brunesi, Fulvio Parisi and Gang Wu
Precast concrete (PC) plays an important role in the industrialization processes of buildings, so it is critical to study the seismic performance of such structures. Several experimental and numerical studies have been conducted to investigate the behavi...
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This study presents a new analytical model on the dissipation process of the initial total energy of the hemi-cylindrical shell subjected to the explosive blast load. The analytical formulation has been established using the energy method. The analytical...
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Jen Yang Yap
Pág. 36
Protective coating layer applied to materials surfaces to prevent corrosion is susceptible to mechanical damages and other degradation processes. Self-healing coating from double-walled microcapsules could prolong the service life of the coating, allowin...
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