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Xiaoshuang Han, Weiliang Qiao and Bo Zhou
This article presents a procedure that simplifies an offshore jacket platform as a non-uniform cantilever beam subjected to an axial force. A Ritz method combined with a pseudo-excitation method is then used to analyze the responses of the jacket platfor...
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Feng Gao and Wei Sun
For the purpose of improving the working reliability of the blisk (integrally-bladed disk) under severe environment, a passive vibration reduction method by depositing a hard coating on both sides of blades is developed and then investigated systematical...
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Abbes Elmeiche, Abdelkader Megueni, Abdelkader Lousdad
Pág. 209 - 219
This paper presents the fundamental frequency analysis of functionally graded (FG) nanobeams using Ritz method subjected to different sets of boundary conditions. The vibration analysis is based on the classical, the first-order and different higher-orde...
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Afshan Kanwal, Chang Phang and Umer Iqbal
In this paper, two-dimensional Genocchi polynomials and the Ritz?Galerkin method were developed to investigate the Fractional Diffusion Wave Equation (FDWE) and the Fractional Klein?Gordon Equation (FKGE). A satisfier function that satisfies all the init...
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Hui Li, Zhengxue Zhou, Hai Sun, Wei Sun and Bangchun Wen
The influence of hard coating on vibration characteristics of fiber-reinforced composite thin shell (FCTS) is investigated theoretically. The theoretical model of the hard coating FCTS is firstly established by using the classical laminated shell theory,...
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Andrzej Majka
Unmanned aircraft must be characterized by a level of safety, similar to that of manned aircraft, when performing flights over densely populated areas. Dangerous situations or emergencies are frequently connected with the necessity to change the profiles...
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Afshan Kanwal, Chang Phang and Umer Iqbal
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Ahmad Nayan and Tai Yan Kam
A new vibro-acoustic method is presented to analyze the sound radiation behavior of orthotropic panel-form sound radiators using strip-type exciters to exert line loads to the panels for sound radiation. The simple first-order shear deformation theory to...
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Yun Qin, Qinghua Song, Zhanqiang Liu and Jiahao Shi
In this paper, the vibration analysis of a partially constrained layer damping plate subjected to moving loads is investigated. In addition, the first four order damping loss factor of the system is optimized with the location of partially constrained la...
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Minghui Yi, Fei Liu, Wuxiang Zhang and Xilun Ding
Variable angle tow steering technology is capable of manufacturing complex aviation parts with a trajectory of intricate curvature planned based on stress or profile characteristics, which greatly improves the forming efficiency, design flexibility and m...
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Malgorzata Chwal and Aleksander Muc
The buckling and free vibrations of rectangular nanoplates are considered in the present paper. The refined continuum transverse shear deformation theory (third and first order) is introduced to formulate the fundamental equations of the nanoplate. Besid...
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Aleksander Muc
Free vibration (or eigenvalue analysis) is a prerequisite for aeroelastic analysis. For divergence analysis, slope influence coefficients (rotation at point i due to unit load at point j) are calculated using free vibration mode shapes and corresponding ...
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Aleksander Muc
Free vibration (or eigenvalue analysis) is a prerequisite for aeroelastic analysis. For divergence analysis, slope influence coefficients (rotation at point i due to unit load at point j) are calculated using free vibration mode shapes and corresponding ...
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Vladimir Karpov, Aleksandr Panin, Alexey Semenov
Pág. 261 - 266
Thin shells are often used for roofing of large-span constructions including hangars for vehicles. This paper considers the approach to study of strength and stability of such structures. A geometrically nonlinear mathematical model of deformation of dou...
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ALI MUHAMMAD
Terrorism emerged as serious security problem inIndonesia since a network of terrorist group rockedthis country, started from the Bali bombing (2002)followed by other consecutive bombings, such as, J.W. Marriott Hotel bombing (2003), the AustralianEmbass...
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Xiaochun Zhang, Jianhan Hu and Shuyang Chen
In the southeastern coastal regions of China, thick layers of marine soft soil are widely distributed, exhibiting characteristics such as high compressibility, high porosity, low strength, high sensitivity, and easy thixotropy, and these viscoelastic beh...
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Jafar S. Pilakkadan, Rafic M. Ajaj, Zawar Haider and Mohammadreza Amoozgar
This paper studies the aeroelastic behavior of a rectangular, cantilever wing equipped with the spanwise morphing trailing edge (SMTE) concept. The SMTE consists of multiple trailing edge flaps that allow controlling the spanwise camber distribution of a...
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