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Bingbing San, Yunlong Ma, Zhi Xiao, Dongming Feng and Liwei Yin
This work investigates the natural vibration characteristics of free-form shells when considering the influence of uncertainties, including initial geometric imperfection, shell thickness deviation, and elastic modulus deviation. Herein, free-form shell ...
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Dong-Jun Kim and Kyuho Sim
This paper presents a linear dynamic analysis on operable charge pressure and working frequency of free-piston Stirling engines (FPSE) along with experimental verifications. The equations of motion of the FPSE are formulated as a 2-degree-of-freedom (DOF...
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Nasim Fallahi
In the current research, variable angle tow composites are used to improve the buckling and free vibration behavior of a structure. A one-dimensional (1D) Carrera Unified Formulation (CUF) is employed to determine the buckling loads and natural frequenci...
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Duck Young Yoon and Jeong Hee Park
Vibration analysis using the component mode method has been less popular than before, since computers are powerful enough to solve complicated structures by a single large finite model. However, many structural engineers designing local structures on a s...
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Prabhakar Sathujoda, Aneesh Batchu, Bharath Obalareddy, Giacomo Canale, Angelo Maligno and Roberto Citarella
The present work deals with natural and whirl frequency analysis of a porous functionally graded (FG) rotor?bearing system using the finite element method (FEM). Stiffness, mass and gyroscopic matrices are derived for porous and non-porous FG shafts by d...
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Yizhe Huang, Lin Li, Zhichao Xu, Chaopeng Li and Kuanmin Mao
In this paper, a new type of composite gradient sandwich plate structure is proposed, which embeds the pre-strained shape memory alloy (SMA) into the surface layer and the core layer composed of epoxy resin and graphite-reinforced materials. In the core ...
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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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Atteshamuddin Shamshuddin Sayyad,Yuwaraj M. Ghugal
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Atteshamuddin Shamshuddin Sayyad
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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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Faraz Kiarasi, Masoud Babaei, Kamran Asemi, Rossana Dimitri and Francesco Tornabene
The present work aims at investigating the hygrothermal effect on the natural frequencies of functionally graded (FG) annular plates integrated with piezo-magneto-electro-elastic layers resting on a Pasternak elastic foundation. The formulation is based ...
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Péter Böröcz and Bence Molnár
In recent years there has been a very significant increase in parcel delivery shipments all over the world. Moreover, this mode of delivery, in some cases, is facing a very intensive flow of goods, such as in annual festive seasons or, for instance, in s...
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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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Seungkyung Kye and Hyung-Jo Jung
Electromagnetic dampers are emerging as alternatives to conventional dampers applied to stay cables of bridges because they can reduce maintenance costs and allow vibration monitoring owing to their permanent driving characteristics and self-generation f...
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Vu Nam Pham, Dinh Kien Nguyen, Buntara Sthenly Gan
Pág. 152 - 164
Free and forced vibration analysis of two-directional functionally graded sandwich (2D-FGSW) beams using a shear deformable finite element formulation is presented. The beams considered in this paper consists of three layers, a homogeneous ceramic core, ...
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Gokhan Serhat and Katherine J. Kuchenbecker
Computational analysis of free and forced vibration responses provides crucial information on the dynamic characteristics of deformable bodies. Although such numerical techniques are prevalently used in many disciplines, they have been underutilized in t...
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Kun Wang, Qi Zhang and Jiafu Liu
In this work, vibration prediction of space large-scale membranes from the energy point of view is investigated. Based on the Green kernel of vibrating membranes, a new analytical representation of energy response of infinite membranes is derived. Averag...
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Radka Jírová, Lubomír Pe?ík and Robert Grega
On the basis of an analysis of the number of goods that are transported and handled in maritime transport, the ports for cargo ships may be considered as places with concentrated emissions. Reducing the emissions in ports can be achieved by shortening th...
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Pasin Plodpradit, Osoon Kwon, Van Nguyen Dinh, Jimmy Murphy and Ki-Du Kim
This paper presents a procedure for the coupled dynamic analysis of offshore wind turbine?jacket foundation-suction bucket piles and compares the American Petroleum Institute (API) standard method and Jeanjean?s methods used to model the piles. Nonlinear...
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