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Shan Zeng, Sigui Luo, Fei Wang, Xifan Lan, Xinrui Ma and Yuxin Lu
Squeeze film dampers are often used to suppress vibration in turbine engines and play an important role in rotor systems. In this paper, the nonlinear dynamic characteristics of an industrial turbine engine fitted with squeeze film dampers are investigat...
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Urszula Radon, Pawel Zabojszcza and Milan Sokol
The main purpose of this paper is to compare the results of modal analysis for two types of domes. The first one is a low-rise Schwedler dome. The second one is a high-rise geodesic dome. The low-rise Schwedler dome is subjected to large displacement gra...
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Weiliang Zhu, Yaojun Ge, Genshen Fang and Jinxin Cao
This study proposed a novel shape finding technique for both the 2D parallel and 3D spatial main cables of suspension bridge with sufficient accuracy and high efficiency.
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Zhanyang Chen, Hongbin Gui, Xiyu Liao and Mengchao Du
With increasing demands for huge ship dimensions and the wide use of high-strength steel, the influence of slamming and elastic structure on structural strength cannot be ignored. Therefore, in this paper, a three-dimensional (3D) nonlinear hydroelastic ...
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Ivan Catipovic, Neven Alujevic, Smiljko Rudan and Vedran Slapnicar
Synthetic fibre mooring lines are used as an alternative to traditional steel wire ropes due to their higher strength to weight ratio. Benefits are also found in relative ease of handling, and therefore the marine industry has largely accepted this type ...
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Shaohua Hu, Xinlong Zhou, Yi Luo and Guang Zhang
Due to high water pressure in the concrete reinforced hydraulic tunnels, surrounding rocks are confronted with nonlinear seepage problem in the pumped storage power station. In this study, to conduct nonlinear seepage numerical simulation, a nonlinear se...
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Zhuopu Wang, Kairui Yu and Yuanzhe Liu
The unsteady combustion of solid propellants under oscillating environments is the key to understanding the combustion instability inside solid rocket motors. The discontinuous Galerkin?finite element method (DG-FEM) is introduced to provide an efficient...
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Ailin Zhang, Zhiqiang Xie, Leilei Shi, Yanxia Zhang, Daxing Zhou and Xiangdong Zhang
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Dengfeng Wang, Minglei Yang, Biying Song and Dapeng Guo
To explore the application feasibility of high-strength steel in skeleton columns of precipitator casing structures, the bearing behavior of axially compressed H-section high-strength steel columns was investigated by the nonlinear finite element method ...
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Arash Karimi Pour and Ehsan Noroozinejad Farsangi
The elevated reinforced concrete tanks assessed in the current work were the subject of a nonlinear sloshing analysis resulting from fluid?container interactions. The primary response quantity of interest was the height of free surface sloshing. To achie...
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Ping Lou, Te Li, Xinde Huang, Ganggui Huang and Bin Yan
Due to the temperature change of bridges, there is a great additional force in continuously welded rails on continuous bridges. Laying rail expansion regulators is an effective measure to reduce the additional force. The nonlinear finite element model is...
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Jeong-Seok Kim, Bo Woo Nam, Kyong-Hwan Kim, Sewan Park, Seung Ho Shin and Keyyong Hong
In this study, a time-domain numerical method based on three-dimensional potential flow was developed to analyze the hydrodynamic characteristics of an inclined oscillating-water-column (OWC) wave energy converter (WEC). A finite element method was appli...
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Yue Zhang, Wei Sun and Jian Yang
In this paper, a four-node composite cylindrical shell finite element model based on Love?s first approximation theory is proposed to solve the nonlinear vibration of the hard-coating cylindrical shell efficiently. The developed model may have great sign...
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Zhu Zhang, Tongchun Li, Lanhao Zhao and Huijun Qi
The precise analysis of the overall mechanical performance of prestressed concrete cylinder pipes (PCCPs) with broken wires is a complicated problem. In this article, powerful finite element numerical means are applied to solve this problem. Firstly, the...
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Ana Tomé, Isaías Vizotto, Jónatas Valença and Eduardo Júlio
A research and development project has been conducted aiming to design and produce ultra-thin concrete shells. In this paper, the first part of the project is described, consisting of an innovative method for shape generation and the consequent productio...
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Ana Tomé, Isaías Vizotto, Jónatas Valença and Eduardo Júlio
A research and development project has been conducted aiming to design and produce ultra-thin concrete shells. In this paper, the first part of the project is described, consisting of an innovative method for shape generation and the consequent productio...
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Atsushi Kondo, Toshiyuki Kasahara and Atsushi Kanda
A simplified finite element model of riveted joints for structural analyses which effectively incorporates nonlinear response of riveted joints is proposed. Load-transfer characteristics of riveted joints were experimentally and numerically studied. Firs...
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Jun-Hyung Kim, Yuan-Wu Jiang and Sang-Moon Hwang
A vibrating motor is a multi-physics product in which there is coupling between electrical, magnetic, and mechanical domains. To obtain a more accurate analysis, nonlinear parameters, such as inductance, speedance, and force factor, are considered as fun...
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Messaoud Baali, Mohamed Nadir Amrane
Pág. 1 - 9
In this work, we study the effect of the thickness variation of viscoelastic layer inserted in a laminated multi-layer beam in forced vibration on the vertical displacements and on the natural frequencies. The new structure is a sandwich structure compos...
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Chen Chen, Hong Zhou, Zhengda Lv and Ziqiu Li
Plated grillage with combined openings was susceptible to complex failure behaviors as the main load-bearing structure of the superstructure on passenger ships subjected to deck loads. Additionally, the deformation and stresses generated during the weldi...
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