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Vibration analysis of a simply supported beam under moving mass based on moving finite element method

Zhuchao YE, Huaihai CHEN,

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 4,   Pages 397-400 doi: 10.1007/s11465-009-0044-7

Abstract: In this paper, a moving finite element (MFE) method is proposed to perform the dynamic analysis of a simplysupported beam for a moving mass (MM).The solution to the beam’s dynamic behaviors including its displacement is obtained via a Newmarkexamples show that the inertial effects of the MM significantly affect the transverse responses of the simplysupported beam.

Keywords： simply supported beam     moving mass (MM)     transverse vibration     moving finite element (MFE)    

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Ambient vibration testing and updating of the finite element model of a simply supported beam bridge

Ivan Gomez ARAUJO, Esperanza MALDONADO, Gustavo Chio CHO

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 344-354 doi: 10.1007/s11709-011-0124-8

Abstract: The bridge is characterized by a system of post-tensioned and simply supported beams.

Keywords： modal analysis     parameter identification     ambient vibration test     Eigensystem Realization Algorithm (ERA) method     finite element method    

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Complete set technologies and equipment for 900 t simple-supported box beam construction in high-speed

Wang Qingming,Liu Linsheng

Strategic Study of CAE 2011, Volume 13, Issue 4,   Pages 75-80

Abstract:

Complete set technologies and equipment for 900 t simple supported boxbeam construction in high speed railways are introduced in this paper, including the pre fabricationtechnologies and equipment of the 900 t simple supported box beams, transport technologies and equipmentand erection technologies and equipment, construction technologies and equipment of the 900 t simple supported

Keywords： high speed railway     simple supported box beam     construction technology    

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Fine-grained P2P traffic classification by simply counting flows

Jie HE,Yue-xiang YANG,Yong QIAO,Wen-ping DENG

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 5,   Pages 391-403 doi: 10.1631/FITEE.1400267

Abstract: The continuous emerging of peer-to-peer (P2P) applications enriches resource sharing by networks, but it also brings about many challenges to network management. Therefore, P2P applications monitoring, in particular, P2P traffic classification, is becoming increasingly important. In this paper, we propose a novel approach for accurate P2P traffic classification at a fine-grained level. Our approach relies only on counting some special flows that are appearing frequently and steadily in the traffic generated by specific P2P applications. In contrast to existing methods, the main contribution of our approach can be summarized as the following two aspects. Firstly, it can achieve a high classification accuracy by exploiting only several generic properties of flows rather than complicated features and sophisticated techniques. Secondly, it can work well even if the classification target is running with other high bandwidth-consuming applications, outperforming most existing host-based approaches, which are incapable of dealing with this situation. We evaluated the performance of our approach on a real-world trace. Experimental results show that P2P applications can be classified with a true positive rate higher than 97.22% and a false positive rate lower than 2.78%.

Keywords： Traffic classification     Peer-to-peer (P2P)     Fine-grained     Host-based    

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Scaling up of cluster beam deposition technology for catalysis application

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1360-1379 doi: 10.1007/s11705-021-2101-7

Abstract: synthesize nanoparticles, the gas-phase synthesis and size-selected strategy was the only method to prepare supported

Keywords： nanoparticle     cluster     cluster beam deposition     magnetron sputtering     heterogeneous catalysis    

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Polyethylene glycol-supported ionic liquid as a highly efficient catalyst for the synthesis of propylene

Rui YAO, Hua WANG, Jinyu HAN

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 3,   Pages 239-245 doi: 10.1007/s11705-012-1297-y

Abstract: The supported ionic liquid, which has both acidic and basic components, proved to be an active catalyst

Keywords： ionic liquid     PEG-supported ionic liquid     carbon dioxide     propylene carbonate    

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Removal of decabromodiphenyl ether (BDE-209) by sepiolite-supported nanoscale zerovalent iron

Rongbing FU,Na MU,Xiaopin GUO,Zhen XU,Dongsu BI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 867-878 doi: 10.1007/s11783-015-0800-3

Abstract: BDE-209 was rapidly removed by the prepared sepiolite-supported nZVI with a reaction rate that was 5The removal efficiency of BDE-209 increased with increasing dosage of sepiolite-supported nZVI particlesTHF) as a cosolvent at certain volume fractions in water influenced the degradation rate of sepiolite-supportedDebromination pathways of BDE-209 with sepiolite-supported nZVI were proposed based on the identifiedAdsorption on sepiolite-supported nZVI particles also played a role in the removal of BDE-209.

Keywords： sepiolite-supported nanoscale zerovalent iron     decabromodiphenyl ether     debromination     adsorption     mechanism    

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Processing parameter optimization of fiber laser beam welding using an ensemble of metamodels and MOABC

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0703-5

Abstract: In fiber laser beam welding (LBW), the selection of optimal processing parameters is challenging and

Keywords： laser beam welding     parameter optimization     metamodel     multi-objective    

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Application of consistent geometric decomposition theorem to dynamic finite element of 3D composite beam

Iman FATTAHI, Hamid Reza MIRDAMADI, Hamid ABDOLLAHI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 675-689 doi: 10.1007/s11709-020-0625-4

Abstract: equivalent single layer approach is utilized for dynamic finite element procedures of 3D composite beam

Keywords： composite beam     dynamic finite element     degrees of freedom coupling     experimental validation     numerical validation    

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Field testing of geosynthetic-reinforced and column-supported earth platforms constructed on soft soil

Qiangong CHENG,Jiujiang WU,Dongxue ZHANG,Fengping MA

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 2,   Pages 124-139 doi: 10.1007/s11709-014-0255-9

Abstract: This paper is focused on the behavior of geosynthetic-reinforced and column-supported (GRCS) earth platforms

Keywords： geosynthetic-reinforced and column-supported (GRCS) earth platforms     soft soil     bearing behavior     settlement    

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Experimental and numerical analysis of beam to column joints in steel structures

Gholamreza ABDOLLAHZADEH, Seyed Mostafa SHABANIAN

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 642-661 doi: 10.1007/s11709-017-0457-z

Abstract: as formability under extreme loads such as earthquakes are the primary challenges in the modeling of beam-to-columnand neural network methods have been presented in order to model the complex hysteresis behavior of beam-to-columntraining of the neural network, the experiments were carried out on samples with real dimensions of beam-to-columnthat the combinational modeling is able to display the complex narrowed hysteresis behavior of the beam-to-column

Keywords： beam to column connections     experiments     component method     neural network model     combinational modeling    

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disrupting chemicals from water through urethane functionalization of microfiltration membranes via electron beam

Frontiers of Environmental Science & Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11783-024-1805-6

Abstract:

● Urethane functionalities created on PES membranes via electron beam

Keywords： Surface functionalization     Electron beam irradiation     Microfiltration     Endocrine disrupting chemicals    

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The calculation of maximum bending normal stress for sandwich beam based on revised single beam theory

Hao Jingxin,Liu Wenjin and Wu Xinfeng

Strategic Study of CAE 2014, Volume 16, Issue 4,   Pages 92-95

Abstract: Maximum bending normal stress is one of the important parameters to measure flexural property of sandwich beamTherefore，new methodology to calculate the stress is proposed based on the equivalent single beam theoryThe results showed that revised single beam theory (RSBT) are equivalent to multi-layer theory (MLT).When cross section of beam and maximum loading are fixed，the maximum bending normal stress calculatedaccordingly with increasing ratio of core thickness to the whole，but the result is constant for single beam

Keywords： sandwich beam     bending normal stress     single beam theory     bending property    

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Bending and vibration of a discontinuous beam with a curvic coupling under different axial forces

Heng LIU, Jie HONG, Dayi ZHANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 3,   Pages 417-429 doi: 10.1007/s11465-019-0584-4

Abstract: In this study, the equations for the deflection curve and vibration frequencies of a simply supporteddiscontinuous beam under axial loads are derived analytically on the basis of boundary, continuity,The differential equations for the beam that consider moments of inertia, shearing effects, and gyroscopicThe deflection and vibration frequencies of the discontinuous beam are studied under different axialan experimental study is conducted to investigate the vibration characteristics of a discontinuous beam

Keywords： discontinuous beam     bending stiffness     transverse vibration     axial loads     gyroscopic moments    

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Dynamic analysis of composite beam subjected to harmonic moving load based on the third-order shear deformation

Mohammad Javad REZVANIL, Mohammad Hossein KARGARNOVIN, Davood YOUNESIAN

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 4,   Pages 409-418 doi: 10.1007/s11465-011-0245-8

Abstract:

The response of an infinite Timoshenko beam subjected to a harmonic moving load based on the third-orderThe beam is made of laminated composite, and located on a Pasternak viscoelastic foundation.solution is directed to compute the deflection and bending moment distribution along the length of the beamshear layer viscosity coefficients of foundation, velocity and frequency of the moving load over the beam

Keywords： timoshenko composite beam     pasternak viscoelastic foundation     third-order shear deformation theory (TSDT    

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Title Author Date Type Operation

Vibration analysis of a simply supported beam under moving mass based on moving finite element method

Zhuchao YE, Huaihai CHEN,

Journal Article

Ambient vibration testing and updating of the finite element model of a simply supported beam bridge

Ivan Gomez ARAUJO, Esperanza MALDONADO, Gustavo Chio CHO

Journal Article

Complete set technologies and equipment for 900 t simple-supported box beam construction in high-speed

Wang Qingming,Liu Linsheng

Journal Article

Fine-grained P2P traffic classification by simply counting flows

Jie HE,Yue-xiang YANG,Yong QIAO,Wen-ping DENG

Journal Article

Scaling up of cluster beam deposition technology for catalysis application

Journal Article

Polyethylene glycol-supported ionic liquid as a highly efficient catalyst for the synthesis of propylene

Rui YAO, Hua WANG, Jinyu HAN

Journal Article

Removal of decabromodiphenyl ether (BDE-209) by sepiolite-supported nanoscale zerovalent iron

Rongbing FU,Na MU,Xiaopin GUO,Zhen XU,Dongsu BI

Journal Article

Processing parameter optimization of fiber laser beam welding using an ensemble of metamodels and MOABC

Journal Article

Application of consistent geometric decomposition theorem to dynamic finite element of 3D composite beam

Iman FATTAHI, Hamid Reza MIRDAMADI, Hamid ABDOLLAHI

Journal Article

Field testing of geosynthetic-reinforced and column-supported earth platforms constructed on soft soil

Qiangong CHENG,Jiujiang WU,Dongxue ZHANG,Fengping MA

Journal Article

Experimental and numerical analysis of beam to column joints in steel structures

Gholamreza ABDOLLAHZADEH, Seyed Mostafa SHABANIAN

Journal Article

disrupting chemicals from water through urethane functionalization of microfiltration membranes via electron beam

Journal Article

The calculation of maximum bending normal stress for sandwich beam based on revised single beam theory

Hao Jingxin,Liu Wenjin and Wu Xinfeng

Journal Article

Bending and vibration of a discontinuous beam with a curvic coupling under different axial forces

Heng LIU, Jie HONG, Dayi ZHANG

Journal Article

Dynamic analysis of composite beam subjected to harmonic moving load based on the third-order shear deformation

Mohammad Javad REZVANIL, Mohammad Hossein KARGARNOVIN, Davood YOUNESIAN

Journal Article