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Free vibration analysis of laminated FG-CNT reinforced composite beams using finite element method

T. VO-DUY, V. HO-HUU, T. NGUYEN-THOI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 324-336 doi: 10.1007/s11709-018-0466-6

Abstract: The first-order shear deformation theory is used to formulate a governing equation for predicting free

Keywords: free vibration analysis     laminated FG-CNTRC beam     finite element method     first-order shear deformation theory    

Modified landfill gas generation rate model of first-order kinetics and two-stage reaction

Jiajun CHEN , Hao WANG , Na ZHANG ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 313-319 doi: 10.1007/s11783-009-0025-4

Abstract: The first-order kinetics and two-stage reaction (FKTSR) model of the LFG generation rate includes mechanismsmodified by the introduction of the outflow function and the organic acid conversion coefficient in ordermodified FKTSR model, including the LFG production potential (), the reaction rate constant in the first

Keywords: landfill gas (LFG)     generation rate model     first-order kinetics     two-stage reaction     outflow function    

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

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-ordershear deformation theory (TSDT) is studied.Also, the effects of two types of composite materials, stiffness and shear layer viscosity coefficientsIn order to demonstrate the accuracy of the present method, the results TSDT are compared with the previouslyobtained results based on first-order shear deformation theory, with which good agreements are observed

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

Flow behavior of liquid-solid coupled system of piezoelectric micropump

LU Lijun, WU Jiankang

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 50-54 doi: 10.1007/s11465-008-0003-8

Abstract: Through the mode analysis of the liquid-solid coupled system, the first-order natural frequency, diaphragm

Keywords: amplitude-frequency relationship     first-order     micropump     diaphragm vibration     electric    

Simultaneous removal of trihalomethanes by bimetallic Ag/Zn: kinetics study

Ahmed H A DABWAN, Satoshi KANECO, Hideyuki KATSUMATA, Kiyoyuki EGUSA, Tohru SUZUKI, Kiyohisa OHTA,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 322-327 doi: 10.1007/s11705-009-0261-y

Abstract: The primary degradation reaction followed a pseudo-first-order kinetic law.The first-order rate constants and the degradation efficiencies followed the decreasing order of CHBr

Keywords: reaction     first-order     dissociation     degradation reaction     aqueous    

Comparison between linear and non-linear forms of pseudo-first-order and pseudo-second-order adsorption

Junxiong LIN , Lan WANG ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 320-324 doi: 10.1007/s11783-009-0030-7

Abstract: best-fit equations of linear and non-linear forms of the two widely used kinetic models, namely pseudo-first-orderand pseudo-second-order equations, were compared in this study.The results show that the non-linear forms of pseudo-first-order and pseudo-second-order models were

Keywords: adsorption     pseudo-first order     pseudo-second order     kinetic model     linear method     non-linear method    

solid-state thermoelectric energy conversion via inorganic metal halide perovskites under tailored mechanical deformation

Lifu YAN, Lingling ZHAO, Guiting YANG, Shichao LIU, Yang LIU, Shangchao LIN

Frontiers in Energy 2022, Volume 16, Issue 4,   Pages 581-594 doi: 10.1007/s11708-022-0831-y

Abstract: metal halide perovskites CsPb(I1–xBrx)3 under mechanical deformationis systematically investigated using the first-principle calculations and the Boltzmann transport theoryIt is demonstrated that halogen mixing and mechanical deformation are efficient methods to tailor electronicMechanical deformation can further push the orbital energies apart from each other in a more controllabledevice can reach as high as approximately 12% using mixed halide perovskites under tailored mechanical deformation

Keywords: inorganic metal halide perovskites     mechanical deformation     thermoelectrics     first-principle calculations     Boltzmann transport theory    

Finite-time formation control for first-order multi-agent systems with region constraints Research Articles

Zhengquan Yang, Xiaofang Pan, Qing Zhang, Zengqiang Chen,zquanyang@163.com,1219006322@qq.com,qz120168@hotmail.com,chenzq@nankai.edu.cn

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 1,   Pages 1-140 doi: 10.1631/FITEE.2000177

Abstract: Multiple agents have first-order dynamics and a common target area.

Keywords: Finite-time formation     Multi-agent system     Asymptotic convergence     Set constraint     Lyapunov theorem    

Electrocoagulation process for the treatment of metal-plating wastewater: Kinetic modeling and energy consumption

Fatih Ilhan, Kubra Ulucan-Altuntas, Yasar Avsar, Ugur Kurt, Arslan Saral

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 5, doi: 10.1007/s11783-019-1152-1

Abstract: Cu, Ni, Cr and Zn were highly removed at the first minutes, simultaneously.Pseudo-2nd-order was found to be more suitable for kinetics.It was observed that a high proportion of removal was obtained during the first minutes of the electrocoagulation

Keywords: Electrochemical treatment     Heavy metals     Kinetic modeling     Pseudo first order kinetic     Pseudo second order    

Shallow foundation response variability due to soil and model parameter uncertainty

Prishati RAYCHOWDHURY,Sumit JINDAL

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 3,   Pages 237-251 doi: 10.1007/s11709-014-0242-1

Abstract: sensitivity of both soil and model input parameters on shallow foundation responses are investigated using first-ordershallow foundation is highly sensitive soil parameters, such as friction angle, Poisson’s ratio and shear

Keywords: shallow foun dation     sensitivity analysis     centrifuge data     first-order-second-moment (FOSM) method     parameter    

Mechanism of methanol decomposition on the Pd/WC(0001) surface unveiled by first-principles calculations

Jinhua Zhang, Yuanbin She

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6,   Pages 1052-1064 doi: 10.1007/s11705-019-1908-y

Abstract: tungsten carbide (WC)(0001) surface is systematically investigated using periodic density functional theory

Keywords: density functional theory     methanol     direct methanol fuel cells     WC(0001)-supported Pd monolayer     decomposition    

thin-walled box continuous girder with variable cross-sections in considering effect of large deflection and shear

Yuji CHEN, Qizhi LUO,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 352-356 doi: 10.1007/s11709-009-0057-7

Abstract: In order to study the mechanics behavior of a thin-walled box continuous girder with variable cross-sections, using potential variation theories, considering the effect of shear lag of flange’s stress andThe results of the calculation show that different shear lag warp functions to the cantilever, top and

Keywords: thin-walled box girder with variable cross-sections     potential variational theory     shear lag     large deflection    

Boundary conditions for axisymmetric piezoelectric cylinder

Baosheng ZHAO, Di WU, Xi CHEN

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 4,   Pages 401-408 doi: 10.1007/s11465-013-0272-8

Abstract: The prescribed end-data of the circle cylinder must satisfy these conditions in order that they couldconditions are imposed on the end of cylinder, these decaying state conditions for the case of axisymmetric deformationThey are then used for the correct formulation of boundary conditions for the theory solution (or thepaper enable us to establish a set of correct boundary conditions, most of which are obtained for the first

Keywords: solid and structures     the axisymmetric deformation     the piezoelectric circular cylinder     the refined theory    

Research of the Organization Structure of Large Construction Companies Based on the Entropy Theory

Wang Xing,Zhan Wei,Wang Guoqing

Strategic Study of CAE 2014, Volume 16, Issue 10,   Pages 84-88

Abstract:

This paper analyzes the significance of organization management to the companies and the relationship between the enterprise organization structure design and information transfer. The differences of organization structures between construction companies at home and abroad are compared. The information entropy model is used to evaluate the structure from two aspects as efficiency and effectiveness of time transmission. Based on this model, Kajima Construction Group and China Railway Construction Corporation are evaluated.

Keywords: organization structure     large construction companies     entropy theory     degree of order    

Effect of metal ion-doping on characteristics and photocatalytic activity of TiO

Rongfang YUAN,Beihai ZHOU,Duo HUA,Chunhong SHI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 850-860 doi: 10.1007/s11783-014-0737-y

Abstract: .% Fe -doped TiO nanotubes calcined at 550°C, the removal efficiency of HA was 80% with a pseudo-first-order

Keywords: TiO2 nanotubes     ion-doping     humic acids     pseudo-first-order     mechanism    

Title Author Date Type Operation

Free vibration analysis of laminated FG-CNT reinforced composite beams using finite element method

T. VO-DUY, V. HO-HUU, T. NGUYEN-THOI

Journal Article

Modified landfill gas generation rate model of first-order kinetics and two-stage reaction

Jiajun CHEN , Hao WANG , Na ZHANG ,

Journal Article

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

Mohammad Javad REZVANIL, Mohammad Hossein KARGARNOVIN, Davood YOUNESIAN

Journal Article

Flow behavior of liquid-solid coupled system of piezoelectric micropump

LU Lijun, WU Jiankang

Journal Article

Simultaneous removal of trihalomethanes by bimetallic Ag/Zn: kinetics study

Ahmed H A DABWAN, Satoshi KANECO, Hideyuki KATSUMATA, Kiyoyuki EGUSA, Tohru SUZUKI, Kiyohisa OHTA,

Journal Article

Comparison between linear and non-linear forms of pseudo-first-order and pseudo-second-order adsorption

Junxiong LIN , Lan WANG ,

Journal Article

solid-state thermoelectric energy conversion via inorganic metal halide perovskites under tailored mechanical deformation

Lifu YAN, Lingling ZHAO, Guiting YANG, Shichao LIU, Yang LIU, Shangchao LIN

Journal Article

Finite-time formation control for first-order multi-agent systems with region constraints

Zhengquan Yang, Xiaofang Pan, Qing Zhang, Zengqiang Chen,zquanyang@163.com,1219006322@qq.com,qz120168@hotmail.com,chenzq@nankai.edu.cn

Journal Article

Electrocoagulation process for the treatment of metal-plating wastewater: Kinetic modeling and energy consumption

Fatih Ilhan, Kubra Ulucan-Altuntas, Yasar Avsar, Ugur Kurt, Arslan Saral

Journal Article

Shallow foundation response variability due to soil and model parameter uncertainty

Prishati RAYCHOWDHURY,Sumit JINDAL

Journal Article

Mechanism of methanol decomposition on the Pd/WC(0001) surface unveiled by first-principles calculations

Jinhua Zhang, Yuanbin She

Journal Article

thin-walled box continuous girder with variable cross-sections in considering effect of large deflection and shear

Yuji CHEN, Qizhi LUO,

Journal Article

Boundary conditions for axisymmetric piezoelectric cylinder

Baosheng ZHAO, Di WU, Xi CHEN

Journal Article

Research of the Organization Structure of Large Construction Companies Based on the Entropy Theory

Wang Xing,Zhan Wei,Wang Guoqing

Journal Article

Effect of metal ion-doping on characteristics and photocatalytic activity of TiO

Rongfang YUAN,Beihai ZHOU,Duo HUA,Chunhong SHI

Journal Article