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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-ordersecond-moment (FOSM) analysis and Monte Carlo simulation through Latin hypercube sampling technique.

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

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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 wereIn addition, the Δ(%) method for error analysis may be better to determine the best-fitting model

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

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Numerical simulation of sudden-expansion two-phase flows with two-scale second-order moment particle

ZENG Zhuoxiong, HAN Shoulei, ZHOU Lixing

Frontiers in Energy 2007, Volume 1, Issue 2,   Pages 202-206 doi: 10.1007/s11708-007-0026-6

Abstract: A two-scale second-order moment particle turbulence model is developed, based on the concept of particleSimulation results are compared with the experimental results and with those obtained by the single-scale second-ordermoment two-phase turbulence model.

Keywords： gas-particle     single-scale second-order     large-scale fluctuation     second-order     sudden-expansion    

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High-order phase-field model with the local and second-order max-entropy approximants

Fatemeh AMIRI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 406-416 doi: 10.1007/s11709-018-0475-5

Abstract: We approximate the fracture surface energy functional based on phase-field method with smooth local maximumentropy (LME) and second-order maximum entropy (SME) approximants.solve the fourth-order phase-field equations without splitting the fourth-order differential equationinto two second-order differential equations.We will first show that the crack surface functional can be captured more accurately in the fourth-order

Keywords： second-order maximum entropy     local maximum entropy     second- and fourth-order phase-field models     B-spline    

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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.The precipitation of these metals is mostly achieved by pH adjustment, but as an alternative to this methodIt 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    

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High-order moment methods for LRFD including random variables with unknown probability distributions

Zhao-Hui LU, Yan-Gang ZHAO, Zhi-Wu YU

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 288-295 doi: 10.1007/s11709-013-0210-1

Abstract: In this paper, the high-order moment methods for LRFD including random variables with unknown probabilitydetermined even when the probability distributions of the basic random variables are unknown; 2) The present methoditerative computation of derivatives nor any design points; 3) In the applicable range of the high-ordermoment method, although the load and resistance factors obtained by the proposed method may be differentfrom those obtained by first order reliability method (FORM), the target mean resistances obtained by

Keywords： high-order moment methods     applicable range     load and resistance factors     target mean resistance    

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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 firststage (), and the reaction rate constant in the second stage () of 64.746 L, 0.202 d, and

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

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Reliability Optimization Design for Coil Tube-spring

Zhang Yimin,He Xiangdong,Wen Bangchun

Strategic Study of CAE 2002, Volume 4, Issue 5,   Pages 71-74

Abstract:

Techniques from the second moment method and reliability optimization design method are employed topresent the practical and effective method for the reliability optimization design for coil tube-spring

Keywords： coil tube-spring     reliability     optimization design     second moment method    

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Time-varying formation tracking for uncertain second-order nonlinearmulti-agent systems

Mao-peng RAN, Li-hua XIE, Jun-cheng LI

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 1,   Pages 76-87 doi: 10.1631/FITEE.1800557

Abstract:

Our study is concerned with the time-varying formation tracking problem for second-order multi-agent

Keywords： Multi-agent system     Time-varying formation     Formation tracking     Nonlinear dynamics     Extended state observer (ESO)    

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Analysis of nonlinear channel friction inverse problem

CHENG Weiping, LIU Guohua

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 205-210 doi: 10.1007/s11709-007-0024-0

Abstract: analyses demonstrate that the convergence rate of the general Newton optimization algorithm is in the second-orderThe Wiggins method is also incorporated into the algorithm.Using the method, noise can be suppressed effectively, and the results are close to accurate solutions

Keywords： singular     SVD     second-order     covariance     Theoretical    

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Estimation of load and resistance factors using the third-moment method based on the 3P-lognormal distribution

Yan-Gang ZHAO, Zhao-Hui LU

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 315-322 doi: 10.1007/s11709-011-0117-7

Abstract: Load and resistance factors are generally obtained using the first order reliability method (FORM) inIn this article, the third-moment reliability index, based on the three-parameter lognormal (3P-lognormalA simple method based on the third-moment method for estimating load and resistance factors is then proposedUnlike the currently used method, the proposed method can be used to determine load and resistance factorsNumerical examples are presented to demonstrate the advantages of the proposed third moment method for

Keywords： load and resistance factors     third-moment method     three-parameter lognormal (3P-lognormal) distribution    

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Performance analysis of combined cycle power plant

Nikhil DEV,Rajesh ATTRI

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 371-386 doi: 10.1007/s11708-015-0371-9

Abstract: Case 7, the effects of pressure ratio, turbine inlet temperature and ambient relative humidity on the firstand second law is studied.

Keywords： first-law     second-law     exergy destruction     components    

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Study on Mechanical Behavior of a Prestressed ConcreteCable-stayed Bridge in Construction State

Zhang Jianmin,Xiao Rucheng

Strategic Study of CAE 2007, Volume 9, Issue 5,   Pages 36-41

Abstract:  This paper introduces the optimization theory and method into the calculation of cantilever construction

Keywords： cable-stayed bridge     first order optimization method     the rational construction state     nonlinearcharacteristic    

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Damage identification in connections of moment frames using time domain responses and an optimizationmethod

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 851-866 doi: 10.1007/s11709-021-0739-3

Abstract: In this study, an optimization-based method for joint damage identification of moment frames using theThe beam-to-column connection in a metallic moment frame structure is modeled by a zero-length rotationalTo assess the capability of the proposed method, two numerical examples via different damage scenariosThen, a comparison between the proposed method and the existing damage identification method is providedThe outcomes reveal the high efficiency of the proposed method for finding the severity and location

Keywords： damage identification     beam-to-column connection     time-domain response     optimization    

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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: This paper employs a shallow water model and the finite element method to approximate periodical flowsThrough the mode analysis of the liquid-solid coupled system, the first-order natural frequency, diaphragmthickness-averaged flow equation, the periodical flow of the micropump is studied using the finite volume method

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

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Title Author Date Type Operation

Shallow foundation response variability due to soil and model parameter uncertainty

Prishati RAYCHOWDHURY,Sumit JINDAL

Journal Article

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

Junxiong LIN , Lan WANG ,

Journal Article

Numerical simulation of sudden-expansion two-phase flows with two-scale second-order moment particle

ZENG Zhuoxiong, HAN Shoulei, ZHOU Lixing

Journal Article

High-order phase-field model with the local and second-order max-entropy approximants

Fatemeh AMIRI

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

High-order moment methods for LRFD including random variables with unknown probability distributions

Zhao-Hui LU, Yan-Gang ZHAO, Zhi-Wu YU

Journal Article

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

Jiajun CHEN , Hao WANG , Na ZHANG ,

Journal Article

Reliability Optimization Design for Coil Tube-spring

Zhang Yimin,He Xiangdong,Wen Bangchun

Journal Article

Time-varying formation tracking for uncertain second-order nonlinearmulti-agent systems

Mao-peng RAN, Li-hua XIE, Jun-cheng LI

Journal Article

Analysis of nonlinear channel friction inverse problem

CHENG Weiping, LIU Guohua

Journal Article

Estimation of load and resistance factors using the third-moment method based on the 3P-lognormal distribution

Yan-Gang ZHAO, Zhao-Hui LU

Journal Article

Performance analysis of combined cycle power plant

Nikhil DEV,Rajesh ATTRI

Journal Article

Study on Mechanical Behavior of a Prestressed ConcreteCable-stayed Bridge in Construction State

Zhang Jianmin,Xiao Rucheng

Journal Article

Damage identification in connections of moment frames using time domain responses and an optimizationmethod

Journal Article

Flow behavior of liquid-solid coupled system of piezoelectric micropump

LU Lijun, WU Jiankang

Journal Article