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The Study on Steady Flow and Transient Flow Mathematical Models for City’s Water Distribution Pipeline

Wang Shoudong,Shen Yongming,Jiang Hengzhi

Strategic Study of CAE 2007, Volume 9, Issue 12,   Pages 26-30

Abstract:

Firstly,  based on node equation method,  a water distributionpipeline network steady flow mathematical model is established and is solved by using the Newton iterationmethod. Secondly,  the mathematic model for transient flow set up by characteristic method can benbsp;The results are that these models can be applied to hydraulic balance calculation for city's

Keywords： water distribution pipeline network     steady flow     transient flow     water hammer     Newton’s iteration method    

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Deriving Improved Newton's Second Law and the Law of Gravity at One Time with Form of Fractal Formula

Fu Yuhua

Strategic Study of CAE 2003, Volume 5, Issue 6,   Pages 55-58

Abstract:

Newton's second law and the law of gravity are summarized with experimental results.possibility of deriving the two laws theoretically, according to the law of conservation of energy, the methodof deriving improved Newton's second law and the law of gravity at one time with variable dimensionfractal method is presented for an example (a small ball moves down along a long incline).'s second law F = ma1.01458.

Keywords： Newton & acute     s second law     the law of gravity     theoretical derivation    

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Rotation errors in numerical manifold method and a correction based on large deformation theory

Ning ZHANG, Xu LI, Qinghui JIANG, Xingchao LIN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1036-1053 doi: 10.1007/s11709-019-0535-5

Abstract: Numerical manifold method (NMM) is an effective method for simulating block system, however, significantIn this method, the governing equation is derived using Green strain, the large deformation iterationand the open-close iteration are combined, and an updating strategy is proposed.The proposed method is used to analyze block rotation, beam bending, and rock falling problems and theresults prove that all three kinds of errors are eliminated in this method.

Keywords： numerical manifold method     rotation     large deformation     Green strain     open-close iteration    

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RETRACTED ARTICLE: Using a Newton-type technique for smart meters estimation frequency of electric power

Tanveer AHMAD,Qadeer UI HASAN

Frontiers in Energy 2016, Volume 10, Issue 4,   Pages 489-489 doi: 10.1007/s11708-016-0395-9

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A fast compound direct iterative algorithm for solving transient line contact elastohydrodynamic lubrication problems

Jian LIU,Yuxue CHEN,Zhenzhi HE,Shunian YANG

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 156-167 doi: 10.1007/s11465-014-0297-7

Abstract: First, by introducing a special matrix splitting iteration method into the traditional compound directiterative method, the full matrices for the linear systems of equations are transformed into sparsebanded ones with any half-bandwidth; then, an extended Thomas method which can solve banded linear systemsThrough the above two steps, the computational complexity of each iteration is reduced approximatelyalgorithm increases computing speed several times more than the traditional compound direct iterative method

Keywords： elastohydrodynamic lubrication     transient     line contact     matrix splitting iteration method     the Thomas method    

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Research and practice on system engineering management of a mobile payment project

Yongkai ZHOU, Hongfeng CHAI

Frontiers of Engineering Management 2017, Volume 4, Issue 2,   Pages 127-137 doi: 10.15302/J-FEM-2017011

Abstract: perspective of systems engineering, this paper introduces research and implementation of China UnionPay’s

Keywords： systems engineering     mobile payment     engineering management method     Mobile QuickPass     national informationsecurity     rapid iteration process     financial security     coordination and cooperation    

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Impact of selection of DC base values and DC link control strategies on sequential AC-DC power-flow convergence

Shagufta KHAN,Suman BHOWMICK

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 399-412 doi: 10.1007/s11708-015-0374-6

Abstract: The sequential method is used to solve the DC variables in the Newton Raphson (NR) power flow model,equivalent reactive power injections cannot be computed a-priori and need to be computed in every NR iteration

Keywords： AC-DC power-flow     Newton-Raphson method     high voltage direct current (HVDC) control strategy    

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A Train-Bridge Dynamic Interaction Analysis Method and Its Experimental Validation

Nan Zhang, Yuan Tian, He Xia

Engineering 2016, Volume 2, Issue 4,   Pages 528-536 doi: 10.1016/J.ENG.2016.04.012

Abstract: dynamic interaction problem began with the development of railway technology, and requires an evaluation methodinteraction system proposed in this paper, the train vehicle model is established by the rigid-body dynamics method, the bridge model is established by the finite element method, and the wheel/rail vertical and lateralThe train-bridge dynamic interaction system is solved by inter-history iteration.

Keywords： Train-bridge dynamic interaction     Wheel/rail relationship     Inter-history iteration     Field measurement     Experimental    

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The smoothed finite element method (S-FEM): A framework for the design of numerical models for desired

Gui-Rong Liu

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 456-477 doi: 10.1007/s11709-019-0519-5

Abstract:

The smoothed finite element method (S-FEM) was originated by G R Liu by combining some meshfree techniqueswith the well-established standard finite element method (FEM).A number of important properties and unique features of S-FEM models are discussed in detail, includingThe S-FEM is thus ideal for automation in computations and adaptive analyses, and hence has profoundas wish, meaning that S-FEM offers a framework for design numerical models with desired properties.

Keywords： computational method     finite element method     smoothed finite element method     strain smoothing technique    

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Research on analysis method of suspension bridge based on ANSYS

Xie Xuefeng and Luo Xiheng

Strategic Study of CAE 2012, Volume 14, Issue 5,   Pages 101-105

Abstract: In the end, the method is verified through finite element model in Runyang Yangtze River Bridge.

Keywords： suspension bridge     ANSYS-secondary-development     saddle     incremental launching     unstressed length     iteration    

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Joint compressed sensing imaging and phase adjustment via an iterative method for multistatic passive None

Jue WANG, Jun WANG

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 4,   Pages 557-568 doi: 10.1631/FITEE.1601423

Abstract: To improve the performance of an MPRIS, an imaging method based on the tomographic imaging principleminimizing the mean recovery error of the reconstructed image based on the principle of fixed-point iteration

Keywords： Multistatic passive radar     Compressed sensing     Phase adjustment     Fixed-point iteration technique    

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The S-N Curve Fitted by the Least Square Method Considering the Effect of Length of the Confidence Interval

Yang Xiaohua,Jin Ping,Yao Weixing

Strategic Study of CAE 2004, Volume 6, Issue 4,   Pages 41-43

Abstract:

The S-N curve is the base of calculating fatigue structural life.Founding on physical mechanism, this paper presents a weighted least square method in which the weighThe calculating results show that the S-N curve which is gained by the least square method consideringthe effect of length of the confidence interval is more reliable and secure than the S-N curve whichis gained by general least square method.

Keywords： confidence interval     fatigue life     least square method     S-N curve    

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Numerical analysis of strongly nonlinear oscillation systems using He’s max-min method

H. BABAZADEH, G. DOMAIRRY, A. BARARI, R. AZAMI, A. G. DAVODI

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 4,   Pages 435-441 doi: 10.1007/s11465-011-0243-x

Abstract: This paper presents a novel method called the max-min method for presenting an accurate approximate analytical

Keywords： min-max method     nonlinear oscillation     duffing equation     mathematical pendulum     He’s energy balance method    

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Iteration framework for solving mixed lubrication computation problems

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 635-648 doi: 10.1007/s11465-021-0632-8

Abstract: A discretization formula of the Reynolds equation, which is based on the Crank–Nicolson method, is proposedthe pressure distribution is reliable and reflects the accuracy and effectiveness of the developed method

Keywords： mixed lubrication     discretization formula     relative error     Reynolds equation     asperity    

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Research on Prony’s method modeling in multi-target detection of stepped-frequency radar

Hu Tiling,Li Xingguo

Strategic Study of CAE 2008, Volume 10, Issue 10,   Pages 67-71

Abstract: Corresponding modeling analysis and experiment simulation explain the advantages of Prony's method

Keywords： high resolution radar     stepped-frequency signal     extended Prony’s method     multi-scattering center    

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Title Author Date Type Operation

The Study on Steady Flow and Transient Flow Mathematical Models for City’s Water Distribution Pipeline

Wang Shoudong,Shen Yongming,Jiang Hengzhi

Journal Article

Deriving Improved Newton's Second Law and the Law of Gravity at One Time with Form of Fractal Formula

Fu Yuhua

Journal Article

Rotation errors in numerical manifold method and a correction based on large deformation theory

Ning ZHANG, Xu LI, Qinghui JIANG, Xingchao LIN

Journal Article

RETRACTED ARTICLE: Using a Newton-type technique for smart meters estimation frequency of electric power

Tanveer AHMAD,Qadeer UI HASAN

Journal Article

A fast compound direct iterative algorithm for solving transient line contact elastohydrodynamic lubrication problems

Jian LIU,Yuxue CHEN,Zhenzhi HE,Shunian YANG

Journal Article

Research and practice on system engineering management of a mobile payment project

Yongkai ZHOU, Hongfeng CHAI

Journal Article

Impact of selection of DC base values and DC link control strategies on sequential AC-DC power-flow convergence

Shagufta KHAN,Suman BHOWMICK

Journal Article

A Train-Bridge Dynamic Interaction Analysis Method and Its Experimental Validation

Nan Zhang, Yuan Tian, He Xia

Journal Article

The smoothed finite element method (S-FEM): A framework for the design of numerical models for desired

Gui-Rong Liu

Journal Article

Research on analysis method of suspension bridge based on ANSYS

Xie Xuefeng and Luo Xiheng

Journal Article

Joint compressed sensing imaging and phase adjustment via an iterative method for multistatic passive

Jue WANG, Jun WANG

Journal Article

The S-N Curve Fitted by the Least Square Method Considering the Effect of Length of the Confidence Interval

Yang Xiaohua,Jin Ping,Yao Weixing

Journal Article

Numerical analysis of strongly nonlinear oscillation systems using He’s max-min method

H. BABAZADEH, G. DOMAIRRY, A. BARARI, R. AZAMI, A. G. DAVODI

Journal Article

Iteration framework for solving mixed lubrication computation problems

Journal Article

Research on Prony’s method modeling in multi-target detection of stepped-frequency radar

Hu Tiling,Li Xingguo

Journal Article