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Pull-through capacity of bolted thin steel plate

Zhongwei ZHAO, Miao LIU, Haiqing LIU, Bing LIANG, Yongjing LI, Yuzhuo ZHANG

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5,   Pages 1166-1179 doi: 10.1007/s11709-020-0641-4

Abstract: A refined numerical model of bolt was first constructed and then validated using existing experimentResults derived using the numerical and analytical methods were compared and the results indicated that

Keywords： bolted thin steel plate     refined numerical model     loading capacity     nonlinear spring element     analytical    

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Evaluation of potential failure of rock slope at the left abutment of Jinsha River Bridge by model testand numerical method

Zhiming ZHAO, Xihua WANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 332-340 doi: 10.1007/s11709-013-0206-x

Abstract: To evaluate the stability of the rock slope under bridge foundation, model test and calculation modelAccording to model test, failure mainly initiated at the toe with shear movement along the joint planesresulting in the sliding along the slope surface and formation of tension crack at the crest of the modelThis result coincide with the UDEC model, which shows that slope surface will produce loosening damage

Keywords： slope stability     strength properties     model test     numerical analysis    

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Reverse engineering in the construction of numerical simulation oriented patient-specific model of stented

Xianlong MENG, Wenyu FU, Yun ZHANG, Aike QIAO,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 328-335 doi: 10.1007/s11465-010-0026-9

Abstract: flow in the boundary layer changes so strongly that fine meshes in the boundary layer are required in numericalprecisely analyze hemodynamics, it is necessary to investigate the approaches to the reconstruction of a numericalsimulation-oriented patient-specific model for aortic arch aneurysm that can perform particular meshingto reconstruct a solid model using CAD software Geomagic and Pro/E, and a simplified model of stentThe finite element model particularly suitable for numerical simulation of hemodynamics was obtained.

Keywords： reverse engineering     aortic arch aneurysm     surface model     meshing     finite element model    

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A two-dimensional numerical model for eutrophication in Baiyangdian Lake

Xudong WANG, Shushen ZHANG, Suling LIU, Jingwen CHEN

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 6,   Pages 815-824 doi: 10.1007/s11783-011-0383-6

Abstract: An eutrophication eco-dynamics model including the effects of reed resistance on flow was coupled withThe model simulates water quality constituents associated with eutrophication in the lake, includingThe values calculated by the calibrated model agree well with field data, including ammonia nitrogen,Deviations between model-simulated and observed values are discussed.As an ideal tool for environmental management of the lake, this model can be used to predict its water

Keywords： eutrophication     eco-dynamics     hydrodynamics     improved Water Quality Analysis Simulation Program (WASP) model    

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A refined risk explicit interval linear programming approach for optimal watershed load reduction with

Pingjian YANG,Feifei DONG,Yong LIU,Rui ZOU,Xing CHEN,Huaicheng GUO

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1,   Pages 129-140 doi: 10.1007/s11783-014-0683-8

Abstract: Therefore, a refined REILP model is proposed in this study to further enhance the decision support capabilityBy introducing a tradeoff factor ( ) into the total risk function, the refined REILP can lead to differentThe proposed model was illustrated using a case study that deals with uncertainty-based optimal loadThe results of the standard and refined REILP model were compared under 11 aspiration levels.The results demonstrate that, by applying the refined REILP, it is possible to obtain solutions that

Keywords： refined risk explicit interval linear programming     decision making     objective-constraint uncertainty tradeoff    

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Centrifuge model test on dynamic behavior of group-pile foundation with inclined piles and its numerical

ZHANG Feng, OKAWA Katsunori, KIMURA Makoto

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 3,   Pages 233-241 doi: 10.1007/s11709-008-0033-7

Abstract: of a group-pile foundation with inclined piles in loose sand has been investigated with centrifuge modelThe numerical analyses are conducted with a full system in which a superstructure, a pile foundationThe validity of the calculation is verified by the model tests.

Keywords： centrifuge     Different     three-dimensional elastoplastic     calculation     inclined    

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A numerical wave model with weak nonlinearity and its application ability analysis

Liu Zhongbo,Tang Jun

Strategic Study of CAE 2010, Volume 12, Issue 9,   Pages 96-100

Abstract: style="text-align: justify;">Based on the extended Boussinesq equation with weak nonlinearity, 2-D numericalmodel was established in nonstaggered grids by the finite difference method.Numerical simulation was done upon one-dimension and two-dimension wave propagations problem, and throughthe comparisons of numerical results with the related experimental data, the application of the extended

Keywords： numerical model     application ability     wave    

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Three-dimensional numerical modeling of single geocell-reinforced sand

Xiaoming YANG, Jie HAN, Robert L. PARSONS, Dov LESHCHINSKY,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 233-240 doi: 10.1007/s11709-010-0020-7

Abstract: This paper summarizes the development of a three-dimensional numerical model for analyzing single geocell-reinforcedIn this model, the infill soil was modeled using the Duncan-Chang model, which can simulate non-linearityA linear interface stress-strain relationship with a Mohr-Coulomb yield criterion was adopted to modelA numerical model was created according to the setup of the load test.The numerical results compared reasonably well with the test data.

Keywords： geosynthetic reinforcement     geocell     numerical model     FLAC3D    

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Refined analysis of axi-symmetric circular cylinder in the axial magnetic field without ad hoc assumption

Baosheng ZHAO, Yang GAO, Yingtao ZHAO, Dechen ZHANG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 318-323 doi: 10.1007/s11465-011-0232-0

Abstract:

The refined theory for axi-symmetric magnetoelastic circular cylinder is deduced systematically andBased on the general solution of magnetoelastic equation and the Lur’e method, the refined theoryOn the basis of the refined theory developed in the present study, solutions are obtained for magnetoelasticFor the circular cylinder with homogeneous boundary conditions, the refined theory provides exact solutions

Keywords： refined analysis     axially symmetric deformation     circular cylinder     Bessel’s function     axial magnetic field    

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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: two modeling methods including mechanical and neural network methods have been presented in order to modelFirst, the component-based mechanical model will be introduced in which every source of transformationThis model has also been successfully employed for the prediction of the behavior of a newly designed

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

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Study on three-dimensional numerical model for shallow water flow

Ding Daoyang,Wu Shiqiang

Strategic Study of CAE 2010, Volume 12, Issue 2,   Pages 32-39

Abstract:

A three-dimensional numerical model for shallow flow based on a layer-integratedThe experiment data in mending channel flow is selected to verify the proposed model.Therefore, the present 3D shallow flow model is a robust and efficient tool for simulating the shallow

Keywords： three-dimensional flow model     numerical simulation     mending channel     shallow water flow    

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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:

For axisymmetric piezoelectric cylinder, the reciprocal theorem and the axisymmetric general solution of piezoelasticity are applied in a novel way to obtain the appropriate stress and mixed boundary conditions accurate to all orders for the cylinder of general edge geometry and loadings. A decay analysis technique developed by Gregory and Wan is converted into necessary conditions on the end-data of axisymmetric piezoelectric circular cylinder, and the rapidly decaying solution is established. The prescribed end-data of the circle cylinder must satisfy these conditions in order that they could generate a decaying state within the cylinder. When stress and mixed conditions are imposed on the end of cylinder, these decaying state conditions for the case of axisymmetric deformation of piezoelectric cylinder are derived explicitly. They are then used for the correct formulation of boundary conditions for the theory solution (or the interior solution) of axisymmetric piezoelectric cylinder. The results of the present paper enable us to establish a set of correct boundary conditions, most of which are obtained for the first time.

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

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Application of Zero Equation Turbulence Model for Numerical Simulation of Air Distribution in Train Compartment

Yang Peizhi,Gu Xiaosong

Strategic Study of CAE 2006, Volume 8, Issue 1,   Pages 26-29

Abstract:

It will cost much time for numerical simulation of air distribution in train compartment using k -ε turbulence model, so zero equation turbulence model is used for simulating airflow in trainIn this paper, zero equation turbulence model and k - ε turbulence model were applied for numericalSo zero equation turbulence model has the merit of simpleness and quickness, it will provide a simpleand convenient numerical simulation method for the design of train air-conditioning system.

Keywords： air-conditioning     zero equation turbulence model     numerical simulation     train    

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Effect of adjusted mesoscale drag model on flue gas desulfurization in powder-particle spouted beds

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 909-920 doi: 10.1007/s11705-021-2100-8

Abstract: An energy minimum multiscale model was adjusted to simulate the mesoscale structure of the flue gas desulfurizationThe obtained results revealed that the spout morphology simulated by the adjusted mesoscale drag modelIn addition, more thorough gas radial mixing was achieved using the adjusted mesoscale drag model.The mass fraction of water in the gas mixture at the outlet determined by the heterogeneous drag modelwas 1.5 times higher than that obtained by the homogeneous drag model during the simulation of water

Keywords： adjusted mesoscale drag model     particle image velocimetry     water vaporization     desulfurization reaction     numerical simulation    

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Large-scale model test study on the water pressure resistance of construction joints of karst tunnel

Frontiers of Structural and Civil Engineering   Pages 1249-1263 doi: 10.1007/s11709-023-0974-x

Abstract: Model tests and numerical calculations were adopted based on the New Yuanliangshan tunnel project toA large-scale model test was designed and conducted, innovatively transforming the external water pressuretest was verified via numerical calculations.The water pressure resistance of the construction joint determined via numerical calculations is similarto the model test results, indicating that the model test results have high accuracy and reliability

Keywords： karst tunnel     lining construction joint     water pressure resistance     large-scale model test     numerical    

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Title Author Date Type Operation

Pull-through capacity of bolted thin steel plate

Zhongwei ZHAO, Miao LIU, Haiqing LIU, Bing LIANG, Yongjing LI, Yuzhuo ZHANG

Journal Article

Evaluation of potential failure of rock slope at the left abutment of Jinsha River Bridge by model testand numerical method

Zhiming ZHAO, Xihua WANG

Journal Article

Reverse engineering in the construction of numerical simulation oriented patient-specific model of stented

Xianlong MENG, Wenyu FU, Yun ZHANG, Aike QIAO,

Journal Article

A two-dimensional numerical model for eutrophication in Baiyangdian Lake

Xudong WANG, Shushen ZHANG, Suling LIU, Jingwen CHEN

Journal Article

A refined risk explicit interval linear programming approach for optimal watershed load reduction with

Pingjian YANG,Feifei DONG,Yong LIU,Rui ZOU,Xing CHEN,Huaicheng GUO

Journal Article

Centrifuge model test on dynamic behavior of group-pile foundation with inclined piles and its numerical

ZHANG Feng, OKAWA Katsunori, KIMURA Makoto

Journal Article

A numerical wave model with weak nonlinearity and its application ability analysis

Liu Zhongbo,Tang Jun

Journal Article

Three-dimensional numerical modeling of single geocell-reinforced sand

Xiaoming YANG, Jie HAN, Robert L. PARSONS, Dov LESHCHINSKY,

Journal Article

Refined analysis of axi-symmetric circular cylinder in the axial magnetic field without ad hoc assumption

Baosheng ZHAO, Yang GAO, Yingtao ZHAO, Dechen ZHANG

Journal Article

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

Gholamreza ABDOLLAHZADEH, Seyed Mostafa SHABANIAN

Journal Article

Study on three-dimensional numerical model for shallow water flow

Ding Daoyang,Wu Shiqiang

Journal Article

Boundary conditions for axisymmetric piezoelectric cylinder

Baosheng ZHAO, Di WU, Xi CHEN

Journal Article

Application of Zero Equation Turbulence Model for Numerical Simulation of Air Distribution in Train Compartment

Yang Peizhi,Gu Xiaosong

Journal Article

Effect of adjusted mesoscale drag model on flue gas desulfurization in powder-particle spouted beds

Journal Article

Large-scale model test study on the water pressure resistance of construction joints of karst tunnel

Journal Article