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Two-scale modeling of granular materials: A FEM-FEM approach

Yun-Zhu CAI, Yu-Ching WU

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 304-315 doi: 10.1007/s11709-013-0213-y

Abstract: The granular structure consisting of two-dimensional grains is modeled by the microscopic finite elementfinite element method at large-scale level.The link between scales is made using a computational homogenization method.is treated individually with the appropriate constitutive relations obtained from a representative volumeThe method could be used in a variety of problems that can be represented using granular media.

Keywords： homogenization     two-scale     representative volume element     compaction     granular assembly     finite element method    

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A novel ensemble model for predicting the performance of a novel vertical slot fishway

Aydin SHISHEGARAN, Mohammad SHOKROLLAHI, Ali MIRNOROLLAHI, Arshia SHISHEGARAN, Mohammadreza MOHAMMAD KHANI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1418-1444 doi: 10.1007/s11709-020-0664-x

Abstract: We investigate the performance of a novel vertical slot fishway by employing finite volume and surrogateinclude the opening between baffles ( ), the ratio of the length of the large and small baffles, the volumeThe results show that the key parameters of the maximum turbulence and velocity are the volume flow rate

Keywords： novel vertical slot fishway     parametric study     finite volume method     ensemble model     gene expression programming    

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Two dimensional value simulation of shallow water equation

Xiang Bo,Mi Xiao,Ji Changming,Luo Qingsong

Strategic Study of CAE 2008, Volume 10, Issue 7,   Pages 118-124

Abstract: justify;">The unstructured triangular mesh adapts to complex irregular boundary.Based on this,adopting finitevolume method to disperse shallow water equation and combining with the finite difference method, this

Keywords： shallow water equation     finite volume method     unstructured mesh     dam-break    

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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).

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

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Applying the spectral stochastic finite element method in multiple-random field RC structures

Abbas YAZDANI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 4,   Pages 434-447 doi: 10.1007/s11709-022-0820-6

Abstract: This paper uses the spectral stochastic finite element method (SSFEM) for analyzing reinforced concrete

Keywords： uncertainty     spectral stochastic finite element method     correlation length     reliability assessment     reinforced    

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Slope stability analysis based on a multigrid method using a nonlinear 3D finite element model

Yaoru LIU, Zhu HE, Bo LI, Qiang YANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 1,   Pages 24-31 doi: 10.1007/s11709-013-0190-1

Abstract: The rigid-body limit equilibrium method cannot reflect the actual stress distribution in a rock mass,and the finite-element-based strength reduction method also has some problems with respect to convergencefor finite element computation and a slip surface grid for computing slope stability safety factors.through a combination of nonlinear finite element analysis and limit equilibrium analysis.adopted in the nonlinear finite element computation.

Keywords： slope     stability     multi-grid method     nonlinear     finite element method    

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Special Column on Multiscale Stochastic Finite Element Method

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 105-106 doi: 10.1007/s11709-015-0297-7

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Multiscale stochastic finite element method on random field modeling of geotechnical problems – a fast

Xi F. XU

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 107-113 doi: 10.1007/s11709-014-0268-4

Abstract: The Green-function-based multiscale stochastic finite element method (MSFEM) has been formulated basedsettlement shows that the procedure achieves significant computing efficiency compared with Monte Carlo method

Keywords： multiscale     finite element     settlement     perturbation     random field     geotechnical    

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3D finite element method (FEM) simulation of groundwater flow during backward erosion piping

Kristine VANDENBOER,Vera van BEEK,Adam BEZUIJEN

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 2,   Pages 160-166 doi: 10.1007/s11709-014-0257-7

Abstract: Backward erosion piping is an important failure mechanism for cohesive water retaining structures which are founded on a sandy aquifer. At present, the prediction models for safety assessment are often based on 2D assumptions. In this work, a 3D numerical approach of the groundwater flow leading to the erosion mechanism of backward erosion piping is presented and discussed. Comparison of the 2D and 3D numerical results explicitly demonstrates the inherent 3D nature of the piping phenomenon. In addition, the influence of the seepage length is investigated and discussed for both piping initiation and piping progression. The results clearly indicate the superiority of the presented 3D numerical model compared to the established 2D approach. Moreover, the 3D numerical results enable a better understanding of the complex physical mechanism involved in backward erosion piping and thus can lead to a significant improvement in the safety assessment of water retaining structures.

Keywords： backward erosion piping     groundwater flow     3D finite element method (FEM)    

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Application of semi-analytical finite element method to analyze the bearing capacity of asphalt pavements

Pengfei LIU, Dawei WANG, Frédéric OTTO, Markus OESER

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 2,   Pages 215-221 doi: 10.1007/s11709-017-0401-2

Abstract: evaluating the dynamic response of asphalt under moving loads and is based on a semi-analytic element methodIn this research project SAFEM is compared to commercial finite element software ABAQUS and field measurements

Keywords： semi-analytical finite element method     bearing capacity     asphalt pavements     moving loads     dynamic response    

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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: An ambient vibration test on a concrete bridge constructed in 1971 and calibration of its finite elementThen, these characteristics were used to update the finite element model of the bridge by formulating

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

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A new method of studying collapsibility of loess

Yuanqing ZHU , Zhenghan CHEN ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 305-311 doi: 10.1007/s11709-009-0040-3

Abstract: A pressure/volume-controlled equipment was combined with the triaxial system to measure the water volumeThe apparatus could measure volume change precisely and keep the deviator stress unvaried, as well asmeasure the volume of water filtrating into the samples exactly.

Keywords： triaxial apparatus for collapsible soils     controlled suction     pressure/volume controlled equipment     double    

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Multi-objective optimization in a finite time thermodynamic method for dish-Stirling by branch and boundmethod and MOPSO algorithm

Mohammad Reza NAZEMZADEGAN, Alibakhsh KASAEIAN, Somayeh TOGHYANI, Mohammad Hossein AHMADI, R. SAIDUR, Tingzhen MING

Frontiers in Energy 2020, Volume 14, Issue 3,   Pages 649-665 doi: 10.1007/s11708-018-0548-0

Abstract: One of those analyses is the finite time thermodynamic analysis by which the total power of the systemThe comparison of the results shows the benefits of MOPSO in optimizing dish Stirling finite time thermodynamic

Keywords： dish-Stirling     finite time model     branch and bound algorithm     multi-objective particle swarm optimization    

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Ribbed strip rolling by three-dimensional finite element method combining extremely thin array of elements

Zhengyi JIANG,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 52-60 doi: 10.1007/s11465-009-0087-9

Abstract: In this paper, a three-dimensional finite element modelling of the ribbed strip rolling is carried outThe formulation of the finite element modelling by adding a rib inclined contact surface boundary conditionis derived, and the performance of the proposed method is conducted.

Keywords： inclined contact boundary condition     ribbed strip     extremely thin elements     pulling down of rib height     finite    

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Analysis of spinal lumbar interbody fusion cage subsidence using Taguchi method, finite element analysis

Christopher John NASSAU, N. Scott LITOFSKY, Yuyi LIN

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 3,   Pages 247-255 doi: 10.1007/s11465-012-0335-2

Abstract: Three-dimensional finite element analysis (FEA) was performed to address the resistance to subsidence

Keywords： anterior lumbar interbody fusion (ALIF)     artificial neural network (ANN)     finite element     interbody cage     lumbar interbody fusion     subsidence     taguchi method    

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Title Author Date Type Operation

Two-scale modeling of granular materials: A FEM-FEM approach

Yun-Zhu CAI, Yu-Ching WU

Journal Article

A novel ensemble model for predicting the performance of a novel vertical slot fishway

Aydin SHISHEGARAN, Mohammad SHOKROLLAHI, Ali MIRNOROLLAHI, Arshia SHISHEGARAN, Mohammadreza MOHAMMAD KHANI

Journal Article

Two dimensional value simulation of shallow water equation

Xiang Bo,Mi Xiao,Ji Changming,Luo Qingsong

Journal Article

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

Gui-Rong Liu

Journal Article

Applying the spectral stochastic finite element method in multiple-random field RC structures

Abbas YAZDANI

Journal Article

Slope stability analysis based on a multigrid method using a nonlinear 3D finite element model

Yaoru LIU, Zhu HE, Bo LI, Qiang YANG

Journal Article

Special Column on Multiscale Stochastic Finite Element Method

Journal Article

Multiscale stochastic finite element method on random field modeling of geotechnical problems – a fast

Xi F. XU

Journal Article

3D finite element method (FEM) simulation of groundwater flow during backward erosion piping

Kristine VANDENBOER,Vera van BEEK,Adam BEZUIJEN

Journal Article

Application of semi-analytical finite element method to analyze the bearing capacity of asphalt pavements

Pengfei LIU, Dawei WANG, Frédéric OTTO, Markus OESER

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

A new method of studying collapsibility of loess

Yuanqing ZHU , Zhenghan CHEN ,

Journal Article

Multi-objective optimization in a finite time thermodynamic method for dish-Stirling by branch and boundmethod and MOPSO algorithm

Mohammad Reza NAZEMZADEGAN, Alibakhsh KASAEIAN, Somayeh TOGHYANI, Mohammad Hossein AHMADI, R. SAIDUR, Tingzhen MING

Journal Article

Ribbed strip rolling by three-dimensional finite element method combining extremely thin array of elements

Zhengyi JIANG,

Journal Article

Analysis of spinal lumbar interbody fusion cage subsidence using Taguchi method, finite element analysis

Christopher John NASSAU, N. Scott LITOFSKY, Yuyi LIN

Journal Article