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Analytical model and finite element computation of braking torque in electromagnetic retarder

Lezhi YE,Guangzhao YANG,Desheng LI

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 4, Pages 368-379 doi: 10.1007/s11465-014-0314-x

Abstract:

An analytical model has been developed for analyzing the braking torque in electromagnetic retarderair gap, the eddy current induced in the rotor and the braking torque are calculated by the developed modelTwo-dimensional and three-dimensional finite element models for retarder have also been developed.Results from the analytical model are compared with those from finite element models.

Keywords： electromagnetic retarder magnetic field distribution magnetic circuit finite element method

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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 elementmodel are presented.Then, these characteristics were used to update the finite element model of the bridge by formulatingtransverse; and these experimentally obtained dynamic characteristics were also achieved in the analytical modeloptimization techniques showed great versatility to optimize any number and type of variables in the model

Keywords： analysis parameter identification ambient vibration test Eigensystem Realization Algorithm (ERA) method finiteelement method

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Finite element analysis of controlled low strength materials

Vahid ALIZADEH

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5, Pages 1243-1250 doi: 10.1007/s11709-019-0553-3

Abstract: This paper describes the numerical modeling of CLSM fills with finite element method under compressionThe study was conducted using a plastic-damage model which captures the material behavior using bothThe capability of the finite element approach for the analysis of CLSM fills was assessed by a comparison

Keywords： CLSM finite element method compressive strength pullout numerical modeling plastic damage model

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Temperature control of transfer roller’s bearing based on finite element analysis

Peng ZHANG, Yourong LI, Han XIAO

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2, Pages 215-218 doi: 10.1007/s11465-009-0026-9

Abstract: First, a globe model of the transfer roller is built for finite element analysis.Second, the sub-model of the fixed end bearing is built and the boundary condition of the sub-model issupplied by the results of the globe model.The analysis result of the sub-model shows that the temperature of the transfer roller bearing exceedsWith finite element analysis, the heat flux is obtained and the minimum working jet capacity is derived

Keywords： transfer roller bearing finite element analysis sub-model temperature control

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Nonlinear finite element analysis of short-limbed wall

Zhi ZHANG, Qian GU, Shaomin PENG, Quanzhi CAI

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2, Pages 125-130 doi: 10.1007/s11709-009-0025-2

Abstract: Combined with the actual project, this paper carries out a nonlinear finite element analysis on 2 groups, 6 short-limbed shear walls, through the finite element calculation software ANSYS.

Keywords： short-limbed wall (SLW) nonlinear finite element separate model axial compression ratios

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Iterative finite element model of nonlinear viscoplastic analyses for blended granular porous media

WU Yuching, ZHU Cimian

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 4, Pages 464-473 doi: 10.1007/s11709-007-0063-6

Abstract: The iterative finite element model, in which an element is used to represent a single particle, is generated

Keywords： nonlinear viscoplastic iterative behavior multiple-material

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Dynamic test and finite element model updating of bridge structures based on ambient vibration

HUANG Minshui, ZHU Hongping, LI Lin, GUO Wenzeng

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 2, Pages 139-144 doi: 10.1007/s11709-008-0028-4

Abstract: In this paper, a three-dimensional finite-element model is first established for a highway bridge overBased on design drawings, the dynamic characteristics of the bridge are studied using finite elementThus, a set of data is selected based on sensitivity analysis and optimization theory; the finite elementmodel of the bridge is updated.element model can reflect the dynamic characteristics of the bridge better, and it can be used to predict

Keywords： numerical effective Highway vibration complex external

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Concurrent fatigue crack growth simulation using extended finite element method

Zizi LU, Yongming LIU,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3, Pages 339-347 doi: 10.1007/s11709-010-0078-2

Abstract: concurrent simulation framework for fatigue crack growth analysis is proposed using a novel small time scale modelfor fatigue mechanism analysis and the extended finite element method (X-FEM) for fatigue crack growthfacilitates crack growth simulation without remeshing requirements ahead of the crack tip as in the classical finiteelement method.Model predictions are compared with available experimental observations for model validation.

Keywords： small time scale model extended finite element method (X-FEM) crack growth multiaxial

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Dynamic failure analysis of concrete dams under air blast using coupled Euler-Lagrange finite element

Farhoud KALATEH

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1, Pages 15-37 doi: 10.1007/s11709-018-0465-7

Abstract: The finite element (FE) developed code are used to build three-dimensional (3D) finite element modelsA previous developed model including the strain rate effects is employed to model the concrete materialIn addition, a one-fluid cavitating model is employed for the simulation of acoustic cavitation in the

Keywords： air blast loading concrete dams finite element dam-reservoir interaction cavitation concrete damage model

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3D finite element analysis of composite noise barrier constructed of polyurethane products

Ben DAEE,Hesham El NAGGAR

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 1, Pages 100-110 doi: 10.1007/s11709-016-0364-8

Abstract: The experimental results are used in the current study to develop, calibrate and verify 3D finite element

Keywords： 3D finite element sound wall rigid polyurethane foam poly-wall numerical model calibration

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Finite element analysis on the seismic behavior of side joint of Prefabricated Cage System in prefabricated

Yunlin LIU, Shitao ZHU

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5, Pages 1095-1104 doi: 10.1007/s11709-019-0538-2

Abstract: This paper presents a finite element study on behavior of the side joint under seismic loading.In the finite element model, PCS concrete and the reinforced concrete (RC) is modeled by the solid elementThe numerical results is compared with the experimental results and it is found that the results of modelbased on fiber-beam element is in better agreement with the experimental results than solid elementmodel.

Keywords： PCS concrete side joint numerical simulation fiber-beam element joint model solid element joint model

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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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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).Most importantly, one can now purposely design an S-FEM model to obtain solutions with special propertiesThis novel concept of numerical model on-demand may drastically change the landscape of modeling and

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

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New analysis model for rotor-bearing systems based on plate theory

Zhinan ZHANG, Mingdong ZHOU, Weimin DING, Huifang MA

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 4, Pages 461-473 doi: 10.1007/s11465-019-0525-2

Abstract: The purpose of this work is to develop a new analysis model for angular-contact, ball-bearing systemsThe model is developed using theoretical and inductive methods and validated through a numerical simulationwith the finite element method.The new analysis model is suitable for static and modal analyses of rotor-bearing systems.

Keywords： rotor-bearing system rolling element bearing plate theory finite element analysis

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Thermal buckling behavior of laminated composite plates: a finite-element study

Houdayfa OUNIS,Abdelouahab TATI,Adel BENCHABANE

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 1, Pages 41-49 doi: 10.1007/s11465-014-0284-z

Abstract: A finite element of four nodes and 32 degrees of freedom (DOF), previously developed for the bendingBased upon the classical plate theory, the present finite element is a combination of a linear isoparametricmembrane element and a high precision rectangular Hermitian element.The numerical implementation of the present finite element allowed the comparison of the numerical obtainedresults with results obtained from the literature: 1) with element of the same order, 2) the first order

Keywords： thermal buckling laminated composite plates anisotropy critical buckling temperature finite-element method high precision rectangular Hermitian element