Resource Type

Journal Article 1404

Year

2023 90

2022 107

2021 93

2020 106

2019 88

2018 63

2017 70

2016 57

2015 69

2014 63

2013 55

2012 56

2011 55

2010 65

2009 62

2008 48

2007 54

2006 44

2005 34

2004 24

open ︾

Keywords

finite element method 39

finite element analysis 29

finite element 19

numerical simulation 16

model 15

model test 15

mathematical model 14

kinetic model 10

Deep learning 9

different 9

China 8

artificial neural network 8

concrete 8

COVID-19 7

FEM 7

neural network 7

optimization 7

sensitivity analysis 7

simulation 7

open ︾

Search scope:

排序： Display mode:

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

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 systemcan be obtained by calculating the process time.three-objective, two-objective, and single-objective optimizations have been done on the dish-Stirling modelThe 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    

HTML PDF Collect

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: scale model for fatigue mechanism analysis and the extended finite element method (X-FEM) for fatigueThe proposed small time scale fatigue model does not require the cycle counting as those using the classicalfacilitates crack growth simulation without remeshing requirements ahead of the crack tip as in the classical finiteThe small time scale fatigue model is integrated into the numerical simulation algorithm for concurrentModel predictions are compared with available experimental observations for model validation.

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

HTML PDF Collect

Improved numerical method for time domain dynamic structure-foundation interaction analysis based onscaled boundary finite element method

DU Jianguo, LIN Gao

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 336-342 doi: 10.1007/s11709-008-0054-2

Abstract: Based on the reduced set of base function in scaled boundary finite element method (SBFEM), an improvedtime domain numerical approach for the dynamic structure-foundation interaction analysis was proposed

Keywords： structure-foundation interface     computational efficiency     different     suitable     numerical approach    

HTML PDF Collect

Research on structural health monitoring (SHM) system based on RTK GPS system

Wang Renpeng,Yao Lianbi,Meng Xiaolin

Strategic Study of CAE 2011, Volume 13, Issue 3,   Pages 63-70

Abstract: justify;">For the huge amount of raw data that were obtained during field data acquisition by the real-timethe state space model and ARMA model and spectrum estimations for the response.results of test that completed when the bridge was opened in 1990 and results that forecasted by fine finiteelement (FE) model.The research illustrated that the state-space model and ARMA model were efficient tools for evaluation

Keywords： RTK GPS system     time series     state-space model     ARMA model     finite element model    

HTML PDF Collect

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    

HTML PDF Collect

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     finite    

HTML PDF Collect

A time−space porosity computational model for concrete under sulfate attack

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0985-7

Abstract: This study proposes a mechanical–chemical model to simulate the spatiotemporal distribution of the porosityIn addition, the expansion strain at the macro-scale is obtained using a stress analysis model of compositeand cement hydration on the diffusion of sulfate ions, the expansion deformation and porosity space−timedistribution are obtained using the finite difference method.The results demonstrate that the expansion strains calculated using the suggested model agree well with

Keywords： deformation     porosity     internal expansion stress     external sulfate attack     mechanical–chemical coupling model    

HTML PDF Collect

Performance prediction of switched reluctance generator with time average and small signal models

Jyoti KOUJALAGI, B. UMAMAHESWARI, R. ARUMUGAM

Frontiers in Energy 2013, Volume 7, Issue 1,   Pages 56-68 doi: 10.1007/s11708-012-0216-8

Abstract: generator with time average and small signal models.The complete mathematical model is developed in three stages.First, a switching model is developed based on quasi-linear inductance profile.Next, based on the switching behaviour, a time average model is obtained to measure the difference betweenthe excitation and generation time in each switching cycle.

Keywords： generator     reluctance     switching model     small signal model     time average model    

HTML PDF Collect

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    

HTML PDF Collect

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    

HTML PDF Collect

A dynamic model of mobile concrete pump boom based on discrete time transfer matrix method

Wu REN, Yunxin WU, Zhaowei ZHANG

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 4,   Pages 360-366 doi: 10.1007/s11465-013-0280-8

Abstract: A dynamics model of a mobile concrete pump boom is established based on discrete time transfer matrixThe overall dynamic equation and transfer matrix of the model can be assembled by sub-structures A andThe displacement and rotation angle curves of the proposed method fit well with the ADAMS model.Besides it is convenient in modeling and saves time.So it is suitable for mobile concrete pump boom real-time monitoring and dynamic analysis.

Keywords： multi-body     mobile concrete pump boom     discrete time transfer matrix method (DTTMM)     kinematic     dynamic     tip    

HTML PDF Collect

A model reference adaptive control based method for actuator delay estimation in real-time testing

Cheng CHEN, James M. RICLES

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 277-286 doi: 10.1007/s11709-010-0072-8

Abstract: Real-time testing provides a viable experimental technique to evaluate the performance of structuralapply calculated displacements from an integration algorithm to the experimental structures in a real-timeHowever, these adaptive methods all require time duration for actuator delay adaptation.This paper presents a model reference adaptive control based method to identify the parameter of a simplifieddiscrete model for servo-hydraulic dynamics and the resulting compensation method.

Keywords： real-time testing     actuator delay     compensation     adaptive control     MIT rule     discrete transfer function    

HTML PDF Collect

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    

HTML PDF Collect

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    

HTML PDF Collect

General expression for linear and nonlinear time series models

Ren HUANG, Feiyun XU, Ruwen CHEN

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 15-24 doi: 10.1007/s11465-009-0015-z

Abstract: The typical time series models such as ARMA, AR, and MA are founded on the normality and stationarityThis paper proposes a general expression for linear and nonlinear auto-regressive time series modelsThe model simulation and experiments show that the GNAR model can accurately approximate to the dynamicThe modeling and prediction accuracy of the GNAR model is superior to the classical time series modelsThe proposed GNAR model is flexible and effective.

Keywords： linear and nonlinear     autoregressive model     system identification     time series analysis    

HTML PDF Collect

Title Author Date Type Operation

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

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

Journal Article

Concurrent fatigue crack growth simulation using extended finite element method

Zizi LU, Yongming LIU,

Journal Article

Improved numerical method for time domain dynamic structure-foundation interaction analysis based onscaled boundary finite element method

DU Jianguo, LIN Gao

Journal Article

Research on structural health monitoring (SHM) system based on RTK GPS system

Wang Renpeng,Yao Lianbi,Meng Xiaolin

Journal Article

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

Lezhi YE,Guangzhao YANG,Desheng LI

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 time−space porosity computational model for concrete under sulfate attack

Journal Article

Performance prediction of switched reluctance generator with time average and small signal models

Jyoti KOUJALAGI, B. UMAMAHESWARI, R. ARUMUGAM

Journal Article

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

WU Yuching, ZHU Cimian

Journal Article

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

HUANG Minshui, ZHU Hongping, LI Lin, GUO Wenzeng

Journal Article

A dynamic model of mobile concrete pump boom based on discrete time transfer matrix method

Wu REN, Yunxin WU, Zhaowei ZHANG

Journal Article

A model reference adaptive control based method for actuator delay estimation in real-time testing

Cheng CHEN, James M. RICLES

Journal Article

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

Peng ZHANG, Yourong LI, Han XIAO

Journal Article

Nonlinear finite element analysis of short-limbed wall

Zhi ZHANG, Qian GU, Shaomin PENG, Quanzhi CAI

Journal Article

General expression for linear and nonlinear time series models

Ren HUANG, Feiyun XU, Ruwen CHEN

Journal Article