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A MATLAB code for the material-field series-expansion topology optimization method

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 607-622 doi: 10.1007/s11465-021-0637-3

Abstract: This paper presents a MATLAB implementation of the material-field series-expansion (MFSE) topo-logy optimizationThe MFSE method uses a bounded material field with specified spatial correlation to represent the structuralWith the series-expansion method for bounded fields, this material field is described with the characteristic

Keywords： MATLAB implementation     topology optimization     material-field series-expansion method     bounded materialfield     dimensionality reduction    

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Achieving desired nodal lines in freely vibrating structures via material-field series-expansion topology

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0758-y

Abstract: In this study, an effective material-field series-expansion (MFSE)-based topology optimization design

Keywords： nodal line     topology optimization     structural dynamics design     material-field series-expansion    

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Vectorial Eigenmode Analysis of Optical Waveguides Based on the Variable Transformed Series Expansion

Xiao Jinbiao,Sun Xiaohan,Zhang Mingde,Ding Dong

Strategic Study of CAE 2001, Volume 3, Issue 11,   Pages 49-53

Abstract: supported by the buried rectangular and rib optical waveguides are obtained using variable transformed seriesexpansion method.

Keywords： variable transformed series expansion method     optical waveguides     vectorial eigenmode analysis    

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Modelling autogenous expansion for magnesia concrete in arch dams

JIN Feng, LUO Xiaoqing, ZHANG Chuhan, ZHANG Guoxin

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 3,   Pages 211-218 doi: 10.1007/s11709-008-0025-7

Abstract: To evaluate the effects of autogenous expansion on the stresses of arch dams, a simple model of autogenousexpansion for Magnesia Concrete in dam engineering is presented.This model is based on three assumptions: 1) the total amount of autogenous expansion of Magnesia Concreteis related only to the properties of materials and mixing of concrete; 2) the autogenous expansion ofThe model is verified by some experimental data of autogenous expansion of Magnesia Concrete and field-measured

Keywords： field-measured     irreversibility     temperature     irreversible     element arch    

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Robust topology optimization of hinge-free compliant mechanisms with material uncertainties based ona non-probabilistic field model

Junjie ZHAN, Yangjun LUO

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 2,   Pages 201-212 doi: 10.1007/s11465-019-0529-y

Abstract: new robust topology optimization framework for hinge-free compliant mechanisms with spatially varying materialuncertainties, which are described using a non-probabilistic bounded field model.Bounded field uncertainties are efficiently represented by a reduced set of uncertain-but-bounded coefficientson the basis of the series expansion method.minimize the variation in output displacement under constraints of the mean displacement and predefined material

Keywords： compliant mechanisms     robust topology optimization     hinges     uncertainty     bounded field    

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Experimental study and field application of calcium sulfoaluminate cement for rapid repair of concrete

Yanhua GUAN, Ying GAO, Renjuan SUN, Moon C. WON, Zhi GE

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 338-345 doi: 10.1007/s11709-017-0411-0

Abstract: properties of Type III and CSA cement concrete, including compressive strength, coefficient of thermal expansionBased on the laboratory results, the CSA cement was selected as the partial-depth rapid repair material

Keywords： Calcium Sulfoaluminate (CSA) cement     Type III cement     coefficient of thermal expansion (CTE)     shrinkage    

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Energy field-assisted high-speed dry milling green machining technology for difficult-to-machine metal

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0744-9

Abstract: Energy field-assisted machining technology has the potential to overcome the limitations of machiningThe introduction of advanced energy-field-assisted green processing technology can improve the machinabilityThe laser energy field, ultrasonic energy field, and cryogenic minimum quantity lubrication energy fieldsBy analyzing the effects of changing the energy field and cutting parameters on tool wear, chip morphologyFinally, the shortcomings and technical challenges of energy-field-assisted milling are summarized in

Keywords： difficult-to-machine metal material     green machining     high-speed dry milling     laser energy field-assistedmilling     ultrasonic energy field-assisted milling     cryogenic minimum quantity lubrication energy field-assisted    

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Stress field near circular-arc interface crack tip based on electric saturation concept

Longchao DAI, Xinwei WANG

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3,   Pages 320-325 doi: 10.1007/s11465-009-0042-9

Abstract: between a circular piezoelectric inhomogeneity and an infinite piezoelectric matrix subjected to a far-field

Keywords： piezoelectric material     arc crack     strip saturation     stress intensity factor    

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Analyzing construction safety through time series methods

Houchen CAO, Yang Miang GOH

Frontiers of Engineering Management 2019, Volume 6, Issue 2,   Pages 262-274 doi: 10.1007/s42524-019-0015-6

Abstract: Various time series (TS) methods were adopted for identifying the leading indicators or predictors of

Keywords： time series     temporal     construction safety     leading indicators     accident prevention     forecasting    

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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 modeling and prediction accuracy of the GNAR model is superior to the classical time series models

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

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Status and challenges for oil and gas field development in China and directions for the development of

Han Dakuang

Strategic Study of CAE 2010, Volume 12, Issue 5,   Pages 51-57

Abstract:

The paper reviews the glorious course of the oil and gas field developmentsummarizes the geologic characteristics, main types of reservoirs and the corresponding technology seriesAlso, the paper reveals great challenges that the oil and gas field development faces in recent years

Keywords： oil and gas field development in China     technology series     high-water-cut oilfields     low-permeability    

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Decreasing complexity of glucose time series derived from continuous glucose monitoring is correlated

Frontiers of Medicine 2023, Volume 17, Issue 1,   Pages 68-74 doi: 10.1007/s11684-022-0955-9

Abstract: By calculating the complexity of glucose time series index (CGI) with refined composite multi-scale entropyanalysis of the CGM data, the study showed for the first time that the complexity of glucose time series

Keywords： complexity of glucose time series     continuous glucose monitoring     impaired glucose regulation     insulin    

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Assessment of bridge expansion joints using long-term displacement measurement under changing environmental

Youliang DING, Aiqun LI

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 374-380 doi: 10.1007/s11709-011-0122-x

Abstract: This paper addresses the problem of condition assessment of bridge expansion joints using long-term measurementThe effects of temperature, traffic loading and wind on the expansion joint displacements are analyzedStatistical process control using mean value control charts is further used to detect damage to the bridge expansionhad a good capability for detecting the damage-induced 1.0% variances of the annual changes in the expansion

Keywords： structural health monitoring     displacement     expansion joint     temperature effect     wind effect     traffic loading    

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An approach for evaluating the impact of an intermittent renewable energy source on transmission expansion

Rongrit CHATTHAWORN,Surachai CHAITUSANEY

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 10,   Pages 871-882 doi: 10.1631/FITEE.1500049

Abstract: optimization approach to evaluate the impact of an intermittent renewable energy source on transmission expansionscenarios representing the intermittent renewable energy generation and loads is proposed to obtain robust expansionMoreover, the impact of an intermittent renewable energy source on TEP was evaluated by comparing expansion

Keywords： Adaptive tabu search     Renewable energy generation     Robust optimization     Transmission expansion planning    

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Time-series prediction based on global fuzzy measure in social networks

Li-ming YANG,Wei ZHANG,Yun-fang CHEN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 10,   Pages 805-816 doi: 10.1631/FITEE.1500025

Abstract: Social network analysis (SNA) is among the hottest topics of current research. Most measurements of SNA methods are certainty oriented, while in reality, the uncertainties in relationships are widely spread to be overridden. In this paper, fuzzy concept is introduced to model the uncertainty, and a similarity metric is used to build a fuzzy relation model among individuals in the social network. The traditional social network is transformed into a fuzzy network by replacing the traditional relations with fuzzy relation and calculating the global fuzzy measure such as network density and centralization. Finally, the trend of fuzzy network evolution is analyzed and predicted with a fuzzy Markov chain. Experimental results demonstrate that the fuzzy network has more superiority than the traditional network in describing the network evolution process.

Keywords： Time-series network     Fuzzy network     Fuzzy Markov chain    

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Title Author Date Type Operation

A MATLAB code for the material-field series-expansion topology optimization method

Journal Article

Achieving desired nodal lines in freely vibrating structures via material-field series-expansion topology

Journal Article

Vectorial Eigenmode Analysis of Optical Waveguides Based on the Variable Transformed Series Expansion

Xiao Jinbiao,Sun Xiaohan,Zhang Mingde,Ding Dong

Journal Article

Modelling autogenous expansion for magnesia concrete in arch dams

JIN Feng, LUO Xiaoqing, ZHANG Chuhan, ZHANG Guoxin

Journal Article

Robust topology optimization of hinge-free compliant mechanisms with material uncertainties based ona non-probabilistic field model

Junjie ZHAN, Yangjun LUO

Journal Article

Experimental study and field application of calcium sulfoaluminate cement for rapid repair of concrete

Yanhua GUAN, Ying GAO, Renjuan SUN, Moon C. WON, Zhi GE

Journal Article

Energy field-assisted high-speed dry milling green machining technology for difficult-to-machine metal

Journal Article

Stress field near circular-arc interface crack tip based on electric saturation concept

Longchao DAI, Xinwei WANG

Journal Article

Analyzing construction safety through time series methods

Houchen CAO, Yang Miang GOH

Journal Article

General expression for linear and nonlinear time series models

Ren HUANG, Feiyun XU, Ruwen CHEN

Journal Article

Status and challenges for oil and gas field development in China and directions for the development of

Han Dakuang

Journal Article

Decreasing complexity of glucose time series derived from continuous glucose monitoring is correlated

Journal Article

Assessment of bridge expansion joints using long-term displacement measurement under changing environmental

Youliang DING, Aiqun LI

Journal Article

An approach for evaluating the impact of an intermittent renewable energy source on transmission expansion

Rongrit CHATTHAWORN,Surachai CHAITUSANEY

Journal Article

Time-series prediction based on global fuzzy measure in social networks

Li-ming YANG,Wei ZHANG,Yun-fang CHEN

Journal Article