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Operating mechanism and set pair analysis model of a sustainable water resources system

Chaoyang DU,Jingjie YU,Huaping ZHONG,Dandan WANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 288-297 doi: 10.1007/s11783-014-0642-4

Abstract: The study introduces a new approach, set pair analysis theory, to measure the state of a SWRS, and anAn evaluation model of the SWRS based on set pair analysis theory is constructed, and an example of SWRS

Keywords: sustainable water resources system     operating mechanism     set pair analysis model     Shanghai    

Multi-scale evaluation of river health in Liao River Basin, China

Fei XU, Yanwei ZHAO, Zhifeng YANG, Yuan ZHANG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 227-235 doi: 10.1007/s11783-010-0219-9

Abstract: Set pair analysis was applied to integrate the multi-scale indicators and determine the health classes

Keywords: multi-scale characterization     river health evaluation     Liao River Basin     set pair analysis    

An enhanced environmental multimedia modeling system based on fuzzy-set approach: II.Model validation and application

Rongrong ZHANG,Chesheng ZHAN,Xiaomeng SONG,Baolin LIU

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 6,   Pages 1025-1035 doi: 10.1007/s11783-014-0655-z

Abstract: I of this study develops an enhanced environmental multimedia modeling system (EMMS) based on fuzzy-setOnce the model development is complete, the composite module and the entire modeling system need to betested and validated to ensure that the model can simulate natural phenomena with reasonable and reliableIn addition, with the aid of fuzzy-set approach, EMMS can be a reliable and powerful tool to address

Keywords: environmental multimedia modelling system     fuzzy-set approach     application     model validation     uncertaintyanalysis    

Isogeometric analysis based on geometric reconstruction models

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 782-797 doi: 10.1007/s11465-021-0648-0

Abstract: In isogeometric analysis (IGA), the boundary representation of computer-aided design (CAD) and the tensor-productnon-uniform rational B-spline structure make the analysis of three-dimensional (3D) problems with irregularIn this paper, an IGA method for complex models is presented by reconstructing analysis-suitable modelsgrid, and a model reconstruction method is proposed to obtain the level set function of the approximatemodel, which can be directly used in IGA.

Keywords: isogeometric analysis     reconstruction model     level set function     trimmed element     point cloud    

Regional wind power forecasting model with NWP grid data optimized

Zhao WANG, Weisheng WANG, Bo WANG

Frontiers in Energy 2017, Volume 11, Issue 2,   Pages 175-183 doi: 10.1007/s11708-017-0471-9

Abstract: In this paper, two kinds of feature set construction methods are proposed which can achieve the properfeature set either by selecting the subsets or by transforming the original variables with specificminimal-redundancy-maximal-relevance (mRMR), while the latter does so based on the method of principal component analysisA locally weighted learning method is also proposed to utilize the processed feature set to produce theThe proposed model is simple and easy to use with parameters optimized automatically.

Keywords: regional wind power forecasting     feature set     minimal-redundancy-maximal-relevance (mRMR)     principal componentanalysis (PCA)     locally weighted learning model    

An enhanced environmental multimedia modeling system based on fuzzy-set approach: I.Theoretical framework and model development

Chesheng ZHAN,Rongrong ZHANG,Xiaomeng SONG,Baolin LIU

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 3,   Pages 494-505 doi: 10.1007/s11783-013-0609-x

Abstract: In this study, a new user-friendly fuzzy-set enhanced environmental multimedia modeling system (FEEMMSEMMs have been achieved through dynamically quantifying the intermedia mass flux; incorporating fuzzy-set

Keywords: environmental multimedia modelling     fuzzy-set approach     theoretical framework     environmental protection    

Level set-based isogeometric topology optimization for maximizing fundamental eigenfrequency

Manman XU, Shuting WANG, Xianda XIE

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 2,   Pages 222-234 doi: 10.1007/s11465-019-0534-1

Abstract: In this study, we develop an isogeometric analysis (IGA)-based level set model for the formulation andThe proposed method is based on a combination of level set method and IGA technique, which uses the non-uniformrational B-spline (NURBS), description of geometry, to perform analysis.The same NURBS is used for geometry representation, but also for IGA-based dynamic analysis and parameterizationof the level set surface, that is, the level set function.

Keywords: topology optimization     level set method     isogeometric analysis     eigenfrequency    

Characteristics of plankton Hg bioaccumulations based on a global data set and the implications for aquatic

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 3, doi: 10.1007/s11783-021-1471-x

Abstract:

• Hg bioaccumulation by phytoplankton varies among aquatic ecosystems.

Keywords: Plankton     Hg bioaccumulation     Physiological characteristics     A cross-system analysis     Nutrient compositions     Global data set    

Application of random set method in a deep excavation: based on a case study in Tehran cemented alluvium

Arash SEKHAVATIAN, Asskar Janalizadeh CHOOBBASTI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 66-80 doi: 10.1007/s11709-018-0461-y

Abstract: excavation in layers of cemented coarse grained soil located in Tehran, Iran by non-deterministic Random Setsimulations simultaneously, without cumbersome procedure of changing input variables in every individual analysisMoreover, a methodology for assessing the credibility of the uncertainty model is presented using a qualityIt was concluded that performing RS analysis before the beginning of every stage could cause great economical

Keywords: uncertainty     reliability analysis     deep excavations     random set method     finite difference method    

Geometrically constrained isogeometric parameterized level-set based topology optimization via trimmed

Yingjun WANG,David J. BENSON

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 4,   Pages 328-343 doi: 10.1007/s11465-016-0403-0

Abstract: The isogeometric parameterized level-set-based TO method, which directly uses the non-uniform rationalbasis splines (NURBS) for both level set function (LSF) parameterization and objective function calculation

Keywords: isogeometric analysis     topology optimization     level set method     arbitrary geometric constraint     trimmed element    

Reliability assessment of three-dimensional bearing capacity of shallow foundation using fuzzy set theory

Rajarshi PRAMANIK, Dilip Kumar BAIDYA, Nirjhar DHANG

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 478-489 doi: 10.1007/s11709-021-0698-8

Abstract: reliability theory on surface square/rectangular footing against bearing capacity failure using fuzzy setof failure is investigated, and the necessity for considering spatial variability in the reliability analysis

Keywords: finite element method     square footing     reliability analysis     fuzzy set theory     coefficient of variation     spatial    

Sensitivity analysis of torsional vibration behavior of the shafting of a turbo generator set to changes

XIE Danmei, ZHANG Hengliang, DONG Chuan, LIU Zhanhui, YANG Changzhu

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 483-486 doi: 10.1007/s11708-007-0072-4

Abstract: Aiming at a 300 MW turbo-generator model, the sensitivity of natural torsional frequencies and modes

Keywords: Calculation     MW turbo-generator     sensitivity     stiffness    

Adaptive robust beamformer formulti-pair two-way relay networks with imperfect channel state information

Jin WANG,Feng SHU,Ri-qing CHEN,Yu-di CUI,Yu CHEN,Jun LI

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 3,   Pages 265-280 doi: 10.1631/FITEE.1500134

Abstract: In wideband multi-pair two-way relay networks, the performance of beamforming at a relay station (RS)The coefficient of the Gaussian-Markov CSI error model is modeled as a function of CSI delay, DopplerIn accordance with the real-time estimated coefficients of the error model, an adaptive robust maximumFrom simulation results and analysis, it is shown that: compared to existing non-adaptive beamformers

Keywords: Multi-pair two-way relay     Adaptive robust beamformer     Channel state information (CSI)     Maximum signal-to-interference-and-noise    

Fast determination of tobramycin by reversed-phase ion-pair high performance liquid chromatography with

Liang ZHU, Jingkang WANG

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 3,   Pages 322-328 doi: 10.1007/s11705-013-1348-z

Abstract: A simple and direct method without a derivation step for routine analysis of tobramycin has been developedThis method used reversed-phase ion-pair high performance liquid chromatography (HPLC) with a refractive

Keywords: tobramycin     aminoglycoside     refractive index detector     high-performance liquid chromatography     ion-pairing    

Level set band method: A combination of density-based and level set methods for the topology optimization

Peng WEI, Wenwen WANG, Yang YANG, Michael Yu WANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 3,   Pages 390-405 doi: 10.1007/s11465-020-0588-0

Abstract: The level set method (LSM), which is transplanted from the computer graphics field, has been successfullyIn this study, a level set band method is proposed to overcome this drawback in handling topology changesin the level set framework.the continuity of objective and constraint functions by incorporating one parameter, namely, level setThe proposed method demonstrates a flexible topology change by applying a certain size of the level set

Keywords: level set method     topology optimization     density-based method     level set band    

Title Author Date Type Operation

Operating mechanism and set pair analysis model of a sustainable water resources system

Chaoyang DU,Jingjie YU,Huaping ZHONG,Dandan WANG

Journal Article

Multi-scale evaluation of river health in Liao River Basin, China

Fei XU, Yanwei ZHAO, Zhifeng YANG, Yuan ZHANG

Journal Article

An enhanced environmental multimedia modeling system based on fuzzy-set approach: II.Model validation and application

Rongrong ZHANG,Chesheng ZHAN,Xiaomeng SONG,Baolin LIU

Journal Article

Isogeometric analysis based on geometric reconstruction models

Journal Article

Regional wind power forecasting model with NWP grid data optimized

Zhao WANG, Weisheng WANG, Bo WANG

Journal Article

An enhanced environmental multimedia modeling system based on fuzzy-set approach: I.Theoretical framework and model development

Chesheng ZHAN,Rongrong ZHANG,Xiaomeng SONG,Baolin LIU

Journal Article

Level set-based isogeometric topology optimization for maximizing fundamental eigenfrequency

Manman XU, Shuting WANG, Xianda XIE

Journal Article

Characteristics of plankton Hg bioaccumulations based on a global data set and the implications for aquatic

Journal Article

Application of random set method in a deep excavation: based on a case study in Tehran cemented alluvium

Arash SEKHAVATIAN, Asskar Janalizadeh CHOOBBASTI

Journal Article

Geometrically constrained isogeometric parameterized level-set based topology optimization via trimmed

Yingjun WANG,David J. BENSON

Journal Article

Reliability assessment of three-dimensional bearing capacity of shallow foundation using fuzzy set theory

Rajarshi PRAMANIK, Dilip Kumar BAIDYA, Nirjhar DHANG

Journal Article

Sensitivity analysis of torsional vibration behavior of the shafting of a turbo generator set to changes

XIE Danmei, ZHANG Hengliang, DONG Chuan, LIU Zhanhui, YANG Changzhu

Journal Article

Adaptive robust beamformer formulti-pair two-way relay networks with imperfect channel state information

Jin WANG,Feng SHU,Ri-qing CHEN,Yu-di CUI,Yu CHEN,Jun LI

Journal Article

Fast determination of tobramycin by reversed-phase ion-pair high performance liquid chromatography with

Liang ZHU, Jingkang WANG

Journal Article

Level set band method: A combination of density-based and level set methods for the topology optimization

Peng WEI, Wenwen WANG, Yang YANG, Michael Yu WANG

Journal Article