Resource Type

Journal Article 390

Conference Videos 4

Conference Topics 1

Year

2023 23

2022 29

2021 17

2020 29

2019 23

2018 21

2017 24

2016 17

2015 19

2014 12

2013 13

2012 8

2011 14

2010 10

2009 9

2008 18

2007 26

2006 17

2005 14

2004 16

open ︾

Keywords

function 15

topology optimization 5

extension set 4

level set method 4

engineering 3

isogeometric analysis 3

rough set 3

1 2

Bent function 2

COVID-19 2

China 2

Multi-agent system 2

all set 2

crystallization 2

entropy 2

epigenetics 2

lung cancer 2

optimization 2

quality function deployment 2

open ︾

Search scope:

排序： Display mode:

Concurrent optimization of structural topology and infill properties with a CBF-based level set method

Long JIANG, Yang GUO, Shikui CHEN, Peng WEI, Na LEI, Xianfeng David GU

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 2,   Pages 171-189 doi: 10.1007/s11465-019-0530-5

Abstract: In this paper, a parametric level-set-based topology optimization framework is proposed to concurrentlyset function parameterization.This overcomes the intrinsic disadvantage of the conventional RBF-based parametric level set method,A variational distance regularization method is utilized in this research to regularize the level setfunction to be a desired distance-regularized shape.

Keywords： concurrent topology optimization     parametric level set method     cardinal basis function     shell-infill structure    

HTML PDF Collect

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: embedded into a regular background grid, and a model reconstruction method is proposed to obtain the levelset function of the approximate model, which can be directly used in IGA.

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

HTML PDF Collect

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.set band, to seamlessly combine LSM and density-based method to utilize their advantages.The 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    

HTML PDF Collect

XFEM schemes for level set based structural optimization

Li LI, Michael Yu WANG, Peng WEI

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 4,   Pages 335-356 doi: 10.1007/s11465-012-0351-2

Abstract:

In this paper, some elegant extended finite element method (XFEM) schemes for level set method structuralthe proposed XFEM is a promising structural analysis approach for structural optimization with the levelset method.

Keywords： structural optimization     level set method     extended finite element method (XFEM)     computational accuracy    

HTML PDF Collect

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    

HTML PDF Collect

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-uniformused for geometry representation, but also for IGA-based dynamic analysis and parameterization of the levelset surface, that is, the level set function.

Keywords： topology optimization     level set method     isogeometric analysis     eigenfrequency    

HTML PDF Collect

Conceptual design of compliant mechanisms using level set method

Shi-kui CHEN, Michael Yu WANG

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 2,   Pages 131-145 doi: 10.1007/s11465-006-0018-y

Abstract: We propose a level set method-based framework for the conceptual design of compliant mechanisms.The geometric shape of the compliant mechanism is represented as the zero level set of a one-higher dimensionallevel set function, and the dynamic variations of the shape are governed by the Hamilton-Jacobi partialThe application of level set methods endows the optimization process with the particular quality that

Keywords： splitting     minimum     dimensional optimization     Hamilton-Jacobi     topological    

HTML PDF Collect

A regularization scheme for explicit level-set XFEM topology optimization

Markus J. GEISS, Jorge L. BARRERA, Narasimha BODDETI, Kurt MAUTE

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 2,   Pages 153-170 doi: 10.1007/s11465-019-0533-2

Abstract: Regularization of the level-set (LS) field is a critical part of LS-based topology optimization (TO)

Keywords： level-set regularization     explicit level-sets     XFEM     CutFEM     topology optimization     heat method     signed distance    

HTML PDF Collect

A Method of Constructing Fuzzy Neural Network Based on Rough Set Theory

Huang Xianming,Yi Jikai

Strategic Study of CAE 2004, Volume 6, Issue 4,   Pages 44-50

Abstract:

A new method of constructing fuzzy neural network is presented and Rough set theory is applied toSince Rough set theory has strong numeric analyzing ability and fuzzy neural network has exact functionFirst, some rules are acquired from given data set by rough set theory.Also in this paper, an example of nonlinear function approaching is discussed and the feasibility of

Keywords： fuzzy neural network     rough set     acquire rule     function approaching    

HTML PDF Collect

Study on Incompatibility Problems SolvingBased on Extension Theory

Yang Chunyan

Strategic Study of CAE 2007, Volume 9, Issue 10,   Pages 36-39

Abstract:

Based on the study of single-characteristic incompatibility problem and the transformation of solving it,  the structure, judging methods and solving methods of multi-characteristic incompatibility problem are studied.  The transformation for solving incompatibility problem is called solution transformation.  Its applied value will be explained through its application in marketing.  This study will provide new tools for the intelligent disposal of contradiction problem.

Keywords： incompatibility problem     the function of compatible degree     solution transformation     extension set    

HTML PDF Collect

Maximum independent set in planning freight railway transportation

Gainanov Damir N., Mladenovic NENAD, Rasskazova V. A.

Frontiers of Engineering Management 2018, Volume 5, Issue 4,   Pages 499-506 doi: 10.15302/J-FEM-2018031

Abstract: We define a special conflict graph on the basis of a set of acceptable train routes.aims to solve the classical combinatorial optimization problem in relation to the maximum independent setThe level representation of the graph and its tree are introduced.these constructions, the lower and upper bounds for the number of vertices in the maximum independent set

Keywords： independent set     algorithm     planning of transportation     two-sided estimate    

HTML PDF Collect

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 anThe evaluation index system is separated into three levels (goal level, criteria level and index levelAn evaluation model of the SWRS based on set pair analysis theory is constructed, and an example of SWRSThe sustainable use of water resources in the region is determined to be at a relatively adequate level

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

HTML PDF Collect

Application of python-based Abaqus preprocess and postprocess technique in analysis of gearbox vibration and noise reduction

Guilian YI, Yunkang SUI, Jiazheng DU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 229-234 doi: 10.1007/s11465-011-0128-z

Abstract: The K-S function is adopted to process many points’ normal accelerations as the comprehensive indexof the vibration characteristics of the whole structure, and the vibration acceleration level is adopted

Keywords： Abaqus secondary development     Python language     vibration and noise reduction     K-S function     vibration accelerationlevel    

HTML PDF Collect

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

HTML PDF Collect

The research on structural damage identification using rough set and integrated neural network

Juelong LI, Hairui LI, Jianchun XING, Qiliang YANG

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 3,   Pages 305-310 doi: 10.1007/s11465-013-0259-5

Abstract: To efficiently solve this problem, a new damage identification method based on rough set and integratedIn brief, rough set was used to reduce attributes so as to decrease spatial dimensions of data and extract

Keywords： rough set     integrated neural network     damage identification     decision making fusion    

HTML PDF Collect

Title Author Date Type Operation

Concurrent optimization of structural topology and infill properties with a CBF-based level set method

Long JIANG, Yang GUO, Shikui CHEN, Peng WEI, Na LEI, Xianfeng David GU

Journal Article

Isogeometric analysis based on geometric reconstruction models

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

XFEM schemes for level set based structural optimization

Li LI, Michael Yu WANG, Peng WEI

Journal Article

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

Yingjun WANG,David J. BENSON

Journal Article

Level set-based isogeometric topology optimization for maximizing fundamental eigenfrequency

Manman XU, Shuting WANG, Xianda XIE

Journal Article

Conceptual design of compliant mechanisms using level set method

Shi-kui CHEN, Michael Yu WANG

Journal Article

A regularization scheme for explicit level-set XFEM topology optimization

Markus J. GEISS, Jorge L. BARRERA, Narasimha BODDETI, Kurt MAUTE

Journal Article

A Method of Constructing Fuzzy Neural Network Based on Rough Set Theory

Huang Xianming,Yi Jikai

Journal Article

Study on Incompatibility Problems SolvingBased on Extension Theory

Yang Chunyan

Journal Article

Maximum independent set in planning freight railway transportation

Gainanov Damir N., Mladenovic NENAD, Rasskazova V. A.

Journal Article

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

Chaoyang DU,Jingjie YU,Huaping ZHONG,Dandan WANG

Journal Article

Application of python-based Abaqus preprocess and postprocess technique in analysis of gearbox vibration and noise reduction

Guilian YI, Yunkang SUI, Jiazheng DU

Journal Article

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

Journal Article

The research on structural damage identification using rough set and integrated neural network

Juelong LI, Hairui LI, Jianchun XING, Qiliang YANG

Journal Article