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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 successfullyintroduced into the structural topology optimization field for about two decades, but it still has notIn this study, a level set band method is proposed to overcome this drawback in handling topology changesThe proposed method demonstrates a flexible topology change by applying a certain size of the level setThe method is easy to implement for improving existing LSMs and does not require the introduction of

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

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Solving topology optimization problems by the Guide-Weight method

Xinjun LIU, Zhidong LI, Liping WANG, Jinsong WANG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 1,   Pages 136-150 doi: 10.1007/s11465-010-0126-6

Abstract:

Finding a good solution method for topology optimization problems is always paid attention to by theGuide-Weight method, proposed first by Chen in 1980s, was effectively and successfully used in antennastructures’ optimization.When the Guide-Weight method is applied into topology optimization, it works very well with unified andtopology optimization solved by the Guide-Weight method combining with SIMP method are presented; subsequently

Keywords： Guide-Weight method     topology optimization     SIMP method    

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Explicit optimization method for cutting-screw-thread on the basis of dual-RSM

Zhengbao LEI, Shubin WEI, Qingyun DU

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 423-430 doi: 10.1007/s11465-010-0109-7

Abstract: Second, the peak acceleration function of each parameter by using response surface method (RSM) is obtainedA dual RSM-based explicit method is proposed.This method can satisfy the demand for engineering accuracy.

Keywords： vehicle engineering     crash     safety     explicit method     response surface method    

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Design and optimization of reactive distillation: a review

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 799-818 doi: 10.1007/s11705-021-2128-9

Abstract: To overcome this problem, the design and optimization of reactive distillation have been widely studiedThese design and optimization methods of the reactive distillation process are classified into threecategories: graphical, optimization-based, and evolutionary/heuristic methods.Desired and output information, advantages and limitations of each method are stated, the modificationPerspectives on future research on the design and optimization of reactive distillation method are proposed

Keywords： reactive distillation     process intensification     design method     reactive phase diagram     optimization algorithm    

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Function-oriented optimization design method for underactuated tendon-driven humanoid prosthetic hand

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0696-0

Abstract: In this study, a function-oriented optimization design (FOD) method is proposed for the design of a tendon-drivenAn optimization function of different functional conditions of full-phalanx contact, total contact force, demonstrating that the kinetostatic model of the prosthetic finger is effective and makes the FOD methodThis study suggests that the FOD method enables the systematic evaluation of grasping performance for

Keywords： function-oriented     tendon driven     prosthetic hand     optimization     humanoid     underactuated    

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A naive optimization method for multi-line systems with alternative machines

Weichang KONG, Fei QIAO, Qidi WU

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 4,   Pages 377-392 doi: 10.1007/s11465-019-0544-z

Abstract: The scheduling of parallel machines and the optimization of multi-line systems are two hotspots in theA naive optimization method is proposed in accordance with classic feedback control theory, and its keyWhen a reasonable target value is provided, the proposed method can realize closed-loop optimizationResults show that the proposed method can effectively and efficiently optimize various objective performanceThe method demonstrates a potential for utilization in multi-objective optimization.

Keywords： multi-line systems     alternative machines     feedback control     closed-loop optimization    

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Independent continuous and mapping method of structural topology optimization based on the global stress

Yunkang SUI, Jili FENG, Hongling YE, Xirong PENG,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2,   Pages 130-142 doi: 10.1007/s11465-010-0011-3

Abstract: There are three difficulties in topology optimization of continuum structures. 1) The topology underTo overcome difficulties above, four measures are adopted. 1) Topology optimization model is establishedby independent continuous mapping (ICM) method. 2) Based on the von Mises strength theory, all elementsdivided to classify into three cases. 4) A strategy based on strain energy is proposed to adopt ICM methodfor local stresses constraints, and the problem of load illness can be solved well by the weighting method

Keywords： independent continuous mapping (ICM) method     global stresses constraints     topology optimization     continuum    

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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 optimizationmethod.Compared with the conventional density-based method, the MFSE method decouples the topological descriptionoptimization problems solved with a gradient-based optimizer as examples.MFSE topology optimization method with non-gradient optimization algorithms without sensitivity information

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

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Border-search and jump reduction method for size optimization of spatial truss structures

Babak DIZANGIAN, Mohammad Reza GHASEMI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 123-134 doi: 10.1007/s11709-018-0478-2

Abstract: This paper proposes a sensitivity-based border-search and jump reduction method for optimum design ofIt is considered as a two-phase optimization approach, where at the first phase, the first local optimumSensitivity analysis is performed using numerical finite difference method.Spatial truss problems were attempted for optimization in order to show the fastness and efficiency ofIt shows that the proposed method is competitive with the other optimization methods with a significant

Keywords： optimum design     sensitivity analysis     reduction method     spatial trusses     OpenSees    

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A carbon efficiency upgrading method for mechanical machining based on scheduling optimization strategy

Shuo ZHU, Hua ZHANG, Zhigang JIANG, Bernard HON

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2,   Pages 338-350 doi: 10.1007/s11465-019-0572-8

Abstract: In this paper, a two-stage low-carbon scheduling optimization method of job shop is presented as partIn the first stage, a task assignment optimization model is proposed to optimize carbon emissions withoutIn the second stage, a processing route optimization model is established to plan the processing sequenceon the fabrication of four typical parts of a machine tool is demonstrated to validate the proposed method

Keywords： Low-carbon manufacturing     carbon efficiency     multi-objective optimization     two-stage scheduling     job shop    

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

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: In addition to the four-objective optimization, three-objective, two-objective, and single-objectiveThe algorithm of multi-objective particle swarm optimization (MOPSO) with post-expression of preferences

Keywords： dish-Stirling     finite time model     branch and bound algorithm     multi-objective particle swarm optimization    

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An ANN-exhaustive-listing method for optimization of multiple building shapes and envelope properties

Yaolin LIN, Wei YANG

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 550-563 doi: 10.1007/s11708-019-0607-1

Abstract: comfort of building occupants has not been considered in maximizing thermal performance in building shape optimizationThis paper attempts to develop an innovative ANN (artificial neural network)-exhaustive-listing methodAfter verified, the developed method is applied to four different building shapes in five different climateThe merit of the developed method is that it can rapidly reach the optimal solutions for most types of

Keywords： ANN (artificial neural network)     exhaustive-listing     building shape     optimization     thermal load     thermal comfort    

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Efficient, high-resolution topology optimization method based on convolutional neural networks

Liang XUE, Jie LIU, Guilin WEN, Hongxin WANG

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 1,   Pages 80-96 doi: 10.1007/s11465-020-0614-2

Abstract: Topology optimization is a pioneer design method that can provide various candidates with high mechanicalIn this study, an efficient, high-resolution topology optimization method is developed based on the super-resolutionA combined treatment method that uses 2D SRCNN is built as another speed-up strategy to reduce the highcomputational cost and memory requirements for 3D topology optimization problems.Typical examples show that the high-resolution topology optimization method using SRCNN demonstrates

Keywords： topology optimization     convolutional neural network     high resolution     density-based    

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Application of coupled multi-body dynamics–discrete element method for optimization of particle damper

Danhui DAN, Qianqing WANG, Jiongxin GONG

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 244-252 doi: 10.1007/s11709-021-0696-x

Abstract: In this paper, a coupled multi-body dynamics–discrete element method is proposed to simulate the dampingThe analyses are done by combining the discrete element method in EDEM and multi-body dynamics in ADAMS

Keywords： granular material     vibration control     discrete element method     particle damper     cable vibration    

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Damage identification in connections of moment frames using time domain responses and an optimizationmethod

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 851-866 doi: 10.1007/s11709-021-0739-3

Abstract: In this study, an optimization-based method for joint damage identification of moment frames using theThen, the problem of joint damage identification is converted to a standard optimization problem.The optimization problem is solved by an improved differential evolution algorithm (IDEA) for identifyingThen, a comparison between the proposed method and the existing damage identification method is providedThe outcomes reveal the high efficiency of the proposed method for finding the severity and location

Keywords： damage identification     beam-to-column connection     time-domain response     optimization    

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Title Author Date Type Operation

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

Solving topology optimization problems by the Guide-Weight method

Xinjun LIU, Zhidong LI, Liping WANG, Jinsong WANG

Journal Article

Explicit optimization method for cutting-screw-thread on the basis of dual-RSM

Zhengbao LEI, Shubin WEI, Qingyun DU

Journal Article

Design and optimization of reactive distillation: a review

Journal Article

Function-oriented optimization design method for underactuated tendon-driven humanoid prosthetic hand

Journal Article

A naive optimization method for multi-line systems with alternative machines

Weichang KONG, Fei QIAO, Qidi WU

Journal Article

Independent continuous and mapping method of structural topology optimization based on the global stress

Yunkang SUI, Jili FENG, Hongling YE, Xirong PENG,

Journal Article

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

Journal Article

Border-search and jump reduction method for size optimization of spatial truss structures

Babak DIZANGIAN, Mohammad Reza GHASEMI

Journal Article

A carbon efficiency upgrading method for mechanical machining based on scheduling optimization strategy

Shuo ZHU, Hua ZHANG, Zhigang JIANG, Bernard HON

Journal Article

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

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

Journal Article

An ANN-exhaustive-listing method for optimization of multiple building shapes and envelope properties

Yaolin LIN, Wei YANG

Journal Article

Efficient, high-resolution topology optimization method based on convolutional neural networks

Liang XUE, Jie LIU, Guilin WEN, Hongxin WANG

Journal Article

Application of coupled multi-body dynamics–discrete element method for optimization of particle damper

Danhui DAN, Qianqing WANG, Jiongxin GONG

Journal Article

Damage identification in connections of moment frames using time domain responses and an optimizationmethod

Journal Article