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Robust isogeometric topology optimization for piezoelectric actuators with uniform manufacturability

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0683-5

Abstract: The main purpose of the current paper is to propose a robust isogeometric topology optimization (RITOThe erode–dilate operator is introduced in topology representation to construct the eroded, intermediate

Keywords： piezoelectric actuator     isogeometric topology optimization     uniform manufacturability     robust formulation    

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Robust topology optimization of hinge-free compliant mechanisms with material uncertainties based on

Junjie ZHAN, Yangjun LUO

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

Abstract: This paper presents a new robust topology optimization framework for hinge-free compliant mechanismsRobust topology optimization of compliant mechanisms is then defined to minimize the variation in outputThe nest optimization problem is solved using a gradient-based optimization algorithm.examples are presented to illustrate the effectiveness of the proposed method for circumventing hinges in topologyoptimization of compliant mechanisms.

Keywords： compliant mechanisms     robust topology optimization     hinges     uncertainty     bounded field    

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Robust topology optimization of multi-material lattice structures under material and load uncertainties

Yu-Chin CHAN, Kohei SHINTANI, Wei CHEN

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 2,   Pages 141-152 doi: 10.1007/s11465-019-0531-4

Abstract: This work proposes a density-based robust topology optimization method for meso- or macro-scale multi-material

Keywords： robust topology optimization     lattice structures     multi-material     material uncertainty     load uncertainty    

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Massively efficient filter for topology optimization based on the splitting of tensor product structure

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0710-6

Abstract: In this work, we put forward a massively efficient filter for topology optimization (TO) utilizing thewhich the sensitivity analysis is reformulated for the nodal design variables without altering the optimization

Keywords： topology optimization     isogeometric analysis     finite element analysis     tensor product structure     sensitivity    

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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 theproposed first by Chen in 1980s, was effectively and successfully used in antenna structures’ optimizationWhen the Guide-Weight method is applied into topology optimization, it works very well with unified andThe algorithm of the Guide-Weight method and the improvement on it are described; two formulations of topologyoptimization 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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Target-oriented robust optimization of a microgrid system investment model

Lanz UY, Patric UY, Jhoenson SIY, Anthony Shun Fung CHIU, Charlle SY

Frontiers in Energy 2018, Volume 12, Issue 3,   Pages 440-455 doi: 10.1007/s11708-018-0563-1

Abstract: It further investigates the effects of uncertain demand by using a target-oriented robust optimization

Keywords： microgrid     renewable resources     robust optimization     target-oriented robust optimization    

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Multiresolution and multimaterial topology optimization of fail-safe structures under B-spline spaces

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11465-023-0768-9

Abstract: This study proposes a B-spline-based multiresolution and multimaterial topology optimization (TO) design

Keywords： multiresolution     multimaterial     topology optimization     fail-safe structure     B-spline    

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Controlling interstory drift ratio profiles via topology optimization strategies

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 165-178 doi: 10.1007/s11709-022-0892-3

Abstract: approach to control the profiles of interstory drift ratios along the height of building structures via topologyoptimization is proposed herein.The theoretical foundation of the proposed approach involves solving a min–max optimization problem toThe optimization results show the optimal structural features for controlling the interstory drift ratios

Keywords： interstory drift ratio     aggregation function     bound formulation     min–max problem     topology optimization    

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Reliability-based robust design optimization of vehicle components, Part I: Theory

Yimin ZHANG

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 2,   Pages 138-144 doi: 10.1007/s11465-015-0333-2

Abstract:

The reliability-based design optimization, the reliability sensitivity analysis and robust designoptimization of vehicle components.A procedure for reliability-based robust design optimization of vehicle components is proposed.Application of the method is illustrated by reliability-based robust design optimization of axle anddesign optimization of vehicle components.

Keywords： vehicle components     reliability-based design optimization     reliability-based sensitivity analysis     multi-objectiveoptimization     robust design    

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Reliability-based robust design optimization of vehicle components, Part II: Case studies

Yimin ZHANG

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 2,   Pages 145-153 doi: 10.1007/s11465-015-0334-1

Abstract:

The reliability-based optimization, the reliability-based sensitivity analysis and robust design methodare employed to propose an effective approach for reliability-based robust design optimization of vehicleApplications of the method are further discussed for reliability-based robust optimization of vehicleResults have shown the proposed method is an efficient method for reliability-based robust design optimization

Keywords： vehicle axles and springs     reliability-based design optimization     reliability-based sensitivity analysis     multi-objective optimization     robust design    

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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 uses a bounded material field with specified spatial correlation to represent the structural topologyThe implementation of the code and its extensions to topology optimization problems with multiple loadMFSE topology optimization method with non-gradient optimization algorithms without sensitivity informationbecause only a few design variables are required to describe relatively complex structural topology

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

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Manufacturing cost constrained topology optimization for additive manufacturing

Jikai LIU, Qian CHEN, Xuan LIANG, Albert C. TO

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 2,   Pages 213-221 doi: 10.1007/s11465-019-0536-z

Abstract: This paper presents a manufacturing cost constrained topology optimization algorithm considering theTopology optimization for additive manufacturing was recently extensively studied, and many related topicsopportunity to balance the manufacturing cost while pursuing the superior structural performance through topologyoptimization.optimization problem as a constraint.

Keywords： topology optimization     manufacturing cost     additive manufacturing     powder bed    

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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-resolutionbuilt as another speed-up strategy to reduce the high computational cost and memory requirements for 3D topologyoptimization 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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Distributionally robust optimization of home energy management system based on receding horizon optimization

Jidong WANG, Boyu CHEN, Peng LI, Yanbo CHE

Frontiers in Energy 2020, Volume 14, Issue 2,   Pages 254-266 doi: 10.1007/s11708-020-0665-4

Abstract: in home energy management system (HEMS) under uncertain environment by proposing a distributionally robustoptimization (DRO) method based on receding horizon optimization (RHO-DRO).First, the optimization model of HEMS, which contains uncertain variable outdoor temperature and hotThe simulation results demonstrate that the scheduling results are robust under uncertain environmentFurthermore, compared with the robust optimization (RO) method, the RHO-DRO method proposed in this paper

Keywords： distributionally robust optimization (DRO)     home energy management system (HEMS)     receding horizon optimization    

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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: we develop an isogeometric analysis (IGA)-based level set model for the formulation and solution of topologyoptimization in cases with maximum eigenfrequency.The method is applied to topology optimization problems of maximizing the fundamental eigenfrequencysingle target eigenmode is employed to prevent the exchange of eigenmode order number in eigenfrequency optimization

Keywords： topology optimization     level set method     isogeometric analysis     eigenfrequency    

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Title Author Date Type Operation

Robust isogeometric topology optimization for piezoelectric actuators with uniform manufacturability

Journal Article

Robust topology optimization of hinge-free compliant mechanisms with material uncertainties based on

Junjie ZHAN, Yangjun LUO

Journal Article

Robust topology optimization of multi-material lattice structures under material and load uncertainties

Yu-Chin CHAN, Kohei SHINTANI, Wei CHEN

Journal Article

Massively efficient filter for topology optimization based on the splitting of tensor product structure

Journal Article

Solving topology optimization problems by the Guide-Weight method

Xinjun LIU, Zhidong LI, Liping WANG, Jinsong WANG

Journal Article

Target-oriented robust optimization of a microgrid system investment model

Lanz UY, Patric UY, Jhoenson SIY, Anthony Shun Fung CHIU, Charlle SY

Journal Article

Multiresolution and multimaterial topology optimization of fail-safe structures under B-spline spaces

Journal Article

Controlling interstory drift ratio profiles via topology optimization strategies

Journal Article

Reliability-based robust design optimization of vehicle components, Part I: Theory

Yimin ZHANG

Journal Article

Reliability-based robust design optimization of vehicle components, Part II: Case studies

Yimin ZHANG

Journal Article

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

Journal Article

Manufacturing cost constrained topology optimization for additive manufacturing

Jikai LIU, Qian CHEN, Xuan LIANG, Albert C. TO

Journal Article

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

Liang XUE, Jie LIU, Guilin WEN, Hongxin WANG

Journal Article

Distributionally robust optimization of home energy management system based on receding horizon optimization

Jidong WANG, Boyu CHEN, Peng LI, Yanbo CHE

Journal Article

Level set-based isogeometric topology optimization for maximizing fundamental eigenfrequency

Manman XU, Shuting WANG, Xianda XIE

Journal Article