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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 theimplicit filters are decomposed equivalently into two or three submatrices, by which the sensitivity analysisproduct of the axial distances between adjacent element centroids, and the corresponding sensitivity analysisstructure and delivers a much more efficient way of solving TO problems in the frameworks of isogeometric analysisand finite element analysis.

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

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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: In this study, we develop an isogeometric analysis (IGA)-based level set model for the formulation andsolution of topology optimization in cases with maximum eigenfrequency.technique, which uses the non-uniform rational B-spline (NURBS), description of geometry, to perform analysisThe same NURBS is used for geometry representation, but also for IGA-based dynamic analysis and parameterizationThe method is applied to topology optimization problems of maximizing the fundamental eigenfrequency

Keywords： topology optimization     level set method     isogeometric analysis     eigenfrequency    

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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: based on the fast point-in-polygon (PIP) algorithm and trimmed elements is proposed for isogeometric topology

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

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Isogeometric topology optimization based on energy penalization for symmetric structure

Xianda XIE, Shuting WANG, Ming YE, Zhaohui XIA, Wei ZHAO, Ning JIANG, Manman XU

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 1,   Pages 100-122 doi: 10.1007/s11465-019-0568-4

Abstract: We present an energy penalization method for isogeometric topology optimization using moving morphableTopology optimization problems of asymmetric, bilateral symmetric, and periodic symmetric structuresconstraint, the proposed method can reduce the objective value by 5.6% and obtain a final optimized topology

Keywords： topology optimization     moving morphable component     isogeometric analysis     energy penalization method     symmetric    

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Topology optimization of piezoelectric bi-material actuators with velocity feedback control

Mariana MORETTI, Emílio C. N. SILVA

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 2,   Pages 190-200 doi: 10.1007/s11465-019-0537-y

Abstract: considered for the design of a controlled piezoelectric actuator with vibration suppression by means of the topologyThe dynamic response for the rectangular four-noded FE analysis is obtained by the Newmark’s time-integrationphysical and the adjoint systems, given that the adjoint formulation is needed for the sensitivity analysisResults are obtained for different control gain values to evaluate their influence on the final topology

Keywords： topology optimization method     bi-material piezoactuator     active velocity feedback control     time-domain transientanalysis     host structure design     vibration suppression    

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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 (RITOIn RITO, the isogeometric analysis replacing the conventional finite element method is applied to computeThe 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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Module-based method for design and analysis of reconfigurable parallel robots

Fengfeng XI, Yuwen LI, Hongbo WANG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 151-159 doi: 10.1007/s11465-011-0121-6

Abstract:

This paper presents a method for the design and analysis of reconfigurable parallel robots.Among three types of reconfigurations, namely, geometry morphing, topology morphing, and group morphingsystematic way of designing a reconfigurable parallel robot, but also offers a unified modeling for robot analysisTwo examples are provided, one showing the topology morphing and the other showing the group morphing

Keywords： reconfigurable parallel robot     topology morphing     group morphing    

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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 theWhen 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 topology

Keywords： Guide-Weight method     topology optimization     SIMP method    

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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) designTo reduce the computational burden of finite element analysis, we adopt a much coarser analysis mesh

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

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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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Data-driven distribution network topology identification considering correlated generation power of distributed

Frontiers in Energy 2022, Volume 16, Issue 1,   Pages 121-129 doi: 10.1007/s11708-021-0780-x

Abstract: This paper proposes a data-driven topology identification method for distribution systems with distributedindependent nodal power injections, thus eliminating the influence of correlated nodal power injections on topologymaximal information coefficient-based maximum spanning tree algorithm is developed to obtain the network topology

Keywords： power distribution network     data-driven     topology identification     distributed energy resource     maximal    

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Implicit Heaviside filter with high continuity based on suitably graded THB splines

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1,   Pages 14-14 doi: 10.1007/s11465-021-0670-2

Abstract: The variable density topology optimization (TO) method has been applied to various engineering fieldsIn this approach, the fixed analysis mesh of isogeometric analysis is decoupled from the design mesh,Threefold advantages are attained in the proposed filter: a) The connection between analysis mesh and

Keywords： topology optimization     truncated hierarchical B-spline     isogeometric analysis     black and white designs    

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Connected morphable components-based multiscale topology optimization

Jiadong DENG, Claus B. W. PEDERSEN, Wei CHEN

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 2,   Pages 129-140 doi: 10.1007/s11465-019-0532-3

Abstract: However, there are still difficulties for the state-of-the-art multiscale topology optimization (TO)

Keywords： multiscale topology optimization     morphable component     material microstructure     homogenization    

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Feasible workspace regions for general two-revolute manipulator

Conghui LIANG, Marco CECCARELLI

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 4,   Pages 397-408 doi: 10.1007/s11465-011-0228-9

Abstract:

In this paper, a topology is presented for feasible workspace regions in general two-revolute manipulatorsplane are determined for prescribing the position of a feasible workspace point as function of the topology

Keywords： workspace     two-revolute manipulators     topology analysis     design    

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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 topology

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

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Title Author Date Type Operation

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

Journal Article

Level set-based isogeometric topology optimization for maximizing fundamental eigenfrequency

Manman XU, Shuting WANG, Xianda XIE

Journal Article

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

Yingjun WANG,David J. BENSON

Journal Article

Isogeometric topology optimization based on energy penalization for symmetric structure

Xianda XIE, Shuting WANG, Ming YE, Zhaohui XIA, Wei ZHAO, Ning JIANG, Manman XU

Journal Article

Topology optimization of piezoelectric bi-material actuators with velocity feedback control

Mariana MORETTI, Emílio C. N. SILVA

Journal Article

Robust isogeometric topology optimization for piezoelectric actuators with uniform manufacturability

Journal Article

Module-based method for design and analysis of reconfigurable parallel robots

Fengfeng XI, Yuwen LI, Hongbo WANG

Journal Article

Solving topology optimization problems by the Guide-Weight method

Xinjun LIU, Zhidong LI, Liping WANG, Jinsong WANG

Journal Article

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

Journal Article

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

Yu-Chin CHAN, Kohei SHINTANI, Wei CHEN

Journal Article

Data-driven distribution network topology identification considering correlated generation power of distributed

Journal Article

Implicit Heaviside filter with high continuity based on suitably graded THB splines

Journal Article

Connected morphable components-based multiscale topology optimization

Jiadong DENG, Claus B. W. PEDERSEN, Wei CHEN

Journal Article

Feasible workspace regions for general two-revolute manipulator

Conghui LIANG, Marco CECCARELLI

Journal Article

Controlling interstory drift ratio profiles via topology optimization strategies

Journal Article