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Chang Liu

Dalian University of Technology

Huiying Rd

DaLian, LiaoNing, 116024

China

SCHOLARLY PAPERS

12

DOWNLOADS

755

TOTAL CITATIONS

11

Scholarly Papers (12)

1.

A High-Performance Parallel Algorithm Based on Problem Independent Machine Learning (Piml) for Large-Scale Topology Optimization

Number of pages: 20 Posted: 29 Oct 2024
Dalian University of Technology, Dalian University of Technology, Dalian University of Technology, Dalian University of Technology, Dalian University of Technology, Dalian University of Technology and Dalian University of Technology
Downloads 146 (521,245)
Citation 3

Abstract:

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Topology optimization, Large-scale, Problem independent machine learning (PIML), Parallel computing

2.

A Mechanics-Based Data-Free Problem Independent Machine Learning (Piml) Model for Large-Scale Structural Analysis and Design Optimization

Number of pages: 19 Posted: 15 Jul 2024
Dalian University of Technology, Dalian University of Technology, Dalian University of Technology, Dalian University of Technology, Dalian University of Technology and Dalian University of Technology
Downloads 126 (576,708)
Citation 5

Abstract:

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Large-scale structural analysis, Topology optimization, Problem Independent Machine Learning, Data free, Operator learning

3.

Problem-Independent Machine Learning-Enhanced Structural Topology Optimization of Complex Design Domains Based on Isoparametric Elements

Number of pages: 32 Posted: 26 Jun 2024
Dalian University of Technology, Dalian University of Technology, Dalian University of Technology, Dalian University of Technology, Dalian University of Technology and Dalian University of Technology
Downloads 93 (725,554)
Citation 1

Abstract:

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Machine learning, Topology optimization, Substructure, Isoparametric elements

4.

A Multi-Material Topology Optimization Method Based on Implicit Topology Description Functions

Number of pages: 59 Posted: 07 Nov 2024
Dalian University of Technology, Dalian University of Technology, Dalian University of Technology, Dalian University of Technology and Zhengzhou University
Downloads 87 (771,553)
Citation 2

Abstract:

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Multi-material, Topology optimization, Implicit Topology Description Function, Sensitivity analysis

5.

Concurrent Optimization of Layups and Stiffeners for Stiffened Laminated Composite Structures Considering Manufacturing Constraints

Number of pages: 27 Posted: 16 Aug 2025
Dalian University of Technology, Dalian University of Technology, affiliation not provided to SSRN, Dalian University of Technology, Dalian University of Technology, affiliation not provided to SSRN, AVIC Chengdu Aircraft Design and Research Institute and Dalian University of Technology
Downloads 62 (1,000,027)

Abstract:

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Stiffened laminated composite structures, Concurrent optimization, Structural compliance, Fundamental natural frequency, Manufacturing constraints

6.

Problem-Independent Machine Learning (Piml) Enhanced 3d Graded Lattice Structures Optimization Via Moving Morphable Components Approach

Number of pages: 66 Posted: 10 Oct 2024
Dalian University of Technology, Dalian University of Technology, Dalian University of Technology, Dalian University of Technology and Dalian University of Technology
Downloads 57 (989,921)

Abstract:

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3D Graded lattice structure, Problem-Independent Machine Learning (PIML), Moving Morphable Components (MMC), Partitioned Coordinate Mapping (PCM), Large-scale topology optimization

7.

Surface Lattice Structure Design Via Computational Conformal Mapping and Explicit Topology Optimization

Number of pages: 61 Posted: 27 Jul 2025
Chang Liu, Wu Xu, Wendong Huo, Yilin Guo and Xu Guo
Dalian University of Technology, Dalian University of Technology, Dalian University of Technology, Dalian University of Technology and Dalian University of Technology
Downloads 48 (1,121,190)

Abstract:

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Lattice structure, Computational Conformal Mapping, Moving Morphable Components, Surface parameterization, Shell structure

8.

Explicit Topography Design for Complex Shell Structures Based on Embedded Spline Components

Number of pages: 60 Posted: 13 Aug 2024
Dalian University of Technology, Dalian University of Technology, Dalian University of Technology, Dalian University of Technology, Dalian University of Technology and Dalian University of Technology
Downloads 44 (1,145,425)

Abstract:

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Shell structures, Topography optimization, Moving Morphable Components (MMC), Computational Conformal Mapping (CCM)

9.

Efficient Design of Helical Higher-Order Topological Insulators in 3d Elastic Medium

Number of pages: 26 Posted: 20 Jan 2023
Dalian University of Technology, Dalian University of Technology, Dalian University of Technology, Dalian University of Technology, Dalian University of Technology, Dalian University of Technology and Dalian University of Technology
Downloads 38 (1,209,354)

Abstract:

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Topological materials, Mechanical higher-order topological insulators, Topology optimization, Symmetry indicators

10.

Problem-Independent Transfer Learning (PITL) for Efficient 3D Topology Optimization on Complex Design Domains

Number of pages: 45 Posted: 31 Mar 2026
Dalian University of Technology, Dalian University of Technology, Dalian University of Technology, Dalian University of Technology and Dalian University of Technology
Downloads 28 (1,399,036)

Abstract:

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Topology optimization, Transfer learning, Isoparametric substructure, Complex design domain

11.

Collaborative Shape-Stiffener Optimization of Complex Thin-Walled Structures with Explicit Geometric Parameterization

Number of pages: 56 Posted: 05 May 2026
Dalian University of Technology, Dalian University of Technology, Dalian University of Technology, Dalian University of Technology, Dalian University of Technology and Dalian University of Technology
Downloads 21 (1,481,165)

Abstract:

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thin-walled structures, Shape-stiffener collaborative optimization, Explicit geometric parameterization, Computational Conformal Mapping (CCM)

12.

DFENN: A Hyperparameter-Free Variational Framework Coupling Finite Elements and Neural Networks via Interface Condensation

Number of pages: 42 Posted: 25 Mar 2026
Chang Wu, Chang Liu, Yilin Guo and Xu Guo
Dalian University of Technology, Dalian University of Technology, Dalian University of Technology and Dalian University of Technology
Downloads 5 (1,571,455)

Abstract:

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Domain decomposition, Finite element method, Physics-informed neural networks, Deep energy method, Static condensation