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Liping Chen, Hui Zhang, Wei Wang and Qiliang Zhang
Bidirectional asymptotic structure methods have long been used to solve topological optimization problems, but are prone to being stuck in local optimal solutions. To solve this problem, this paper proposed a topology optimization method based on the Bi-...
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Jianian He, Xuhao Li, Shizhe Chen and Huasheng Xian
Many studies on structural topology optimization of steel plate shear walls have been conducted. However, research on topology optimization using the bidirectional evolutionary structural optimization method is limited. Accordingly, this study optimized ...
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Hang Li, Ruiyao Liu, Shuai He, Renlong Xin, Haijun Wang, Zhenglei Yu and Zhenbang Xu
In the aerospace field, lightweight design is a never-ending pursuit. By integrating structural bionics and structural optimization, the vertical bracket of a wide angle auroral imager is designed and manufactured by additive manufacturing technology in ...
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Kaike Yang, Junpeng Luo, Zhaoting Yuan, Wenjing Ma, Jie Hou, Xiaojun Gu, Deen Wang and Qiang Yuan
This paper proposes a new topology optimization formulation for obtaining shape memory alloy actuators which are designed with prescribed two-way transforming shapes. The actuation behaviors of shape memory alloy structures are governed by austenite-mart...
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Hongjun Xue, Haiyang Yu, Xiaoyan Zhang and Qi Quan
Topological optimization is an innovative method to realize the lightweight design. This paper proposes a hybrid topology optimization method that combines the SIMP (solid isotropic material with penalization) method and genetic algorithm (GA), called th...
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Abdulkhaliq A. Jaafer, Mustafa Al-Bazoon and Abbas O. Dawood
In this study, the binary bat algorithm (BBA) for structural topology optimization is implemented. The problem is to find the stiffest structure using a certain amount of material and some constraints using the bit-array representation method. A new filt...
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Aliyye Kara, Ibrahim Eksin and Ata Mugan
The design optimization of structures can be conducted in either the time domain or the frequency domain. The frequency domain approach is advantageous compared to its time domain counterpart, especially if the degree of freedom is large, the objectives ...
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Tobias Rosnitschek, Rick Hentschel, Tobias Siegel, Claudia Kleinschrodt, Markus Zimmermann, Bettina Alber-Laukant and Frank Rieg
Topology optimization is a powerful digital engineering tool for the development of lightweight products. Nevertheless, the transition of obtained design proposals into manufacturable parts is still a challenging task. In this article, the development of...
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Georgios Kazakis and Nikos D. Lagaros
In multi-scale topology optimization methods, the analysis encompasses two distinct scales: the macro-scale and the micro-scale. The macro-scale refers to the overall size and dimensions of the structural domain being studied, while the micro-scale perta...
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Peter Dørffler Ladegaard Jensen, Fengwen Wang, Ignazio Dimino and Ole Sigmund
This work proposes a systematic topology optimization approach for simultaneously designing the morphing functionality and actuation in three-dimensional wing structures. The actuation was modeled by a linear-strain-based expansion in the actuation mater...
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Mohamed Elelwi, Felipe Schiavoni Pinto, Ruxandra Mihaela Botez and Thien-My Dao
This paper is a follow-up to earlier work on applying multidisciplinary numerical optimization to develop a morphing variable span of a tapered wing (MVSTW) to reduce its weight by using composite materials. This study creates a numerical environment of ...
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Gebrail Bekdas, Melda Yucel and Sinan Melih Nigdeli
Truss structures are one of the major civil engineering members studied in the optimization research area. In this area, various optimization applications such as topology, size, cost, weight, material usage, etc., can be conducted for different truss st...
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Francesco Di Caprio, Valerio Acanfora, Stefania Franchitti, Andrea Sellitto and Aniello Riccio
This paper introduces a numerical tool developed for the design and optimization of axial-symmetrical hybrid composite/metal structures. It is assumed that the defined structures are produced by means of two different processes: Additive Layer Manufactur...
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Qiang Li, Yefa Hu and Huachun Wu
According to different working environments and functional requirements, radial magnetic bearings (RMBs) have various design methods. Some methods? lack of effectiveness or accuracy is likely to cause significant differences in the structural performance...
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Shouyu Cai, Wenshang Zhou, Hongtao Wei and Mingfu Zhu
A new multi-constraint optimization model with the weighted objective function is proposed to design the multi-input-multi-output (MIMO) compliant mechanisms. The main feature of this work is that both the two notable problems related to the de facto hin...
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Zuoxin Wang and Xiaohu Zhao
Most current non-intrusive load monitoring methods focus on traditional load characteristic analysis and algorithm optimization, lack knowledge of users? electricity consumption behavior habits, and have poor accuracy. We propose a novel attention-guided...
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Yuanteng Jiang, Ke Zhan, Jie Xia and Min Zhao
Stability is a critical factor in structural design. Although buckling-constrained topology optimization has been investigated in previous work, the problem has not been considered under design-dependent loads. In this study, a model of buckling constrai...
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Gabriel Dämmer, Sven Gablenz, Rüdiger Neumann and Zoltán Major
Soft robotics research has rapidly incorporated Additive Manufacturing (AM) into its standard prototyping repertoire. While numerous publications have highlighted the suitability of AM for producing soft pneumatic actuators, fluidic components, and light...
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Ruifeng Luo, Yifan Wang, Weifang Xiao and Xianzhong Zhao
Truss layout optimization under complex constraints has been a hot and challenging problem for decades that aims to find the optimal node locations, connection topology between nodes, and cross-sectional areas of connecting bars. Monte Carlo Tree Search ...
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