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    Sustainable Design-Oriented Level Set Topology Optimization

    Source: Journal of Mechanical Design:;2017:;volume( 139 ):;issue: 001::page 11403
    Author:
    Liu, Jikai
    ,
    Ma, Yongsheng
    DOI: 10.1115/1.4035052
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: This paper presents a novel sustainable design-oriented level set topology optimization method. It addresses the sustainability issue in product family design, which means an end-of-life (EoL) product can be remanufactured through subtractive machining into another lower-level model within the product family. In this way, the EoL product is recycled in an environmental-friendly and energy-saving manner. Technically, a sustainability constraint is proposed that the different product models employ the containment relationship, which is a necessary condition for the subtractive remanufacturing. A novel level set-based product family representation is proposed to realize the containment relationship, and the related topology optimization problem is formulated and solved. In addition, spatial arrangement of the input design domains is explored to prevent highly stressed material regions from reusing. Feature-based level set concept for sustainability is then used. The novelty of the proposed method is that, for the first time, the product lifecycle issue of sustainability is addressed by a topology optimization method. The effectiveness of the proposed method is proved through a few numerical examples.
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      Sustainable Design-Oriented Level Set Topology Optimization

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4234902
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    contributor authorLiu, Jikai
    contributor authorMa, Yongsheng
    date accessioned2017-11-25T07:18:00Z
    date available2017-11-25T07:18:00Z
    date copyright2016/11/11
    date issued2017
    identifier issn1050-0472
    identifier othermd_139_01_011403.pdf
    identifier urihttp://138.201.223.254:8080/yetl1/handle/yetl/4234902
    description abstractThis paper presents a novel sustainable design-oriented level set topology optimization method. It addresses the sustainability issue in product family design, which means an end-of-life (EoL) product can be remanufactured through subtractive machining into another lower-level model within the product family. In this way, the EoL product is recycled in an environmental-friendly and energy-saving manner. Technically, a sustainability constraint is proposed that the different product models employ the containment relationship, which is a necessary condition for the subtractive remanufacturing. A novel level set-based product family representation is proposed to realize the containment relationship, and the related topology optimization problem is formulated and solved. In addition, spatial arrangement of the input design domains is explored to prevent highly stressed material regions from reusing. Feature-based level set concept for sustainability is then used. The novelty of the proposed method is that, for the first time, the product lifecycle issue of sustainability is addressed by a topology optimization method. The effectiveness of the proposed method is proved through a few numerical examples.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleSustainable Design-Oriented Level Set Topology Optimization
    typeJournal Paper
    journal volume139
    journal issue1
    journal titleJournal of Mechanical Design
    identifier doi10.1115/1.4035052
    journal fristpage11403
    journal lastpage011403-8
    treeJournal of Mechanical Design:;2017:;volume( 139 ):;issue: 001
    contenttypeFulltext
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