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    Out-of-Plane Impact Resistance Enhancement in Plane Lattice With Curved Links

    Source: Journal of Applied Mechanics:;2019:;volume( 086 ):;issue: 009::page 91004
    Author:
    Liu, Yabo
    ,
    Dong, Zhichao
    ,
    Ge, Jingran
    ,
    Liang, Jun
    DOI: 10.1115/1.4043830
    Publisher: American Society of Mechanical Engineers (ASME)
    Abstract: In the past decades, various novel functions (i.e., negative Poisson's ratio, zero thermal expansion) have been obtained by tailoring the microstructures of the cellular structures. Among all the microstructures, the horseshoe topology shows a J-shaped stress–strain curve, which is quite different from the conventional materials. It can be inferred that the 2D lattice structure with horseshoe microstructure will also exhibit excellent out-of-plane impact resistance since the spider silk also exhibits the J-shaped stress–strain curve. In this paper, the out-of-plane sphere impact of 2D truss lattice structure is conducted using finite element method (FEM) simulation. The point has been made that, by replacing the direct-line beam to horseshoe curved beam, the out-of-plane impact resistance has been greatly improved. The most curved beam structure is found to have the best out-of-plane performs with the maximum energy absorption and the minimum passing through velocity.
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      Out-of-Plane Impact Resistance Enhancement in Plane Lattice With Curved Links

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4258121
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    contributor authorLiu, Yabo
    contributor authorDong, Zhichao
    contributor authorGe, Jingran
    contributor authorLiang, Jun
    date accessioned2019-09-18T09:02:16Z
    date available2019-09-18T09:02:16Z
    date copyright6/11/2019 12:00:00 AM
    date issued2019
    identifier issn0021-8936
    identifier otherjam_86_9_jam-19-1168
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4258121
    description abstractIn the past decades, various novel functions (i.e., negative Poisson's ratio, zero thermal expansion) have been obtained by tailoring the microstructures of the cellular structures. Among all the microstructures, the horseshoe topology shows a J-shaped stress–strain curve, which is quite different from the conventional materials. It can be inferred that the 2D lattice structure with horseshoe microstructure will also exhibit excellent out-of-plane impact resistance since the spider silk also exhibits the J-shaped stress–strain curve. In this paper, the out-of-plane sphere impact of 2D truss lattice structure is conducted using finite element method (FEM) simulation. The point has been made that, by replacing the direct-line beam to horseshoe curved beam, the out-of-plane impact resistance has been greatly improved. The most curved beam structure is found to have the best out-of-plane performs with the maximum energy absorption and the minimum passing through velocity.
    publisherAmerican Society of Mechanical Engineers (ASME)
    titleOut-of-Plane Impact Resistance Enhancement in Plane Lattice With Curved Links
    typeJournal Paper
    journal volume86
    journal issue9
    journal titleJournal of Applied Mechanics
    identifier doi10.1115/1.4043830
    journal fristpage91004
    journal lastpage091004-10
    treeJournal of Applied Mechanics:;2019:;volume( 086 ):;issue: 009
    contenttypeFulltext
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