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    A fair reconstruction method of hull surface

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    Authors
    Dong, Feng
    Chen, Shunhuai
    Issue Date
    2016-02-25
    Subjects
    interpolation
    improved lofting
    generalized station
    reconstruction
    dividing arc length equally
    approximation
    
    Metadata
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    Abstract
    In order to use more accurate and fair hull model in ship CAD/CAM/CAE system, based on the hull offset data, the NURBS representation of the conventional station ordinates and generalized station ordinates are obtained by interpolation or approximation method. After obtaining these curves, the same number of data points is sampled from these curves by dividing its arc length equally, so as to form generalized offset points. By interpolation of these generalized offset points, compatible conventional station ordinates and generalized station ordinates are reconstructed, and these curves together constitute the cross-section curves of the hull surface. These cross-section curves are taken as u-direction isoparametric curves of hull surface. By using improved surface lofting method, the whole hull surface is gotten. From the results, it can be seen that the reconstructed hull surface has good fitting accuracy and fairness.
    Citation
    Dong F, Chen S (2016) 'A fair reconstruction method of hull surface', Harbin Gongcheng Daxue Xuebao/Journal of Harbin Engineering University, 37 (2), pp.198-204.
    Publisher
    Editorial Board of Journal of Harbin Engineering
    Journal
    Harbin Gongcheng Daxue Xuebao/Journal of Harbin Engineering University
    URI
    http://hdl.handle.net/10547/624419
    DOI
    10.11990/jheu.201410069
    Additional Links
    http://heuxb.hrbeu.edu.cn/oa/darticle.aspx?type=view&id=201410069
    Type
    Article
    Language
    zh
    ISSN
    1006-7043
    ae974a485f413a2113503eed53cd6c53
    10.11990/jheu.201410069
    Scopus Count
    Collections
    Computing

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