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  1. A500 情報学部/情報学研究科・情報文化学部・情報科学研究科
  2. A500a 雑誌掲載論文
  3. 学術雑誌

特発性側弯症発症メカニズムの非線形座屈解析による検討

http://hdl.handle.net/2237/25743
e528444b-54ef-4383-9d91-e0e47c7f5517
名前 / ファイル ライセンス アクション
JSME_2015_Sun.pdf JSME_2015_Sun.pdf (951.3 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2017-03-22
タイトル
タイトル 特発性側弯症発症メカニズムの非線形座屈解析による検討
その他のタイトル
その他のタイトル Study on pathogenic mechanism of idiopathic scoliosis by nonlinear buckling analysis
著者 孫, 涵

× 孫, 涵

WEKO 69960

孫, 涵

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畔上, 秀幸

× 畔上, 秀幸

WEKO 69961

畔上, 秀幸

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SUN, Han

× SUN, Han

WEKO 69962

SUN, Han

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AZEGAMI, Hideyuki

× AZEGAMI, Hideyuki

WEKO 69963

AZEGAMI, Hideyuki

Search repository
抄録
内容記述 The present paper describes the numerical results by the finite-element method of unstable phenomena of the spine induced by the growth of vertebral bodies in order to investigate the cause of the idiopathic scoliosis. In the previous study, through the linear buckling analysis using simple plate models, we confirmed the existence of the buckling phenomena, and made clear the region of geometrical parameters in which the buckling phenomena occur. These results support the buckling hypothesis as a cause of initiation of the idiopathic scoliosis. However, this theory is valid for infinitesimal deformation and is not applicable to estimate the stability for post-buckling behavior. In this study, we conduct post-buckling simulations caused by the growth of vertebral bodies considering the geometrical nonlinearity using the simple plate model and spine models with full width and half width. From the results, the existence of the non-linear buckling phenomena are confirmed in the simple plate model and the spine model with half width. Moreover, after the non-linear buckling phenomena, stable deformations are obtained excepting each one case in the simple plate model and the spine model with half width. However, the magnitudes of the post-buckling deformations are too small to explain the pathogenesis of the severe deformity observed in patients of idiopathic scoliosis.
内容記述タイプ Abstract
出版者
出版者 日本機械学会
言語
言語 jpn
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
ISSN
収録物識別子タイプ ISSN
収録物識別子 2187-9761
書誌情報 日本機械学会論文集

巻 81, 号 830, p. 1500293-1500293, 発行日 2015-10
著者版フラグ
値 author
URI
識別子 http://doi.org/10.1299/transjsme.15-00293
識別子タイプ DOI
URI
識別子 http://hdl.handle.net/2237/25743
識別子タイプ HDL
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