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Doboku Gakkai Ronbunshu
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Doboku Gakkai Ronbunshu
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ANALYSIS OF PLASTIC BIFURCATION FROM AXISYMMETRIC BUCKLING MODE TO DIAMOND BUCKLING MODE IN MODERATELY THICK CYLINDRICAL SHELLS

descriptionPublicationkeyboard_double_arrow_right Article 21 Oct 1998 English Publisher:Japan Society of Civil EngineersJournal:Doboku Gakkai Ronbunshu, volume 1,998, pages 105-115 (issn: 0289-7806, eissn: 1882-7187, Copyright policy )
Authors: Yoshiaki Goto; Chonghou Zhang;

doi: 10.2208/jscej.1998.605_105

ANALYSIS OF PLASTIC BIFURCATION FROM AXISYMMETRIC BUCKLING MODE TO DIAMOND BUCKLING MODE IN MODERATELY THICK CYLINDRICAL SHELLS

Abstract

軸圧縮力を受ける比較的厚肉の円筒殻は塑性域で最初, 座屈モードの局所化により軸対称のいわゆる提灯座屈が生ずるが, 変位制御で載荷を継続するとダイヤモンド座屈モードに変化することが実験的に観察されている. ここでは, 厳密な塑性分岐解析によりこのような塑性座屈モードの変化の過程を解析した. 解析結果として, ダイヤモンド座屈モードは, 軸対称座屈モードの局所化による提灯座屈発生後に塑性分岐により生ずること, 周方向の座屈波数は径厚比が大きいほど多いこと, さらに, ダイヤモンド型モードへの変化にともない局部的なひずみ集中度が大きく増加するため延性破壊による亀裂発生にもつながる可能性もあることなどが判明した.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Top 10%
Average
bronze