Strain Concentration for Cylindrical Tubes Subjected to Axial Compression

Ushijima, Kazuo; Haruyama, Shigeko; Hanawa, Hiroki; Chen, Dai Heng

doi:10.1299/kikaia.71.1023

Cited by 9 publications

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“…1. We had previously carried out quasi-static crush tests on cylindrical tubes and compared those results with numerical predictions obtained using the present method by MSC.Marc, to verify the effectiveness of this numerical method [12,13]. Fig.…”

Section: Methodsmentioning

confidence: 81%

Numerical study of axially crushed cylindrical tubes with corrugated surface

Chen

Ozaki

2009

Thin-Walled Structures

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Section: Methodsmentioning

confidence: 81%

Numerical study of axially crushed cylindrical tubes with corrugated surface

Chen

Ozaki

2009

Thin-Walled Structures

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“…Moreover, taking into account the fact that the circumferential strain on the fold increases with an increase in t/R 0 (cf. Ushijima et al (11) ), it is understood that the eccentricity m also depends on the work-…”

Section: Comparison With Experimental Resultsmentioning

confidence: 99%

Eccentricity in the Progressive Crushing of Circular Tubes

Chen

Ushijima

2011

JMMP

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In this paper, the eccentricity of the progressive crushing of circular tubes subjected to an axial compression is studied using the finite element method (FEM). The eccentricity was found to depend on the thickness-to-radius ratio t/R 0 . Thus, the eccentricity for a thick tube is higher than that for a thin tube with the same radius. The reason why the eccentricity is a function of t/R 0 and it is always greater than 0.5 is due to the different stress-strain relationships in the inner and outer folds generated in crushing. Based on this, an approximation equation is proposed to evaluate change of the eccentricity with the tube thickness. Furthermore, the validity of this equation was verified by the results of axial crushing test.

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Circumferential strain concentration in axial crushing of cylindrical and square tubes with corrugated surfaces

Chen

Ozaki

2009

Thin-Walled Structures

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Strain Concentration for Cylindrical Tubes Subjected to Axial Compression

Cited by 9 publications

References 0 publications

Numerical study of axially crushed cylindrical tubes with corrugated surface

Numerical study of axially crushed cylindrical tubes with corrugated surface

Eccentricity in the Progressive Crushing of Circular Tubes

Circumferential strain concentration in axial crushing of cylindrical and square tubes with corrugated surfaces

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