Cross-Sectional Performance of Hollow Square Prisms with Rounded Edges
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Hollow-section columns are one of the mechanically superior structures with high buckling resistance and high bending stiffness. The mechanical properties of the column are strongly influenced by the cross-sectional shape. Therefore, when evaluating the stability of a column against external forces, it is necessary to reproduce the cross-sectional shape accurately. In this study, we propose a mathematical method to describe a polygonal section with rounded edges and vertices. This mathematical model would be quite useful for analyzing the mechanical properties of plants and designing plant-mimicking functional structures, since the cross-sections of the actual plant culms and stems often show rounded polygons.
2010 ◽
Vol 638-642
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pp. 675-680
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2002 ◽
Vol 75
(2)
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pp. 265-274
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2001 ◽
Vol 39
(7)
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pp. 535-554
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