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arxiv: 1105.2591 · v2 · pith:YHSX2WEWnew · submitted 2011-05-13 · ⚛️ physics.bio-ph · physics.flu-dyn

Leonardo's rule, self-similarity and wind-induced stresses in trees

classification ⚛️ physics.bio-ph physics.flu-dyn
keywords leonardoruletreeswind-inducedacrossadjustedbotanicalbranch
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Examining botanical trees, Leonardo da Vinci noted that the total cross-section of branches is conserved across branching nodes. In this Letter, it is proposed that this rule is a consequence of the tree skeleton having a self-similar structure and the branch diameters being adjusted to resist wind-induced loads.

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