期刊
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE
卷 221, 期 10, 页码 1141-1147出版社
PROFESSIONAL ENGINEERING PUBLISHING LTD
DOI: 10.1243/09544062JMES574
关键词
woodpecker; low-inertia hammer; Lagrangian dynamics; contact dynamics; simulation
Woodpecker can be modelled as a low-inertia hammer. It uses the angular momentum of its body, generated by contraction of its leg muscles, to accelerate its head towards the tree, which it is pecking. It appears to peck at a resonant frequency.
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