نتایج جستجو برای: elastica

تعداد نتایج: 506  

2002
TONY F. CHAN SUNG HA KANG JIANHONG SHEN

Journal: :Mathematics 2022

This article presents a comparative study of Kiepert’s trefoil and its related curves, combining variety tools from differential algebraic geometry, integrable systems, elastica theory, special functions. While this curve was classically known well studied in the literature, some open problems were recently solved, goal paper is to present characterize general solution equation that governs tre...

Journal: :Physical review. E 2016
F Bosi D Misseroni F Dal Corso S Neukirch D Bigoni

A challenge in soft robotics and soft actuation is the determination of an elastic system that spontaneously recovers its trivial path during postcritical deformation after a bifurcation. The interest in this behavior is that a displacement component spontaneously cycles around a null value, thus producing a cyclic soft mechanism. An example of such a system is theoretically proven through the ...

Journal: :Physical review letters 2004
E Alvarez-Lacalle J Ortín J Casademunt

We show, both theoretically and experimentally, that the interface between two viscous fluids in a Hele-Shaw cell can be nonlinearly unstable before the Saffman-Taylor linear instability point is reached. We identify the family of exact elastica solutions [Nye et al., Eur. J. Phys. 5, 73 (1984)]] as the unstable branch of the corresponding subcritical bifurcation which ends up at a topological ...

Journal: :Plant physiology 1972
L Karlsson

The results of investigations on nonevoked bioelectrical activity in the India-rubber tree (Ficus elastica) are presented. Metal electrodes inserted into the plant issue were used as the ionic-to-electronic conduction converting elements. Nonevoked pulse bursts were observed with amplitudes in the 10 to 200 microvolts range. An upper limit value of the cell refractory period has been estimated ...

2012
H. Sheheitli

We revisit the two degrees of freedom model of the thin elastica presented by Cusumano and Moon (1995) [3]. We observe that for the corresponding experimental system (Cusumano and Moon, 1995 [3]), the ratio of the two natural frequencies of the system was 44 which can be considered to be of Oð1=eÞ, where e51. The presence of such a vast difference between the frequencies motivates the study of ...

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