Shapes of a filament on the surface of a bubble
Shapes of a filament on the surface of a bubble
复制标题
气泡表面细丝的形状
DOI:
10.1098/rspa.2021.0353
复制
发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Menon, Narayanan
中科院分区:
文献类型:
--
作者:
Prasath, S. Ganga;Marthelot, Joel;Govindarajan, Rama;Menon, Narayanan
The shape assumed by a slender elastic structure is a function both of the geometry of the space in which it exists and the forces it experiences. We explore, by experiments and theoretical analysis, the morphological phase space of a filament confined to the surface of a spherical bubble. The morphology is controlled by varying bending stiffness and weight of the filament, and its length relative to the bubble radius. When the dominant considerations are the geometry of confinement and elastic energy, the filament lies along a geodesic and when gravitational energy becomes significant, a bifurcation occurs, with a part of the filament occupying a longitude and the rest along a curve approximated by a latitude. Far beyond the transition, when the filament is much longer than the diameter, it coils around the selected latitudinal region. A simple model with filament shape as a composite of two arcs captures the transition well. For better quantitative agreement with the subcritical nature of bifurcation, we study the morphology by numerical energy minimization. Our analysis of the filament’s morphological space spanned by one geometric parameter, and one parameter that compares elastic energy with body forces, may provide guidance for packing slender structures on complex surfaces.
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DOI:
10.1103/physreve.61.747
发表时间:
2000
期刊:
Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics
影响因子:
--
作者:
I. Tobias;D. Swigon;B. D. Coleman
通讯作者:
I. Tobias;D. Swigon;B. D. Coleman
DOI:
--
发表时间:
1993
期刊:
影响因子:
--
作者:
X. Tan;P. Digby
通讯作者:
P. Digby
影响因子:
2
作者:
A. Huynen;E. Detournay;V. Denoël
通讯作者:
V. Denoël
DOI:
--
发表时间:
--
期刊:
影响因子:
--
作者:
X. Tan;P. Digby
通讯作者:
P. Digby
影响因子:
3.4
作者:
Swigon,D;Coleman,BD;Tobias,I
通讯作者:
Tobias,I