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D. Weaire, A. Mughal, Stefan Hutzler
We offer a general motivation for the several varieties of packing problems that are discussed in this volume, and introduce some of the key contributors to the long history of the subject. The rapid progress made in recent years has been driven …
ie, gb, ca (code pays fourni par la source)
Soap bubbles are deformable, but effectively (in many circumstances) incompressible objects. Their shape, when they are packed together in a foam, is determined, to within a good approximation, by the minimisation of surface energy and potential energy (usually due to gravity). We …
ca, ie (code pays fourni par la source)
J. Ryan-Purcell, Ali Irannezhad, Mr Whelan, D. Weaire et autres
A line of spheres or bubbles, confined in a cylindrically symmetric harmonic potential, buckles under axial compression. Increasing compression results in a sequence of initially planar, and eventually non-planar, structures. We present a catalogue of these, drawing on both experiments and computer …
ie, gb (code pays fourni par la source)
Ali Irannezhad, A Baragry, D. Weaire, A. Mughal et autres
Abstract We describe a number of different experimental set-ups that use hydrogel spheres to demonstrate dense packings of deformable spheres in various geometries. The arrangements are similar to those of bubbles in foams, drops in emulsions, biological cells, etc. The experiments are …
ie, gb (code pays fourni par la source)
Stefan Hutzler, J. Ryan-Purcell, A. Mughal, D. Weaire
A line of contacting hard spheres, placed in a transverse confining potential, buckles under compression or when tilted away from the horizontal, once a critical tilt angle is exceeded. This interesting nonlinear problem is enriched by the combined application of both compression …
ie, gb (code pays fourni par la source)
A. Mughal, Jens Winkelmann, D. Weaire, Stefan Hutzler
We have previously explored the hysteresis and reversibility of transitions between ordered packings of soft spheres of diameter d in cylindrical channels of diameter D [A.Mughal, J. Winkelmann, D. Weaire, S. Hutzler, Phys.Rev. E 98, 043303 (2018)].Here we extend these initial results …
gb, ie (code pays fourni par la source)
A. Mughal, Stefan Hutzler, D. Weaire
Ions that are trapped in two dimensions and are subject to a harmonic confining potential have widely varying stationary states that exhibit various asymptotic forms and bifurcations. We present a ‘birds-eye’ view of these structures for N = 2 to 5 ions, …
gb, ie (code pays fourni par la source)
A. Mughal, Stefan Hutzler, D. Weaire
The equilibrium configurations of N Coulomb charges confined by a harmonic potential in two dimensions are found to exhibit a wide variety of patterns that are pleasing to the eye, when adjacent points are joined up. We present a selection of these …
gb, ie (code pays fourni par la source)
A. Mughal, Stefan Hutzler, D. Weaire
Ions that are trapped in two dimensions and are subject to a harmonic confining potential have widely varying stationary states that exhibit various asymptotic forms and bifurcations. We present a ‘birds-eye’ view of these structures for N = 2 to 5 ions, …
Stefan Hutzler, J. Ryan-Purcell, A. Mughal, D. Weaire
Mathematica file
Stefan Hutzler, J. Ryan-Purcell, A. Mughal, D. Weaire
Mathematica file
Stefan Hutzler, J. Ryan-Purcell, A. Mughal, D. Weaire
Mathematica file
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