Zobrazeno 1 - 10
of 82
pro vyhledávání: '"DasGupta, Ratul"'
Gravito-capillary waves at free-surfaces are ubiquitous in several natural and industrial processes involving quiescent liquid pools bounded by cylindrical walls. These waves emanate from the relaxation of initial interface distortions, which often t
Externí odkaz:
http://arxiv.org/abs/2406.05416
We show numerically that large amplitude, \textit{shape deformations}, imposed on a spherical-cap, incompressible, sessile gas bubble pinned on a rigid wall can produce a sharp, wall-directed jet. For such a bubble filled with a permanent gas, the te
Externí odkaz:
http://arxiv.org/abs/2304.11731
Autor:
Kayal, Lohit, Dasgupta, Ratul
We demonstrate that gravity acting alone at large length scales, can produce a jet from a large amplitude, axisymmetric surface deformation imposed on a quiescent, deep pool of liquid. Mechanistically, the jet owes it origin to the focussing of a con
Externí odkaz:
http://arxiv.org/abs/2304.11365
We study a class of initial value problems (IVPs) involving perturbations on a density stratified, quiescent, viscous liquid layer with a free-surface. The geometry is a two-dimensional, rectangular configuration taking into account surface-tension a
Externí odkaz:
http://arxiv.org/abs/2304.00769
Numerical studies of dimple and jet formation from a collapsing cavity often model the initial cavity shape as a truncated sphere, mimicking a bursting bubble. In this study, we present a minimal model containing only nonlinear inertial and capillary
Externí odkaz:
http://arxiv.org/abs/2208.12663
We demonstrate dynamic stabilisation of axisymmetric Fourier modes susceptible to the classical Rayleigh-Plateau (RP) instability on a liquid cylinder by subjecting it to a radial oscillatory body force. Viscosity is found to play a crucial role in t
Externí odkaz:
http://arxiv.org/abs/2202.03102
Amorphous solids, confined on the nano-scale, exhibit a wealth of novel phenomena yet to be explored. In particular, the response of such solids to a mechanical load is not well understood and, as has been demonstrated experimentally, it differs stro
Externí odkaz:
http://arxiv.org/abs/1907.04079
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We present results of atomistic simulations of a new model of a magnetic amorphous solid subjected to external mechanical strains and magnetic fields. The model employed offers new perspectives on important effects like Barkhausen noise and magnetost
Externí odkaz:
http://arxiv.org/abs/1310.3978