Results 41 to 50 of about 204,412 (324)
Complex rotation numbers: bubbles and their intersections [PDF]
Analysis & PDE 11 (2018) 1787-1801, 2017 The construction of complex rotation numbers, due to V.Arnold, gives rise to a fractal-like set "bubbles" related to a circle diffeomorphism. "Bubbles" is a complex analogue to Arnold tongues. This article contains a survey of the known properties of bubbles, as well as a variety of open questions.
arxiv +1 more source
The interaction of multiple bubbles in a Hele-Shaw channel [PDF]
, 2021 We study the dynamics of two air bubbles driven by the motion of a suspending viscous fluid in a Hele-Shaw channel with a small elevation along its centreline via physical experiment and numerical simulation of a depth-averaged model. For a single-bubble system we establish that, in general, bubble propagation speed monotonically increases with bubble ...
arxiv +1 more source
Nonlinear Wave Equations for Pressure Wave Propagation in Liquids Containing Gas Bubbles
Journal of Fluid Science and Technology, 2011 Based on the unified theory by the present authors (Kanagawa et al., J. Fluid Sci. Tech., 5, 2010), the Korteweg-de Vries-Burgers (KdVB) equation and the nonlinear Schrödinger (NLS) equation with an attenuation term for weakly nonlinear waves in ...
Tetsuya KANAGAWA +3 more
doaj +1 more source
Price Bubble in the Iranian Housing Market Based on the Structural Model of Housing Price Determination [PDF]
فصلنامه پژوهشهای اقتصادی ایران, 2016 During two last decades, Iranians have faced with a wide and substantial increase in housing prices, especially in great metropolitans such as Tehran, Mashhad, Isfahan and Shiraz.
Javad Abedini +2 more
doaj +1 more source
Metals, 2023 A mathematical model was developed to investigate the refining process through using slot-porous matched dual tuyeres. In this model, the bubble expansion is considered through the ideal gas state equation.
Xianglong Li +7 more
doaj +1 more source
SSRN Electronic Journal, 2008 We use the notion of a housing bubble as an equilibrium in which some investors hold houses for resale purposes only and not with the expectation of receiving a dividend, either in the form of rent or utility. We show that an economy with looser collateral constraints is less prone to bubbles, which, in turn, have smaller size, but are more fragile in
Arce, Oscar, López-Salido, J David
openaire +5 more sources
Molecular Insights into the Effect of Nitrogen Bubbles on the Formation of Tetrahydrofuran Hydrates
Molecules, 2022 In this work, a molecular dynamics simulation was conducted to study the microscopic mechanism of how nitrogen bubbles affect the formation of THF hydrates at the molecular level.
Xin Huang +4 more
doaj +1 more source
DNA denaturation bubbles at criticality [PDF]
Phys. Rev. E 77, 031919 (2008), 2008 The equilibrium statistical properties of DNA denaturation bubbles are examined in detail within the framework of the Peyrard-Bishop-Dauxois model. Bubble formation in homogeneous DNA is found to depend crucially on the presence of nonlinear base-stacking interactions. Small bubbles extending over less than 10 base pairs are associated with much larger
arxiv +1 more source
Flow Structure and Deformation of Two Bubbles Rising Side by Side in a Quiescent Liquid
Fluids, 2021 In the motion of two spherical bubbles rising side by side, the bubbles are known to attract each other at a high Reynolds number (Re = ρUd/μ). Furthermore, spherical bubbles kiss and bounce under certain conditions; however, deformable bubbles repel ...
Hiroaki Kusuno, Toshiyuki Sanada
doaj +1 more source
BubGAN: Bubble Generative Adversarial Networks for Synthesizing Realistic Bubbly Flow Images [PDF]
, 2018 Bubble segmentation and size detection algorithms have been developed in recent years for their high efficiency and accuracy in measuring bubbly two-phase flows. In this work, we proposed an architecture called bubble generative adversarial networks (BubGAN) for the generation of realistic synthetic images which could be further used as training or ...
arxiv +1 more source