Results 41 to 50 of about 3,701,157 (303)
New exact solutions for Hele-Shaw flow in doubly connected regions [PDF]
, 2012 Radial Hele-Shaw flows are treated analytically using conformal mapping techniques. The geometry of interest has a doubly-connected annular region of viscous fluid surrounding an inviscid bubble that is either expanding or contracting due to a pressure ...
Michael C. Dallaston +3 more
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Exact solutions in massive gravity [PDF]
Classical and Quantum Gravity, 2013 17 pages, 4 figures.
Tasinato, Gianmassimo +2 more
openaire +4 more sources
Two-mode coupled Burgers equation: Multiple-kink solutions and other exact solutions
Alexandria Engineering Journal, 2018 In this paper, we establish a new two-mode coupled Burgers equation (TMCBE). The necessary conditions that make the multiple kink solutions and the multiple singular kink solutions to TMCBE exist are founded using the simplified bilinear method. Moreover,
H.M. Jaradat
doaj +1 more source
Bäcklund transformations for noncommutative anti-self-dual Yang-Mills equations [PDF]
, 2009 We present Bäcklund transformations for the non-commutative anti-self-dual Yang–Mills equations where the gauge group is G = GL(2) and use it to generate a series of exact solutions from a simple seed solution.
Gilson, C.R. +8 more
core +1 more source
Particle dynamics around an electrically charged Kiselev black hole embedded in quintessence
Nuclear Physics BWe introduce and study a new solution describing a static, spherically symmetric and electrically charged black hole embedded in a charged quintessence fluid, which corresponds to an electric generalization of the Kiselev geometry.
Vitalie Lungu +2 more
doaj +1 more source
Heat transfer analysis of Rabinowitsch fluid flow due to metachronal wave of cilia
Results in Physics, 2015 The present investigation concerns with the mechanical properties of a Rabinowitsch fluid model and the effects of thermal conductivity over it. Flow is considered to be occurring due to metachronal wave produced as a result of constant beating of cilia ...
Noreen Sher Akbar, Adil Wahid Butt
doaj +1 more source
Physics Letters BAstrophysical black holes arise as exact solutions of the Einstein field equations. Therefore, any alternative, such as a gravastar, must satisfy the same level of mathematical rigor and internal consistency. A physically viable gravastar model should not rely on approximations or ad hoc matching of regions, but instead provide a single, exact, and ...
Farook Rahaman +4 more
openaire +2 more sources
Asymmetric inflation: Exact solutions [PDF]
Physical Review D, 2006 We provide exact solutions to the Einstein equations when the Universe contains vacuum energy plus a uniform arrangements of magnetic fields, strings, or domain walls. Such a universe has planar symmetry, i. e., it is homogeneous but, not isotropic. Further exact solutions are obtained when dust is included and approximate solutions are found for $w ...
Buniy, Roman V. +2 more
openaire +2 more sources
The exact cosmological solutions for tachyon fields
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2011 The application of the method of super-potential to the solution of the problems of cosmology with the tachyon fields is examined. The classes of exact solutions are found and the periods of time with the predominance of dark energy are established.
M. Sami, O. G. Panina, S. V. Chervon
doaj +3 more sources
Exact solutions of conformable fractional differential equations
Results in Physics, 2021 This article is about to formulate exact solutions of the time fractional Dodd-Bullough-Mikhailov (DBM) equation, Sinh-Gordon equation and Liouville equation by utilizing simplest equation method (SEM) in conformable fractional derivative (CFD) sense ...
Haleh Tajadodi +5 more
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