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Inhomogenous diffusion equations in plasma physics and fluid dynamics
Canadian Journal of Physics, 1978Using the method of self-similar solution of partial differential equations, analytical solutions for the two- and three-dimensional inhomogeneous diffusion equations with the diffusion coefficients D ~ rm are obtained. The solutions found can be useful in studying the diffusion characteristics of some fluids and plasmas.
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A simple physical approach for deriving the characteristic equations of fluid dynamics
International Journal for Numerical Methods in Fluids, 1990AbstractA simple physical approach for deriving the characteristic equations of fluid dynamics is presented. The approach is based on the physical concept that information propagates through a flowfield along pathlines due to particle motion and along wavelines due to acoustic wave motion.
B. N. Wang, Joe D. Hoffman
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Newtonian Fluid Dynamics as a Mathematical – Physical Science
2011a>There are two mathematical–physical descriptions of fluid dynamics. The first of them is a microscopic description, from the Boltzmann equation for the (one-particle) distribution function \( f({\hbox{t}}, {\hbox{x}};{ }\xi ) \): $$ \partial f/\partial {\hbox{t }}\!\!
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Electromagnetics, Systems Theory, Fluid Dynamics, and Some Fundamentals in Physics
2013Based on strict validity of Maxwell’s equations in vacuum, concepts of field velocity v, rest field, basal electromagnetic (EM) field etc. are defined. Their properties lead to flow equations that have the same structure as those of fluid dynamics and thus in fact describe an EM fluid whose flow velocity is equal to v. For a photon a model is presented
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Dynamic analysis on magnetic fluid interface validated by physical laws
Journal of Magnetism and Magnetic Materials, 2017Abstract Numerical analyses of magnetic fluid especially for fast phenomena such as the transition among interface profiles require rigorous as well as efficient method under arbitrary interface profiles and applied magnetic field distributions. Preceded by the magnetic analysis for this purpose, the present research has attempted to investigate ...
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Statistical physics of social dynamics
Reviews of Modern Physics, 2009Claudio Castellano, Santo Fortunato
exaly
Early Transmission Dynamics in Wuhan, China, of Novel Coronavirus–Infected Pneumonia
New England Journal of Medicine, 2020Qun Li, Peng Wu, Kathy Leung
exaly