Results 31 to 40 of about 68,602 (312)

Bottom Multi-Parameter Bayesian Inversion Based on an Acoustic Backscattering Model

open access: yesJournal of Marine Science and Engineering
The geoacoustic and physical properties of the bottom, as well as spatial distribution, are crucial factors in analyzing the underwater acoustic field structure and establishing a geoacoustic model.
Yi Zheng   +6 more
doaj   +1 more source

Blade coating analysis of a Williamson fluid

open access: yesResults in Physics, 2017
In this article, a mathematical model of a blade coating analysis of the thin film of a Williamson fluid is developed when it passes through the small gap between a blade and a moving substrate.
A.M. Siddiqui   +3 more
doaj   +1 more source

Don't Just Go with the Flow: Cautionary Tales of Fluid Flow Approximation

open access: yes, 2012
Fluid flow approximation allows efficient analysis of large scale PEPA models. Given a model, this method outputs how the mean, variance, and any other moment of the model’s stochastic behaviour evolves as a function of time.
Luca Bortolussi   +7 more
core   +1 more source

Rotational dynamics of tidally deformed planetary bodies and validity of fluid limit and quasi-fluid approximation

open access: yes, 2017
The data and program to reproduce the results in the paper: Rotational dynamics of tidally deformed planetary bodies and validity of fluid limit and quasi-fluid approximation.
Hu, H.X.S. (Haiyang)
core   +1 more source

Heat measures in performance of electro-osmotic flow of Williamson fluid in micro-channel

open access: yesAlexandria Engineering Journal, 2020
Present study signifies the thermal analysis of the electroosmotic flow of Williamson fluid in the presence of peristaltic propulsion and asymmetric zeta potential at the walls.
S. Noreen   +3 more
doaj   +1 more source

Entropy approximations for simple fluids

open access: yesPhysical Review E
Liquid state entropy formulas based on configurational probability distributions are examined for Lennard-Jones fluids across a range temperatures and densities. These formulas are based on expansions of the entropy in series of $n$-body distribution functions. We focus on two special cases.
Yang Huang, Michael Widom
openaire   +3 more sources

High-order fluid solver based on a combined compact integrated RBF approximation and its fluid structure interaction applications

open access: yes, 2016
In this study, we present a high-order numerical method based on a combined compact integrated RBF (IRBF) approximation for viscous flow and fluid structure interaction (FSI) problems.
Ngo-Cong, D.   +4 more
core   +1 more source

Ellipsoidal vortices in rotating stratified fluids : beyond the quasi-geostrophic approximation

open access: yes, 2015
Support for this research has come from the UK Engineering and Physical Sciences Research Council (grant number EP/H001794/1).We examine the basic properties and stability of isolated vortices having uniform potential vorticity (PV) in a non-hydrostatic ...
Dritschel, David G., Tsang, Yue-Kin
core   +1 more source

On the Frequency of Internal Gravity Waves in the Atmosphere: Comparing Theory with Observations

open access: yesAtmosphere
This paper is devoted to the dynamics of the propagation of non-planetary scale internal gravity waves (IGWs) in the stratified atmosphere. We consider the system of equations describing internal gravity waves in three approximations: (1) the ...
Robert G. Zakinyan   +3 more
doaj   +1 more source

Rational approximations of fluid properties

open access: yesFluid Phase Equilibria, 1993
Abstract We report on recent efforts to develop a systematic method, based on the technique of rational approximation, for creating mathematical models of real-fluid equations of state and related properties. Equation-of-state models for real fluids are usually created by selecting a function p ∗ (T,n) that contains a set of parameters &{;γ i ...
D.A. Ray, J.M. Kincaid
openaire   +3 more sources

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