Suchergebnisse - Asymptotic methods, singular perturbations applied to problems in fluid mechanics

A Consistent and Conservative Diffuse-Domain Lattice Boltzmann Method for Multiphase Flows in Complex Geometries: A consistent and conservative diffuse-domain lattice Boltzmann method for multiphase flows in complex geometries

Autoren: Xi Liu Chengjie Zhan Ying Chen et al.

Quelle: SIAM Journal on Scientific Computing. 47:B308-B332

Schlagwörter: Compressible Navier-Stokes equations, Three or more component flows, reduction-consistent conservative phase-field method, Taylor expansion, Asymptotic methods, singular perturbations applied to problems in fluid mechanics, Fluid Dynamics (physics.flu-dyn), FOS: Physical sciences, Physics - Fluid Dynamics, Computational Physics (physics.comp-ph), Hermite moment-based collision matrix, Cahn-Hilliard equation, matched asymptotic analysis, Particle methods and lattice-gas methods, Navier-Stokes equations, Physics - Computational Physics

Dateibeschreibung: application/xml

Zugangs-URL: http://arxiv.org/abs/2311.10314

Asymptotic Solution for Three-Dimensional Reaction–Diffusion–Advection Equation with Periodic Boundary Conditions: Asymptotic solution for three-dimensional reaction-diffusion-advection equation with periodic boundary conditions

Autoren: Liubavin, A. Ni, M. Zhang, Y. et al.

Quelle: Differential Equations. 60:1134-1152

Schlagwörter: Reaction effects in flows, Asymptotic methods, singular perturbations applied to problems in fluid mechanics, quasilinear equation, Numerical Analysis (math.NA), PDEs in connection with fluid mechanics, Diffusion, Mathematics - Analysis of PDEs, Reaction-diffusion equations, FOS: Mathematics, solution existence, Mathematics - Numerical Analysis, moving front, initial-boundary value problem, singular perturbation, Analysis of PDEs (math.AP)

Dateibeschreibung: application/xml

Zugangs-URL: http://arxiv.org/abs/2502.02263

Homogenization of Nonlinear Blood Flow in Periodic Networks: The Limit of Small Haematocrit Heterogeneity: Homogenization of nonlinear blood flow in periodic networks: the limit of small haematocrit heterogeneity

Autoren: Yaron Ben-Ami Brian D. Wood Joe M. Pitt-Francis et al.

Quelle: Multiscale Modeling & Simulation. 22:1498-1533

Schlagwörter: multiple scale method, Flows in porous media, filtration, seepage, Asymptotic methods, singular perturbations applied to problems in fluid mechanics, pressure gradient, Quantitative Biology - Tissues and Organs, Darcy mode, Condensed Matter - Soft Condensed Matter, Physiological flows, Homogenization in context of PDEs, PDEs in media with periodic structure, effective permeability tensor, microcirculatory two-phase blood flow, Homogenization applied to problems in fluid mechanics, Physics - Biological Physics, 76Z05, 35B27, 76M50, 34B45, 92-08

Dateibeschreibung: application/xml

Zugangs-URL: http://arxiv.org/abs/2401.10932

Asymptotics of two-dimensional hydroelastic waves: The zero mass, zero bending limit: Asymptotics of two-dimensional hydroelastic waves: the zero mass, zero bending limit

Autoren: Shunlian Liu David M. Ambrose

Quelle: Journal of Differential Equations. 424:381-420

Schlagwörter: hydroelastic waves, vortex sheet, Internal waves for incompressible inviscid fluids, Mathematics - Analysis of PDEs, Asymptotic methods, singular perturbations applied to problems in fluid mechanics, interfacial waves, 35Q35, 35B40, 35Q31, 76B07, 76B45, FOS: Mathematics, Fluid-solid interactions (including aero- and hydro-elasticity, porosity, etc.), Analysis of PDEs (math.AP)

Dateibeschreibung: application/xml

Zugangs-URL: http://arxiv.org/abs/2406.13288
https://zbmath.org/7991292
https://doi.org/10.1016/j.jde.2024.12.051

Numerical and theoretical analysis of shock wave interactions with abrupt area changes

Autoren: Trevor Kickliter Vishal Acharya Tim Lieuwen

Quelle: Journal of Fluid Mechanics. 1007

Schlagwörter: asymptotic analysis, quasi-one-dimensional model, second-order finite difference method, perturbation method, Asymptotic methods, singular perturbations applied to problems in fluid mechanics, Shock waves and blast waves in fluid mechanics, shock reflection/transmission, Finite difference methods applied to problems in fluid mechanics, Rankine-Hugoniot relation

Dateibeschreibung: application/xml

Zugangs-URL: https://zbmath.org/8020209
https://doi.org/10.1017/jfm.2025.38

Electroosmotic blood flow in tapered arteries with stenosis and aneurysm

Autoren: Anandasrinivasan, S. Tamil Selvi, R. Ponalagusamy, R.

Quelle: Journal of Engineering Mathematics. 151

Schlagwörter: Physiological flow, electric potential function, perturbation method, Non-Newtonian fluids, Asymptotic methods, singular perturbations applied to problems in fluid mechanics, Magnetohydrodynamics and electrohydrodynamics, Physiological flows, Casson-Williamson fluid, wall shear stress, Debye-Hückel approximation, linearized Poisson-Boltzmann equation

Dateibeschreibung: application/xml

Zugangs-URL: https://zbmath.org/8031381
https://doi.org/10.1007/s10665-025-10431-0

A swimming bacterium in a two-fluid model of a polymer solution

Autoren: Sabarish V. Narayanan Donald L. Koch Sarah Hormozi

Quelle: Journal of Fluid Mechanics. 1001

Schlagwörter: 0301 basic medicine, 0303 health sciences, entangled polymer solution, Newtonian fluid, Biopropulsion in water and in air, Asymptotic methods, singular perturbations applied to problems in fluid mechanics, Fluid Dynamics (physics.flu-dyn), FOS: Physical sciences, Physics - Fluid Dynamics, Condensed Matter - Soft Condensed Matter, Stokes and related (Oseen, etc.) flows, 03 medical and health sciences, slender body theory, Soft Condensed Matter (cond-mat.soft), Liquid-liquid two component flows, Biomechanics, asymptotic solution

Dateibeschreibung: application/xml

Zugangs-URL: http://arxiv.org/abs/2404.03540

Multidimensional Stability and Transverse Bifurcation of Hydraulic Shocks and Roll Waves in Open Channel Flow: Multidimensional stability and transverse bifurcation of hydraulic shocks and roll waves in open channel flow

Autoren: Zhao Yang Kevin Zumbrun

Quelle: Journal of Mathematical Fluid Mechanics. 27

Schlagwörter: inclined shallow-water flow, Asymptotic methods, singular perturbations applied to problems in fluid mechanics, Evans-Lopatinsky function, Basic methods in fluid mechanics, explicit/semi-explicit package Clawpack, PDEs in connection with fluid mechanics, Shock waves and blast waves in fluid mechanics, Interfacial stability and instability in hydrodynamic stability, high-frequency asymptotic solution, Mathematics - Analysis of PDEs, FOS: Mathematics, Jets and cavities, cavitation, free-streamline theory, water-entry problems, airfoil and hydrofoil theory, sloshing, inviscid Saint Venant equations, Analysis of PDEs (math.AP)

Dateibeschreibung: application/xml

Zugangs-URL: http://arxiv.org/abs/2309.08870

Far Fields Asymptotics of Internal Gravity Waves from a Pulse Localized Source in a Rotating Stratified Medium: Far fields asymptotics of internal gravity waves from a pulse localized source in a rotating stratified medium

Autoren: Bulatov, V. V. Vladimirov, I. Yu.

Quelle: Прикладная математика и механика. 87:432-441

Schlagwörter: Stratification effects in inviscid fluids, wave front, Internal waves for incompressible inviscid fluids, amplitude-phase wave structure, Asymptotic methods, singular perturbations applied to problems in fluid mechanics, 0103 physical sciences, nonuniform asymptotic solution, General theory of rotating fluids, Airy function, 01 natural sciences, 0105 earth and related environmental sciences

Dateibeschreibung: application/xml

Zugangs-URL: https://zbmath.org/7872743
https://doi.org/10.1134/s0015462823602152

Asymptotic adaptive methods for multi-scale problems in fluid mechanics

Autoren: Claus-Dieter Munz T. Schneider Rupert Klein et al.

Quelle: Practical Asymptotics ISBN: 9789401038270

Schlagwörter: atmospheric flows, low-Mach-number weakly compressible flows, Asymptotic methods, singular perturbations applied to problems in fluid mechanics, Magnetohydrodynamics and electrohydrodynamics, General aerodynamics and subsonic flows, magnetohydrodynamics, multiple-scale analysis, asymptotic adaptive methods, singular limit regimes

Dateibeschreibung: application/xml

Zugangs-URL: http://publications.imp.fu-berlin.de/505/
http://publications.mi.fu-berlin.de/505/
https://link.springer.com/10.1007%2F978-94-010-0698-9_14
https://rd.springer.com/chapter/10.1007/978-94-010-0698-9_14
https://link.springer.com/article/10.1023%2FA%3A1004844002437

Uniform Asymptotics of Internal Gravitational Wave Fields from an Initial Radially Symmetric Perturbation: Uniform asymptotics of internal gravitational wave fields from an initial radially symmetric perturbation

Autoren: Bulatov, V. V. Vladimirov, I. Yu.

Quelle: Fluid Dynamics. 56:1112-1118

Schlagwörter: Stratification effects in inviscid fluids, far field, Internal waves for incompressible inviscid fluids, Asymptotic methods, singular perturbations applied to problems in fluid mechanics, 0103 physical sciences, buoyancy frequency, squared Airy function, 0101 mathematics, Fourier-Hankel transform, 01 natural sciences, stratified medium

Dateibeschreibung: application/xml

An enthalpy-based model for the physics of ice-crystal icing

Autoren: Timothy Peters Josh Shelton Hui Tang et al.

Weitere Verfasser: Timothy Peters Josh Shelton Hui Tang et al.

Quelle: Journal of Fluid Mechanics. 1001

Schlagwörter: MCC, Thermodynamics of continua, scaling law, T-NDAS, Asymptotic methods, singular perturbations applied to problems in fluid mechanics, Fluid Dynamics (physics.flu-dyn), FOS: Physical sciences, Multiphase and multicomponent flows, Physics - Fluid Dynamics, 01 natural sciences, Finite difference methods applied to problems in fluid mechanics, Stefan problems, phase changes, etc, mixed-phase accretion layer model, 13. Climate action, Solidifcation/melting, 0103 physical sciences, solidification, freezing/non-freezing condition, Icing, finite difference method, asymptotic solution

Dateibeschreibung: application/xml; application/pdf

Zugangs-URL: http://arxiv.org/abs/2403.20071
https://hdl.handle.net/10023/31305

Electromagnetohydrodynamic two-phase flow of immiscible electrolytes through an undulating hydrophobic microchannel

Autoren: Rana, Amalendu Shit, Gopal Chandra Reza, Motahar et al.

Quelle: Journal of Engineering Mathematics. 151

Schlagwörter: Laplace/Poisson equation, perturbation method, Asymptotic methods, singular perturbations applied to problems in fluid mechanics, surface roughness, boundary layer thickness, viscous stress, Magnetohydrodynamics and electrohydrodynamics, Liquid-liquid two component flows, magnetic field, zeta potential jump, Stokes flow, Navier slip condition, Stokes and related (Oseen, etc.) flows

Dateibeschreibung: application/xml

A diffusion-based wind turbine wake model

Autoren: Karim Ali Tim Stallard Pablo Ouro

Quelle: Ali, K, Stallard, T & Ouro, P 2024, 'A diffusion-based wind turbine wake model', Journal of Fluid Mechanics, vol. 1001, A13. https://doi.org/10.1017/jfm.2024.1077

Schlagwörter: Diffusion, analytical solution, Mathematical modeling or simulation for problems pertaining to fluid mechanics, diffusion equation, far-wake expansion, Asymptotic methods, singular perturbations applied to problems in fluid mechanics, linear momentum conservation, 0211 other engineering and technologies, 0202 electrical engineering, electronic engineering, information engineering, 02 engineering and technology, Marcum Q-function

Dateibeschreibung: application/xml

A long-wave model for a falling upper convected Maxwell film inside a tube

Autoren: Roberto Camassa H. Reed Ogrosky Jeffrey Olander

Quelle: Journal of Fluid Mechanics. 1001

Schlagwörter: Plateau-Rayleigh instability, Absolute and convective instability and stability in hydrodynamic stability, linear stability analysis, Asymptotic methods, singular perturbations applied to problems in fluid mechanics, 0103 physical sciences, absolute/convective instability, viscoelastic falling film, Viscoelastic fluids, 01 natural sciences, Thin fluid films, Interfacial stability and instability in hydrodynamic stability, asymptotic solution

Dateibeschreibung: application/xml

Internal Gravity Waves from a Localized Source in Stratified Medium Flow with a Model Buoyancy Frequency Distribution: Internal gravity waves from a localized source in stratified medium flow with a model buoyancy frequency distribution

Autoren: Bulatov, V. V. Vladimirov, Yu. V.

Quelle: Computational Mathematics and Mathematical Physics. 63:1476-1485

Schlagwörter: Stratification effects in inviscid fluids, numerical solution, Internal waves for incompressible inviscid fluids, dispersion relation, perturbation source, wave mode, Asymptotic methods, singular perturbations applied to problems in fluid mechanics, Basic methods in fluid mechanics, Bessel function, Boussinesq approximation, asymptotic solution

Dateibeschreibung: application/xml

Zugangs-URL: https://zbmath.org/7752277
https://doi.org/10.1134/s0965542523080043

Principle of fundamental resonance in hypersonic boundary layers: an asymptotic viewpoint

Autoren: Runjie Song Ming Dong Lei Zhao

Quelle: Journal of Fluid Mechanics. 978

Schlagwörter: Asymptotic methods, singular perturbations applied to problems in fluid mechanics, planar fundamental mode, large-Reynolds-number asymptotic solution, Fluid Dynamics (physics.flu-dyn), FOS: Physical sciences, Physics - Fluid Dynamics, 01 natural sciences, Transition to turbulence, 0103 physical sciences, Boundary-layer theory for compressible fluids and gas dynamics, boundary layer stability, oblique/fundamental mode interaction, Hypersonic flows, Nonlinear effects in hydrodynamic stability, transition to turbulence, Parallel shear flows in hydrodynamic stability

Dateibeschreibung: application/xml

Zugangs-URL: http://arxiv.org/abs/2312.03247

The drag on a rising sphere along the axis in a short rotating cylinder of fluid: revisiting the data and theory

Autoren: M. Ungarish

Quelle: Journal of Fluid Mechanics. 979

Schlagwörter: Navier-Stokes equations for incompressible viscous fluids, Asymptotic methods, singular perturbations applied to problems in fluid mechanics, semi-empirical correction, General theory of rotating fluids, 02 engineering and technology, 01 natural sciences, Ekman layer transport, drag formula, angular velocity, 0103 physical sciences, rotating flow, linear thin viscous layer theory, quasi-geostrophic approximation, 0204 chemical engineering, asymptotic solution

Dateibeschreibung: application/xml

Zugangs-URL: https://zbmath.org/7796321
https://doi.org/10.1017/jfm.2023.1093

Analytic Properties of Solutions to the Equation of Internal Gravity Waves with Flows for Critical Modes of Wave Generation: Analytic properties of solutions to the equation of internal gravity waves with flows for critical modes of wave generation

Autoren: Bulatov, V. V.

Quelle: Proceedings of the Steklov Institute of Mathematics. 322:65-76

Schlagwörter: Stratification effects in inviscid fluids, Internal waves for incompressible inviscid fluids, linear wave, Asymptotic methods, singular perturbations applied to problems in fluid mechanics, incomplete gamma function, buoyancy frequency, Taylor-Goldstein equation, stratified horizontal shear flow, asymptotic solution

Dateibeschreibung: application/xml

Zugangs-URL: https://zbmath.org/7781663
https://doi.org/10.1134/s0081543823040065

Asymptotics of the Far Fields of Internal Gravity Waves Excited by a Source of Radial Symmetry: Asymptotics of the far fields of internal gravity waves excited by a source of radial symmetry

Autoren: Vitaly V. Bulatov Yu. V. Vladimirov

Quelle: Fluid Dynamics. 56:672-677

Schlagwörter: Internal waves for incompressible inviscid fluids, Asymptotic methods, singular perturbations applied to problems in fluid mechanics, buoyancy frequency, Airy function, internal gravity wave, 01 natural sciences, burst source, Stratification effects in inviscid fluids, isopycnic line, 0103 physical sciences, far field asymptotic solution, Fourier-Hankel transform, stratified fluid, 0105 earth and related environmental sciences

Dateibeschreibung: application/xml

Zugangs-URL: https://link.springer.com/content/pdf/10.1134/S0015462821050013.pdf
https://link.springer.com/article/10.1134/S0015462821050013
https://paperity.org/p/271760758/asymptotics-of-the-far-fields-of-internal-gravity-waves-excited-by-a-source-of-radial
https://link.springer.com/content/pdf/10.1134/S0015462821050013.pdf
http://ui.adsabs.harvard.edu/abs/2021FlDy...56..672B/abstract