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This paper considers the Cauchy problem of equations for the viscous compressible and heat-conductive fluids in the two-dimensional(2D) space. We establish the local existence theory of unique strong solution under some initial layer…

偏微分方程分析 · 数学 2019-07-25 Zhilei Liang

We examine a simple hard disc fluid with no long range interactions on the two dimensional space of constant negative Gaussian curvature, the hyperbolic plane. This geometry provides a natural mechanism by which global crystalline order is…

软凝聚态物质 · 物理学 2008-04-29 Carl D. Modes , Randall D. Kamien

The existence and uniqueness of the local strong solution to the three-dimensional compressible viscoelastic fluids near the equilibrium is established. In addition to the uniform estimates on the velocity, some essential uniform estimates…

偏微分方程分析 · 数学 2010-01-21 Xianpeng Hu , Dehua Wang

In this paper we consider the problem of viscosity solution of integro-partial differential equation(IPDE in short) via the solution of backward stochastic differential equations(BSDE in short) with jumps where L\'evy's measure is not…

概率论 · 数学 2018-09-11 Lamine Sylla

The two-body interaction in dilute solutions of polymer chains in good solvents can be modeled by means of effective bounded potentials, the simplest of which being that of penetrable spheres (PSs). In this paper we construct two simple…

软凝聚态物质 · 物理学 2007-08-19 Alexandr Malijevsky , Santos B. Yuste , Andres Santos

We offer a simple Monte-Carlo method for solving of the multidimensional initial value and non-homogeneous problem for the Navier-Stokes Equations in whole space when the initial function and right hand side belong to the correspondent…

数值分析 · 数学 2014-07-23 E. Ostrovsky , L. Sirota

In this paper we propose a numerical method to solve a 2D advection-diffusion equation, in the highly oscillatory regime. We use an efficient and robust integrator which leads to an accurate approximation of the solution without any time…

数值分析 · 数学 2023-07-27 Clarissa Astuto , Mohammed Lemou , Giovanni Russo

An exact, closed form solution to the scalar Yukawa system in four dimensions is presented. The formalism is used to state and prove a theorem on the initial value problem. The method also works for a general, iso-vector form of the…

数学物理 · 物理学 2010-06-22 T. Mark Harder , Thomas K. DeLillo

An analytic solution is presented to the three-dimensional problem of steady axisymmetric fluid flow through an accretion disk. The solution has been obtained through a systematic expansion in the small parameter epsilon =H/R (the ratio of…

天体物理学 · 物理学 2007-05-23 W. Kluzniak , D. Kita

We generalize the non-linear one-dimensional equation of a fluid layer for any depth and length as an infinite order differential equation for the steady waves. This equation can be written as a q-differential one, with its general solution…

q-alg · 数学 2009-10-30 A. Ludu , R. A. Ionescu , W. Greiner

The theory of weak solutions for nonlinear conservation laws is now well developed in the case of scalar equations [3] and for one-dimensional hyperbolic systems [1, 2]. For systems in several space dimensions, however, even the global…

偏微分方程分析 · 数学 2007-05-23 Alberto Bressan

In this paper, we study the Cauchy problem to the 3D fractional compressible isentropic generalized Navier-Stokes equations for viscous compressible fluid with one Levy diffusion process. We obtain the existence and uniqueness of global…

偏微分方程分析 · 数学 2024-07-03 Mengqian Liu , Lei Niu , Zhigang Wu

We study spherically symmetric solutions to the Jordan-Brans-Dicke field equations under the assumption that the space-time may possess an arbitrary number of spatial dimensions. Assuming a perfect fluid with the equation of state, we show…

广义相对论与量子宇宙学 · 物理学 2007-05-23 S. M. Kozyrev

In [Lacave, IHP, ana, to appear (2008)] the author considered the two dimensional Euler equations in the exterior of a thin obstacle shrinking to a curve and determined the limit velocity. In the present work, we consider the same problem…

偏微分方程分析 · 数学 2009-02-13 Christophe Lacave

In this paper we develop a systematic reduction procedure for determining intermediate integrals of second order hyperbolic equations so that exact solutions of the second order PDEs under interest can be obtained by solving first order…

数学物理 · 物理学 2024-05-07 Natale Manganaro , Alessandra Rizzo

In a previous paper (J. Zhang {\it et al.}, J. Chem. Phys. {\bf 110}, 5318 (1999)) we introduced a model for polydisperse hard sphere mixtures that is able to adjust its particle-size distribution. Here we give the explanation of the…

软凝聚态物质 · 物理学 2009-11-07 Ronald Blaak , Jose A. Cuesta

A kinetic-fluid model describing the evolutions of disperse two-phase flows is considered. The model consists of the Vlasov-Fokker-Planck equation for the particles (disperse phase) coupled with the compressible Navier-Stokes equations for…

偏微分方程分析 · 数学 2017-04-06 Fucai Li , Yanmin Mu , Dehua Wang

A method for calculating pair correlation functions in a crystal is developed. The method is based on separating the one- and two- particle correlation functions into the symmetry conserving and the symmetry broken parts. The conserving…

软凝聚态物质 · 物理学 2015-06-19 Anubha Jaiswal , Atul S. Bharadwaj , Yashwant Singh

Recently the combination of the well-known Cahn-Hilliard and Allen-Cahn equations was used to describe surface processes, such as simultaneous adsorption/desorption and surface diffusion. In the present paper we have considered the…

计算物理 · 物理学 2020-02-21 P. O. Mchedlov-Petrosyan , L. N. Davydov

In this paper, we provide a procedure to solve the eigen solutions of Dirac equation with complicated potential approximately. At first, we solve the eigen solutions of a linear Dirac equation with complete eigen system, which approximately…

综合物理 · 物理学 2017-12-08 Ying-Qiu Gu