Title: Specialization: 010700/19 «Physics»
Author: Демонстрационная версия
Last saved by: UserXP
Company: Функциональность ограничена

Specialization: 010700/19 Radiophysics 
Program: 510414/38 Non-Linear Acoustics
Program manager: V.A. Pavlov
Department of Radiophysics
Scientific adviser: N.G. Semenova
Reviewer: B.E. Grachev

The velocity field of a transverse viscous wave in a thin layer of fluid 
A.A. Malincheva

The purpose of this paper is to investigate the velocity field of the viscous wave in a thin layer of liquid, using numerical methods. It also attempts to describe qualitatively and quantitatively the experimental results of the nonlinear solution of the Navier - Stokes equations which is solved numerically using the software package COMSOL Multiphysics.
We have obtained the following results:
1. Investigated the behavior of the velocity field for different values ​​of h / δ. It was found that for layers whose thickness is less than and equal to δ, the decay of the velocity becomes very sharp, dependence of the instantaneous velocity of the coordinate - a straight line. It also found that the Reynolds number does not affect the dependence of the relative velocity of the coordinate.
2. We have shown that the calculated correctly viscosity and the solution of the nonlinear Navier - Stokes equations more accurately describes the experimental data than the solution of a linear equation of heat conduction, which were not described satisfactorily. This is due to the possibility of the finite size of the vibrating plate in the solution of nonlinear equations.
3. Investigated the velocity gradients for different values ​​of thickness h, found that with decreasing thickness of the velocity gradients increase, and at h = δ / 4, δ / 2 are almost constant.

The list of the publications 

1. A.A. Malincheva. Numerical simulation of field of transverse waves from the oscillating plates. // XV All-Russian Scientific Conference of Students-radiophysicists. Abstracts. 2011г.