Exact description of nonlinear three-dimensional acoustic waves in barotropic gas

被引：0

作者：

Bodunova, Yu. P. ^{[1
]}

Potapov, A. I. ^{[1
]}

机构：

[1] Alekseev State Tech Univ Nizhni Novgorod, Nizhnii Novgorod 603950, Russia

来源：

ACOUSTICAL PHYSICS | 2010年 / 56卷 / 05期

基金：

俄罗斯基础研究基金会;

关键词：

Acoustical Physic; Nonlinear Acoustics; Dimensional Equation; Adiabatic Exponent; Small Wave Amplitude;

D O I：

10.1134/S1063771010050039

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

It was shown that a full system of the three-dimensional equations of gas dynamics at the arbitrary amplitude of the sound wave can be reduced to an equation for the potential of the speed field. The full equation of acoustics includes summands that are both square and cubic in the wave amplitude. At a small wave amplitude, the equation degenerates into the known approximate equation of nonlinear acoustics.

引用

页码：623 / 625

页数：3

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