Pattern formation and localized structures in acoustic resonators containing a viscous fluid

被引：0

作者：

Perez-Arjona, Isabel ^{[1
]}

Sanchez-Morcillo, Victor J. ^{[1
]}

de Valcarcel, German J. ^{[2
]}

Espinosa, Victor ^{[1
]}

Martinez-Mora, Joan ^{[1
]}

机构：

[1] Univ Politecn Valencia, Inst Invest Gestio Integrada Zones Costaneres, Carreterra Nazaret Oliva S-N, Valencia 46730, Spain

[2] Univ Valencia, Dept Opt, E-46003 Valencia, Spain

来源：

NONLINEAR ACOUSTICS FUNDAMENTALS AND APPLICATIONS | 2008年 / 1022卷

关键词：

pattern formation; localized structures; acoustic resonators;

D O I：

暂无

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

The model equations describing a large-aspect acoustic resonator have been developed. A new type of robust localized structure, an ultrasonic cavity soliton, is exhibited by the system, both in the thermal and the pressure field. The existence of this structure has been proved by the numerical integration of the model equations. Previous experimental results show a good agreement with the theoretical predictions. A generalized Swift-Hohenberg equation has been derived in a limit, relating the thermoacoustic resonator with a larger set of pattern forming systems.

引用

页码：147 / +

页数：2

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