Nonlinear wave analysis for layered inhomogeneous elastic tubes

被引：0
|
作者：
F. Farsaci
A. Palumbo
机构：
[1] Instituto di Tecniche Spettroscopiche,
[2] C.N.R. C. da Papardo,undefined
[3] Salita Sperone 31,undefined
[4] 98166 Sant' Agata,undefined
[5] Messina,undefined
[6] Italy,undefined
[7] Fax 90-392855 ,undefined
[8] Dipartimento di Meccanica dei fluidi,undefined
[9] ed Ingegneria offshore,undefined
[10] via Cuzzocrea 48,undefined
[11] 89168 Reggio Calabria,undefined
[12] Italy ,undefined
来源：
Zeitschrift für angewandte Mathematik und Physik ZAMP | 1997年 / 48卷
关键词：
Key words.Nonlinear wave analysis, propagation of weak discontinuities, critical time.;
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学科分类号：
摘要：
In this paper group properties are investigated for the nonlinear flow in fluid filled elastic tubes. Under suitable conditions and using canonical variables the governing system has been written in autonomous form. The evolution law for amplitude discontinuities has been investigated and critical time has been discussed. Futhermore, the propagation of weak discontinuities has been considered through a layered half space. The amplitude of the transmitted and reflected discontinuities across each layer is determined in terms of the initial conditions. Then the critical time in each layer has been calculated.
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页码：9 / 19
页数：10
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