FINITE AMPLITUDE LONGITUDINAL WAVES IN LATTICES

被引：27

作者：

MANVI, R

DUVALL, GE

LOWELL, SC

机构：

[1] Shock Dynamics Laboratory, Department of Physics, Washington State University, Pullman, WA

来源：

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES | 1969年 / 11卷 / 01期

关键词：

D O I：

10.1016/0020-7403(69)90075-7

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The system analyzed in this paper consists of a semi-infinite chain of mass points with linear and nonlinear nearest neighbor interaction. There is no dissipation in the system. A finite velocity step is applied at the first mass point at zero time to generate a shock-like disturbance in the system. Explicit solution of the linear case is extended to the nonlinear case by a time-averaging procedure. The approximate solution thus obtained compares favorably with numerical solutions and provides enhanced understanding of the physics of the system. © 1969.

引用

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