SOLITARY WAVES IN COMPRESSIBLE MEDIA,

Abstract

Solitary waves in compressible media of finite depth and infinite depth are studied. The critical speeds are first obtained from the linearized equations and then confirmed by the results of the nonlinear theory. Explicit expressions for the solitary waves are established by a perturbation scheme applied to the nonlinear equations. The case of a polytropic compressible medium of finite depth at rest in the state of equilibrium is studied. Solitary waves in compressible medium of infinite depth are investigated. The former concerns two isothermal layers at rest in the state of equilibrium separated by a contact surface; the latter, an isothermal layer with non-uniform velocity distribution at equilibrium. It is found that solitary waves vanish at certain values of characteristic parameters introduced in each case, and especially no solitary wave solution exists for an isothermal layer of infinite depth. (Author)

Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1964
Accession Number
AD0606792

Entities

People

  • M. C. Shen

Organizations

  • New York University

Tags

DTIC Thesaurus Topics

  • Arrhenius Equation
  • Equations
  • Mathematics
  • Perturbations
  • Solitons
  • Waves

Fields of Study

  • Mathematics

Readers

  • Calculus or Mathematical Analysis
  • Coastal Oceanography
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)