The Isochoric Approximation

  • Radyadour Zeytounian


As was already explained in Chap. 3 (see Subsect. 3.3.4), when a so-called isochoric approximation1 is carried out, quasi-incompressible atmospheric phenomena which are non-homogeneous (stratified with the altitude) are, in fact, considered. This isochoric approximation leads to the conservation of the density (the so-called equation of isochoricity):
$$\frac{{D\varrho }}{{Dt}} = 0,$$
when the adiabatic atmosphere (Re ≡ ∞) is considered.


Solitary Wave Internal Wave Isochoric Flow Boussinesq Approximation Solitary Internal Wave 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1990

Authors and Affiliations

  • Radyadour Zeytounian
    • 1
  1. 1.Laboratoire de Mécanique, de LilleUniversité de Lille IVillenueve d’Ascq CédexFrance

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