Numerical Simulations of the Inviscid Primitive Equations in a Limited Domain

  • A. Rousseau
  • R. Temam
  • J. Tribbia
Part of the Advances in Mathematical Fluid Mechanics book series (AMFM)


This work is dedicated to the numerical computations of the primitive equations (PEs) of the ocean without viscosity with the nonlocal (mode by mode) boundary conditions introduced in [RTT05b]. We consider the 2D nonlinear PEs, and firstly compute the solutions in a “large” rectangular domain Ω0 with periodic boundary conditions in the horizontal direction. Then we consider a subdomain Ω1, in which we compute a second numerical solution with transparent boundary conditions. Two objectives are achieved. On the one hand the absence of blow-up in these computations indicates that the PEs without viscosity are well posed when supplemented with the boundary conditions introduced in [RTT05b]. On the other hand they show a very good coincidence on the subdomain Ω1 of the two solutions, thus showing also the computational relevance of these new boundary conditions. We end this study with some numerical simulations of the linearized primitive equations, which correspond to the theoretical results established in [RTT05b], and evidence the transparent properties of the boundary conditions.


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Copyright information

© Birkhäuser Verlag Basel/Switzerland 2006

Authors and Affiliations

  • A. Rousseau
    • 1
  • R. Temam
    • 2
  • J. Tribbia
    • 3
  1. 1.Laboratoire d’Analyse NumériqueUniversité Paris-SudOrsayFrance
  2. 2.The Institute for Scientific Computing and Applied MathematicsIndiana UniversityBloomingtonUSA
  3. 3.National Center for Atmospheric ResearchBoulderUSA

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