 
מכניקת הרצף גאופיזית  זורמים
Introductory Continuum Mechanics  Fluids 
0341200901  

מדעים מדויקים  גיאופיסיקה ומדעים פלנטריים  

The continuum assumption and the Knudsen number. Strain and stress in ideal, Newtonian and rheological fluids. Eulerain and Lagrangian temporal derivatives in the continuity equation. Body and surface hydrodynamic forces composing the NavierStokes equation. Energy balance and the Bernoulli potential. Vorticity and circulation in barotropic and baroclinic flows. Potential flow and the CauchyRiemann conditions. Flow around bodies with and without circulation. The Magnus effect and the KuttaZhukowsky lift theorem. Waves in continuous media: sound waves and shallow and deep gravity waves. Phase versus group velocity and dispersion relation. Lagrangian trajectories and the Stokes drift. Instability of shear flow: The Rayleigh and Fjortoft necessary conditions for shear instability and the conservation of waveaction and pseudoenergy. KelvinHelmholtz instability and the Richardson number criterion. Thermal instability: RayleighTaylor and RayleighBenard convection. Spectral truncation and the Lorenz low order chaos model. The butterfly effect and the notion of strange attractor.