Non-linear three dimensional spectral model of the Venusian thermosphere with super-rotation - I. Formulation and numerical technique
Abstract
We describe the mathematical formulation of a three dimensional spectral model for a multi-constituent thermosphere without intrinsic magnetic field, applicable to Venus. Spherical harmonics are used to represent the horizontal variations in latitude and longitude. Fourier harmonics are used to represent the Local Time variations due to atmospheric rotation. The height integration is carried out employing a difference scheme with tridiagonal block elimination. Quadratic non-linearities are considered and are evaluated analytically. The model can be run on a minicomputer, and results are presented in an accompanying paper (Mengel et al., 1989, Planet. Space Sci. 37, 707).
- Publication:
-
Planetary and Space Science
- Pub Date:
- June 1989
- DOI:
- 10.1016/0032-0633(89)90040-8
- Bibcode:
- 1989P&SS...37..701S
- Keywords:
-
- Atmospheric Composition;
- Atmospheric Models;
- Spectral Methods;
- Thermosphere;
- Three Dimensional Models;
- Venus Atmosphere;
- Atmospheric Circulation;
- Atmospheric Heating;
- Atmospheric Temperature;
- Gas Mixtures;
- Navier-Stokes Equation;
- Spherical Harmonics;
- Wind Profiles;
- Lunar and Planetary Exploration