Summary
The effect of simple quasi-nonhydrostatic approximations in a numerical model of a gravity current are discussed. Two methods for including non-hydrostatic effects are explored. The reasons for the limited success of a first method is discussed briefly.
Similar content being viewed by others
References
Adrian, G., Fiedler, F., 1991: Simulation of unstationary wind and temperature fields over complex terrain and comparison with observations.Beitr. Phys. Atmos.,64(1), 27–48.
Dutton, J. A., Fichtel, G. H., 1969: Approximate equations of motion for gases and liquids.J. Atmos. Sci. 24, 241–254.
Flassak, T., 1990: Ein nicht-hydrostatisches mesoskaliges Modell zur Beschreibung der Dynamik der planetaren Grenzschicht. Fortschritt-Berichte VDI Reihe 15: Umwelttechnik, Nr. 74. Düsseldorf: VDI-Verlag.
Hirt, C. W., Cook, J. L., 1972: Calculating three-dimensional flows around structures and over rough terrain.J. Comp. Phys.,10, 324–340.
Martin, C. L., Pielke, R. A., 1983: The adequacy of the hydrostatic assumption in sea breeze modeling over flat terrain.J. Atmos. Sci.,40 1472–1481.
Roache, P. J., 1976: Computational fluid dynamics Hermosa, Albuquerque, pp. 194.
Ulrich, W., 1991: A Comparison between hydrostatic and nonhydrostatic simulations of gravity currents and their interaction with orography.Meteorol. Atmos. Phys.,46, 1–13.
Author information
Authors and Affiliations
Additional information
With 9 Figures
Rights and permissions
About this article
Cite this article
Ulrich, W.C. Quasi-nonhydrostatic extensions in an anelastic model of a gravity current. Meteorl. Atmos. Phys. 52, 137–145 (1993). https://doi.org/10.1007/BF01031872
Received:
Revised:
Issue Date:
DOI: https://doi.org/10.1007/BF01031872