(Last updated: December 25, 2012)

Large-Eddy-Simulation Package

Authors: Dr. Mikio Nakanishi [naka(at)nda.ac.jp] and Prof. Hiroshi Niino
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Download

Fortran code (version 1.0, November 2012): les_ver1.tgz
Fortran code (provisional version, September 2008): les_for_es.tgz
Note: Whenever you use this code, please quote either of the references below.

References

Nakanishi, M. and H. Niino, 2012: Large-eddy simulation of roll vortices in a hurricane boundary layer. J. Atmos. Sci., 69, 3558-3575.
Nakanishi, M., 2000: Large-eddy simulation of radiation fog. Boundary-Layer Meteor., 94, 461-493.

ChangeLog

2012-11-14 * Added a POD (Proper Orthogonal Decomposition) software. The POD software needs Intel MKL (LAPACK).
2008-09-01 * Fixed a bug for Sullivan's scheme (sgs.f).
2005-10-01 * Added an input module of observations and considered the vertical distribution of the geostrophic wind.
2005-07-01 * Announced release of les_for_es (old version).

Acknowledgements

This work was supported by Research Revolution 2002 (RR2002) of Project for Sustainable Coexistence of Human, Nature and the Earth of the MEXT of the Japanese Government.
The FFT package for solving the Poisson equation was provided by the Japan Meteorological Agency.

A simulation of Day 33 of the Wangara experiment

Horizontal distributions

Fig. 1. Horizontal distributions of w (contour) and theta' (=theta-<theta>; color).

Vertical distributions

Fig. 2. Vertical distributions of (u,w; arrow), theta (contour), and theta' (color).