Large-eddy simulation. Guidelines for its application to planetary boundary layer research

Details Large-eddy simulation. Guidelines for its application to planetary boundary layer research Large-eddy simulation. Guidelines for its application to planetary boundary layer research

Aug 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984bclo.rept.....w&link_type=abstract

Final Report, Oct. 1983 - Aug. 1984 Battelle Columbus Labs., OH.

Computer Science

Numerical Analysis

Atmospheric Models, Atmospheric Turbulence, Computerized Simulation, Fluid Mechanics, Planetary Boundary Layer, Vortices, Computer Techniques, Data Bases, Dispersions, Numerical Analysis, Technology Transfer, Turbulent Diffusion, Turbulent Flow

Scientific paper

After a review of the current status of turbulence and diffusion modeling in the planetary boundary layer (PBL) and engineering fluid mechanics, the Working Group on Large Eddy Simulation (LES) concluded that inherent uncertainty is a major complication to atmospheric experiments and modeling and that data bases for future models of PBL are unlikely to be derived from field experiments. The roles of LES in quantifying inherent uncertainty and in providing appropriate data bases for analysis are discussed. Long range guidelines for PBL research using LES are presented (1) for the technical components of a program--turbulence theory, computational problems and requirements, physical and numerical experiments and transfer of technology to less complex models--and (2) for the management program to simulate research in environmental fluid mechanics.

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