NOGAPS Semi-Lagrangian

Abstract

The long-term goal of this project is to develop new dynamical core that would enable the Navy Operational Global Atmospheric Prediction System (NOGAPS) to achieve higher horizontal and vertical resolution, higher vertical extent, increase meteorological skill, and additional predictive constituents, all without an appreciable increase in run time efficiency. The objective of this project is to develop and transition semi-Lagrangian/semi-implicit (SL/SI) integration algorithm into the NOGAPS. The SL/SI numerical algorithm is the only numerical integration technique that removes the CFL constraint on the system's time step and thus is the only numerical technique that will allow for increased resolution, more dynamical variables, and higher accuracy, without a significant decrease in computational efficiency.

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Document Details

Document Type
Technical Report
Publication Date
Sep 30, 2010
Accession Number
ADA541855

Entities

People

  • Timonthy F. Hogan

Organizations

  • United States Naval Research Laboratory

Tags

DTIC Thesaurus Topics

  • Advection
  • Algorithms
  • Coordinate Systems
  • Efficiency
  • Electronic Mail
  • Equations
  • Errors
  • Geopotential
  • Gravity Waves
  • Grids
  • Hemispheres
  • Interpolation
  • Military Research
  • Northern Hemisphere
  • Numerical Integration
  • Transitions
  • Tropical Cyclones

Readers

  • Atmospheric Science/Meteorology
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Solar Photovoltaics and Thermoelectric Devices.