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THE DETERMINATION OF COMPUTATIONAL PARAMETERS IN TYPHOON NUMERICAL MODELS

Gao Bo (National Climate Center, Beijing, 100081)Gao Guodong and Lu Yurong)(Department of Atmospheric Sciences, Nanjing University, Nanjing,210093)  
Optimal computational parameters are determined through comparisons of typhoon track for similarity relevant to vdrious sets of computational parameters using a simple quasi-geostrophic barotropic vorticity equations model. The result: the Poisson equation is solved for numerical solutions at an iterative accuracy of 1.0 × 10-4 and a time step of 20 min.
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