Modeling of Atmospheric Chemistry by Guy P Brasseur & Daniel J Jacob

Author:Guy P Brasseur & Daniel J Jacob
Language: eng
Format: azw3
ISBN: 9781107146969
Publisher: Cambridge University Press
Published: 2017-05-31T04:00:00+00:00

Figure 7.10 Comparison between exact analytic (red) and numerical (black) solutions of the 1-D advection equation for a square function. The velocity c is constant. The different numerical algorithms are labeled in the panels. The original square function is centered at x = 20 and the adopted Courant number is equal to 0.5. The periodic boundary condition for the advected field is zero at x = 0 and x = 100. The results are shown after 40 time steps. The Euler forward algorithm is unstable (note the different scale used for the y-axis).

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