4.1. Finite DitTerence Methods
81
FIGURE 4.2. Comparison between analytical and numerical
solutions of the implicit ditTerence when Pe = 0.5, t = 40d.
- - = analytical solution; • =
numerical solution.
CI Co
FIGURE 4.3. Comparison between
C I Co
analytical and numerical solutions
of the implicit ditTerence when
1.01-.:=il7"=~==t!----1"\.
Pe = 100, t = 50d. - - = analytical solution; 0 = numerical
solution.
FIGURE 4.4. Comparison between
analytical and numerical solutions
in the case of pure convection,
when Pe = 00. - - = analytical
solution; 0 = numerical solution.
0.6
0.2
o
CICo
Pe
70
~--------------~--~--~-~~~~x