Back to Article
Compact Difference Schemes Combined with Runge-Kutta Methods for Solving Unsteady Convection-Diffusion
Universal Journal of Physics Research
| Vol 1, Issue 1
Table 2. The absolute error forvarious values of t, where his 0.01 and Δt is 0.5h2.
| t | x = 0.1 | x = 0.3 | x = 0.5 | x = 0.7 | x = 0.9 | |||||
| P.M | CN.M | P.M | CN.M | P.M | CN.M | P.M | CN.M | P.M | CN.M | |
| 0.2 | 1.551E-009 | 9.770E-006 | 6.236E-009 | 2.674E-005 | 1.655E-008 | 3.456E-005 | 3.943E-008 | 2.921E-005 | 8.450E-008 | 1.162E-005 |
| 0.4 | 6.331E-009 | 7.250E-006 | 2.185E-008 | 1.984E-005 | 4.491E-008 | 2.563E-005 | 7.997E-008 | 2.167E-005 | 1.306E-007 | 8.636E-006 |
| 0.6 | 1.052E-008 | 4.034E-006 | 3.432E-008 | 1.104E-005 | 6.418E-008 | 1.426E-005 | 1.025E-007 | 1.205E-005 | 1.507E-007 | 4.807E-006 |
| 0.8 | 1.299E-008 | 1.995E-006 | 4.146E-008 | 5.460E-006 | 7.459E-008 | 7.054E-006 | 1.136E-007 | 5.963E-006 | 1.593E-007 | 2.378E-006 |
| 1 | 1.425E-008 | 9.253E-007 | 4.504E-008 | 2.531E-006 | 7.965E-008 | 3.270E-006 | 1.18E-007 | 2.765E-006 | 1.629E-007 | 1.102E-006 |