Research Article
A Finite Difference Method for Solving Unsteady Fractional Oldroyd-B Viscoelastic Flow Based on Caputo Derivative
Table 1
The relative error of the velocity on the centerline with time for three group coefficients.
| Time (s) | Error 1 | Error 2 | Error 3 |
| 0.006 | 0.05384 | 0.04027 | 0.02548 | 0.012 | 0.05767 | 0.05164 | 0.02863 | 0.018 | 0.05973 | 0.06123 | 0.03205 | 0.024 | 0.03959 | 0.05671 | 0.03534 | 0.030 | 0.02836 | 0.05110 | 0.03863 | 0.036 | 0.01603 | 0.04329 | 0.04151 | 0.042 | 0.00959 | 0.03548 | 0.04356 | 0.048 | 0.00589 | 0.03178 | 0.04192 | 0.054 | 0.00890 | 0.02288 | 0.03986 | 0.060 | 0.01164 | 0.01836 | 0.03836 | 0.066 | 0.01397 | 0.01397 | 0.03740 | 0.072 | 0.01644 | 0.01014 | 0.03630 | 0.078 | 0.01932 | 0.00685 | 0.03534 | 0.084 | 0.02247 | 0.00329 | 0.03247 | 0.090 | 0.02493 | 0.00027 | 0.02562 | 0.096 | 0.02740 | 0.00301 | 0.01849 | 0.102 | 0.02959 | 0.00507 | 0.01521 | 0.108 | 0.03178 | 0.00699 | 0.01247 | 0.114 | 0.03384 | 0.00904 | 0.01411 | 0.120 | 0.03534 | 0.01137 | 0.01562 |
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