Research Article
Investigation of Relaxation Time on Viscoelastic Two-Dimensional Flow Characteristics Using FreeFem++
Table 2
Vertical velocity component “
” for Re = 200 and Re = 1000 with varying values of the fluid relaxation parameter.
| | Re = 200 | Re = 1000 |
| Rf | 0.0 | 5.0e-03 | 1.0e-02 | 0.0 | 2.0e-03 | 3.0e-03 | 4.0e-03 | (−0.4375;0.0625) | −0.0028463 | −0.00295 | −0.00304 | −0.00894 | −0.00892 | −0.00883 | −0.0085 | (−0.375;0.0625) | 0.00278488 | 0.002681 | 0.002603 | −0.00709 | −0.00707 | −0.00687 | −0.00528 | (−0.3125;0.0625) | 0.0223357 | 0.022341 | 0.022417 | 0.012148 | 0.012473 | 0.013114 | 0.017553 | (−0.25;0.0625) | 0.11937 | 0.120209 | 0.121301 | 0.15859 | 0.15996 | 0.160095 | 0.15937 | (−0.1875;0.0625) | 0.240211 | 0.243157 | 0.246468 | 0.269763 | 0.271332 | 0.269374 | 0.254121 | (−0.125;0.0625) | 0.245026 | 0.248092 | 0.251353 | 0.275032 | 0.276508 | 0.274746 | 0.261233 | (−0.0625;0.0625) | 0.211699 | 0.214401 | 0.217148 | 0.226727 | 0.226888 | 0.225338 | 0.215756 | (0.0; 0.0625) | 0.159801 | 0.161952 | 0.164013 | 0.14581 | 0.145365 | 0.144234 | 0.137739 | (0.0625;0.0625) | 0.0885403 | 0.089844 | 0.090932 | 0.063804 | 0.063391 | 0.062551 | 0.056993 | (0.125;0.0625) | −0.0018371 | −0.00158 | −0.00163 | −0.01235 | −0.01281 | −0.01355 | −0.01922 | (0.1875;0.0625) | −0.107099 | −0.10807 | −0.10939 | −0.08679 | −0.08746 | −0.08826 | −0.09491 | (0.25;0.0625) | −0.214806 | −0.21728 | −0.22007 | −0.16888 | −0.16964 | −0.17084 | −0.18173 | (0.3125;0.0625) | −0.29301 | −0.29694 | −0.30103 | −0.27401 | −0.27493 | −0.27618 | −0.28749 | (0.375;0.0625) | −0.288203 | −0.29211 | −0.29585 | −0.3625 | −0.36493 | −0.36319 | −0.34152 | (0.4375;0.0625) | −0.168197 | −0.16994 | −0.17139 | −0.21667 | −0.21569 | −0.20769 | −0.15334 |
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