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 = 200Re = 1000

Rf0.05.0e-031.0e-020.02.0e-033.0e-034.0e-03
(−0.4375;0.0625)−0.0028463−0.00295−0.00304−0.00894−0.00892−0.00883−0.0085
(−0.375;0.0625)0.002784880.0026810.002603−0.00709−0.00707−0.00687−0.00528
(−0.3125;0.0625)0.02233570.0223410.0224170.0121480.0124730.0131140.017553
(−0.25;0.0625)0.119370.1202090.1213010.158590.159960.1600950.15937
(−0.1875;0.0625)0.2402110.2431570.2464680.2697630.2713320.2693740.254121
(−0.125;0.0625)0.2450260.2480920.2513530.2750320.2765080.2747460.261233
(−0.0625;0.0625)0.2116990.2144010.2171480.2267270.2268880.2253380.215756
(0.0; 0.0625)0.1598010.1619520.1640130.145810.1453650.1442340.137739
(0.0625;0.0625)0.08854030.0898440.0909320.0638040.0633910.0625510.056993
(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