Table 1 For \(A = 0.002, \, B = 0.1, \, M = 0.00015{\text{ and }}\lambda = 0.01.\)

From: Comparative study of generalized couette flow of couple stress fluid using optimal homotopy asymptotic method and new iterative method

y

OHAM \({\mathbf{W}}_{{\mathbf{\rm O}}}\)

Residual OHAM \({\mathbf{W}}_{{\mathbf{\rm O}}}\)

NIM \({\mathbf{W}}_{N}\)

Residual NIM \({\mathbf{W}}_{N}\)

− 1

8.89043 × 10–18

1.12842 × 10–12

3.73359 × 10–7

− 3.4207 × 10–11

− 0.9

0.0499339

3.1777 × 10–12

0.0499339

− 2.25611 × 10–11

− 0.8

0.0998697

4.14403 × 10–12

0.0998694

− 1.41 × 10–11

− 0.7

0.149809

4.2532 × 10–12

0.149808

− 8.23091 × 10–12

− 0.6

0.199753

3.74221 × 10–12

0.199753

− 4.39301 × 10–12

− 0.5

0.249704

2.84421 × 10–12

0.249703

− 2.07242 × 10–12

− 0.4

0.299663

1.7756 × 10–12

0.299661

− 8.15201 × 10–13

− 0.3

0.349629

7.24956 × 10–13

0.349628

− 2.38387 × 10–13

− 0.2

0.399605

− 1.55901 × 10–13

0.399603

− 3.89675 × 10–14

− 0.1

0.44959

− 7.5891 × 10–13

0.449588

− 8.79559 × 10–16

0

0.499585

− 1.02476 × 10–12

0.499583

0

0.1

0.54959

− 9.45877 × 10–13

0.549588

− 7.13598 × 10–15

0.2

0.599605

− 5.67415 × 10–13

0.599603

− 8.90145 × 10–14

0.3

0.649629

1.3748 × 10–14

0.649628

− 4.07271 × 10–13

0.4

0.699663

6.52013 × 10–13

0.699661

− 1.21544 × 10–12

0.5

0.749704

1.15806 × 10–12

0.749703

− 2.85394 × 10–12

0.6

0.799753

1.30586 × 10–12

0.799753

− 5.74305 × 10–12

0.7

0.849809

8.41645 × 10–13

0.849808

− 1.0374 × 10–11

0.8

0.89987

− 5.05091 × 10–13

0.899869

− 1.72977 × 10–11

0.9

0.949934

− 3.0086 × 10–12

0.949934

− 2.7112 × 10–11

1

1

− 6.93191 × 10–12

1

− 4.04468 × 10–11