Nt

Nb

Ramesh et al. [13]

Present study

$-\theta \left(0\right)$

$-\varphi \left(0\right)$

$-\theta \left(0\right)$

$-\varphi \left(0\right)$

0.1

0.1

0.9523

2.1293

0.9524

2.1294

0.3

0.1

0.5200

2.5286

0.5201

2.5287

0.5

0.1

0.3210

3.0350

0.3211

3.0351

0.1

0.1

0.9523

2.1293

0.9524

2.1294

0.1

0.3

0.2520

2.4100

0.2521

2.4101

0.1

0.5

0.0541

2.3835

0.0542

2.3836