t

α

β

Rashid

E ( u )

Jiwari

E ( u )

Present Method

E ( u )

0.5

0.1

0.3

9.619E−4

4.173E−5

6.812E−4

0.3

0.03

4.310E−4

4.585E−5

3.312E−5

1.0

0.1

0.3

1.153E−3

8.275E−5

6.222E−4

0.3

0.03

1.268E−3

9.167E−5

2.490E−4

3.0

0.1

0.3

2.408E−4

8.612E−4

0.3

0.03

2.747E−4

9.186E−5