Scheme (10)

Shao [7]

C-N scheme

Cai [6]

t = 0.2

1.575e−5

0.00056

0.00070

0.00053

t = 0.4

2.625e−5

0.00085

0.03331

0.00113

t = 0.6

6.728e−5

0.00112

0.06337

0.00175

t = 0.8

1.925e−4

0.00141

0.08433

0.00237