z *

Concentration C *

when ϕ = 0.01

when ϕ = 0.1

when ϕ = 1

Equation (14)

Simulation

% of Error deviation

Equation (14)

Simulation

% of error deviation

Equation (14)

Simulation

% of Error

deviation

0

1.0000

1.0000

0.00

1.0000

1.0000

0.00

1.0000

1.0000

0.00

0.2

0.9801

0.9806

0.05

0.9400

0.9414

0.14

0.8556

0.8566

0.11

0.4

0.9601

0.9612

0.11

0.8800

0.8828

0.31

0.7112

0.7131

0.26

0.6

0.9402

0.9418

0.16

0.8200

0.8242

0.50

0.5667

0.5697

0.52

0.8

0.9203

0.9224

0.22

0.7600

0.7657

0.74

0.4223

0.4263

0.93

1

0.9013

0.9040

0.29

0.7030

0.7100

0.99

0.2851

0.2900

1.68

Average error % 0.138

Average error % 0.446

Average error % 0.583