Skip to main content

Table 13 Numerical results of \(\mathrm{SP} _{3}\) at time \(t = 2\), with \({h_{x}}={h_{y}}= 0.02\pi \), \(\tau = 0.02\)

From: A reduced fourth-order compact difference scheme based on a proper orthogonal decomposition technique for parabolic equations

(x,y)

Exact

R-ADI-CFDS4

Error 1

ADI-CFDS4

Error 2

(0.2Ï€,0.2Ï€)

0.006328

0.006327

8.4207e − 07

0.006327

8.4207e − 07

(0.4Ï€,0.4Ï€)

0.016567

0.016564

2.2046e − 06

0.016564

2.2046e − 06

(0.6Ï€,0.6Ï€)

0.016567

0.016564

2.2046e − 06

0.016564

2.2046e − 06

(0.8Ï€,0.8Ï€)

0.006328

0.006327

8.4207e − 07

0.006327

8.4207e − 07

Time

 

0.371496 s

 

86.610579 s

Â