Re

Grid

Centre of primary vortex

Centre of secondary vortex, BL

Centre of secondary vortex, BR

ψ

ω

ψ

ω

ψ

ω

100

64 × 64

0.10352

3.16686

1.33E−06

1.97E−02

1.25E−05

3.89E−02

128 × 128

0.10351

3.1687

1.74E−06

1.57E−02

1.27E−05

3.31E−02

256 × 256

0.10352

3.16098

1.79E−06

1.60E−02

1.27E−05

3.69E−02

512 × 512

0.10352

3.16646

1.76E−06

1.70E−02

1.27E−05

3.46E−02

1000

64 × 64

0.11853

2.06526

2.07E−04

0.4442

1.74E−03

1.10526

128 × 128

0.11881

2.06641

2.31E−04

0.36691

1.73E−03

1.14018

256 × 256

0.11893

2.06763

2.33E−04

0.34489

1.73E−03

1.13901

512 × 512

0.11894

2.06778

2.33E−04

0.35653

1.73E−03

1.11469

5000

64 × 64

0.12009

1.94912

1.09E−04

1.13579

3.16E−03

2.50248

128 × 128

0.12103

1.94569

1.19E−04

1.27903

3.13E−03

2.54565

256 × 256

0.1219

1.93715

1.35E−04

1.41837

3.07E−03

2.70553

512 × 512

0.1222

1.94038

1.38E−04

1.51437

3.07E−03

2.74876