h

${\Vert d-d_h^n\Vert }_{L^2}$

${\Vert d-d_h^n\Vert }_{H^1}$

${\Vert u-u_h^n\Vert }_{L^2}$

${\Vert u-u_h^n\Vert }_{H^1}$

${\Vert p-p_h^n\Vert }_{L^2}$

1/8

0.372485

2.19973

0.00197764

0.0153247

1.02112

1/16

0.0428221

0.564219

0.000216933

0.00324698

0.225224

1/32

0.0428221

0.14291

1.89493e−05

0.000713829

0.065122