$p_{\xi }=p_{\eta }$

DOF

${\Vert u-u^h\Vert }_{\infty \mathrm{,}\text{rel}}$

${\Vert u-u^h\Vert }_{L_2\mathrm{,}\text{rel}}$

${\Vert u-u^h\Vert }_{\text{eng,rel}}$

Strain Energy

2

127

4.672E−01

1.908E−01

9.413E−00

1.0530977213691153

3

262

1.616E−01

5.245E−02

3.107E−00

1.0448557851141744

4

445

6.882E−02

1.994E−02

9.807E−01

1.0439482790063588

5

676

9.847E−03

2.542E−03

1.508E−01

1.0438454972029929

6

955

6.620E−03

1.562E−03

8.457E−02

1.0438471270008702

7

1282

2.285E−03

5.035E−04

1.872E−02

1.0438478370927871

8

1657

4.608E−04

9.087E−05

2.354E−02

1.0438479315458822

9

2080

3.649E−04

7.207E−05

1.500E−02

1.0438478971863683

10

2551

8.706E−05

1.537E−05

4.227E−03

1.0438478755531098

11

3070

3.962E−05

6.597E−06

2.308E−03

1.0438478731313534

12

3637

1.999E−05

3.376E−06

1.242E−03

1.0438478735263752

13

4252

2.985E−06

5.006E−07

7.634E−04

1.0438478737484800

14

4915

3.022E−06

4.563E−07

9.146E−04

1.0438478737749743

$\infty$

1.0438478737557377