Distorted square mesh

NE

h

z z h 0

Rate

| | | z z h | | | V

Rate

ψ ψ h 0

Rate

100

1.000E−01

2.53147E−03

1.23694E−01

5.24139E−03

400

5.000E−02

2.97297E−04

3.09

3.04978E−02

2.02

1.27452E−03

2.04

900

3.333E−02

8.95017E−05

2.96

1.36622E−02

1.98

5.73271E−04

1.97

1600

2.500E−02

3.74454E−05

3.03

7.66446E−03

2.01

3.21603E−04

2.01

Lloyd mesh

NE

h

z z h 0

Rate

| | | z z h | | | V

Rate

ψ ψ h 0

Rate

100

1.000E−01

6.51423E−04

2.54301E−02

1.48532E−03

400

5.000E−02

7.69442E−05

3.08

6.14640E−03

2.05

3.81145E−04

1.96

900

3.333E−02

2.32217E−05

2.95

2.69819E−03

2.03

1.66370E−04

2.04

1600

2.500E−02

9.84543E−06

2.98

1.51420E−03

2.01

9.33767E−05

2.01