Mesh

$u_{y=0.5}$

Δξ

Δη

${\text{Error}}_{y=0.5}$

P₁

1.1999

1.0000E+00

2.5000E−01

3.0010E−01

P₂

1.3380

5.0000E−01

1.2500E−01

1.6200E−01

P₃

1.4158

2.5000E−01

6.2500E−02

8.4200E−02

P₄

1.4498

1.2500E−01

3.1250E−02

5.0200E−02

P₅

1.5068

6.2500E−02

1.5625E−02

6.8000E−03