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Table 8 Computational errors on the finest regular grid and L2, L accuracy between the last two grids of different stencils

From: Extending the global-direction stencil with “face-area-weighted centroid” to unstructured finite volume discretization from integral form

Different stencils

L2 errors

L errors

L2 accuracy

L accuracy

V-Stencil

8.586 × 10−4

3.164 × 10−3

1.991

2.063

F-Stencil

8.386 × 10−4

2.626 × 10−3

1.986

1.984

G-Stencil (Cell centroid)

3.617 × 10−4

5.405 × 10−4

1.993

1.971

G-Stencil (F-a-w centroid)

2.831 × 10−4

4.617 × 10−4

1.992

1.986