Numerical methods and HPC
Open Access

Table 2

Order of convergence of pore pressure solution with time step of 0.01 day.

Nature Graded mesh Rate
7 × 20 × 20 Overburden 1 × 20 × 20
Pay-zone 5 × 20 × 20 0.0405
Underburden 1 × 20 × 20
7 × 40 × 40 Overburden 1 × 40 × 40
Pay-zone 5 × 40 × 40 0.0188 1.107
Underburden 1 × 40 × 40
7 × 60 × 60 Overburden 1 × 60 × 60
Pay-zone 5 × 60 × 60 0.0084 0.9935
Underburden 1 × 60 × 60
7 × 80 × 80 Overburden 1 × 80 × 80
Pay-zone 5 × 80 × 80 0.0048 0.9726
Underburden 1 × 80 × 80

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