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Table 2 Computed error norms and the order of convergence for Test 2

From: Numerical methods to simulate moisture dynamics in fibrous sheet

Time increment Δ t Error norm Order of convergence in time
32 × 16 64 × 16 128 × 16 32 × 16 64 × 16 128 × 16
0.01 5.04E − 02 5.77E − 02 6.05E − 02    
0.001 6.35E − 03 5.01E − 03 5.51E − 03 9.00E − 01 1.06E + 00 1.04E + 00
0.0001 1.29E − 02 5.65E − 03 2.31E − 03 −3.08E − 01 −5.22E − 02 3.78E − 01