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Table 3 The RMS errors and convergence rate of the velocity and pressure obtained in solving test problem 2 for different values of \(\Delta t\) with regular points

From: The meshless local Petrov–Galerkin method based on moving Kriging interpolation for solving the time fractional Navier–Stokes equations

\(\Delta t\) \(\Delta x =\Delta y = 1/10\) Convergence rate
u v p u v p
1/10 2.1744 × 10−4 3.0347 × 10−4 1.1725 × 10−2
1/12 1.7912 × 10−4 2.3433 × 10−4 1.0747 × 10−2 1.0633 1.4181 0.4777
1/15 1.4059 × 10−4 1.6391 × 10−4 9.7033 × 10−3 1.0854 1.6017 0.4578
1/17 1.2243 × 10−4 1.3050 × 10−4 9.1864 × 10−3 1.1050 1.8212 0.4374
1/20 1.0204 × 10−4 9.3123 × 10−5 8.5828 × 10−3 1.1209 2.0764 0.4182