Table 3 Grid Convergence for Re = 20 and n = 1.

From: AI-based predictive approach via FFB propagation in a driven-cavity of Ostwald de-Waele fluid using CFD-ANN and Levenberg–Marquardt

Refinement level

\({C}_{D}\)

\({C}_{L}\)

\({RL}_{1}\)

4.9067

− 3.403E−1

\({RL}_{2}\)

4.8622

− 3.3395E−1

\({RL}_{3}\)

4.8091

− 3.366E−1

\({RL}_{4}\)

4.7846

− 3.283E−1

\({RL}_{5}\)

4.7731

− 3.251E−1

\({RL}_{6}\)

4.7689

− 3.246E−1

\({RL}_{7}\)

4.7642

− 3.241E−1

\({RL}_{8}\)

4.7624

− 3.230E−1

\({RL}_{9}\)

4.7624

− 3.228E−1

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