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Grid Size

A. Error. B. Machine precision exceeds round off error. Error. a. b. I. II. III. 1. 1. Nominal scheme’s order of accuracy (2). Order of Converge. 2≈a > b. Computer precision. 1. 1. Grid Size. Grid Size.

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Grid Size

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  1. A Error B Machine precision exceeds round off error Error a b I II III 1 1 Nominal scheme’s order of accuracy (2) Order of Converge 2≈a > b Computer precision 1 1 Grid Size Grid Size Figure 2: A (Left) Schematic of different regions of mesh convergence study (not to scale). B (Right) Comparison of the methods’ superiority based on both accuracy and convergence ratio

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