Nonlocal Artificial Boundary Conditions for Computation of External Viscous Flows
Artificial Boundary Conditions (ABCs) furnish a widely used approach for the numerical treatment of problems initially formulated on unbounded domains. These boundary conditions are typically set at the external boundary of the finite computational domain (CD) once the latter is obtained from the original unbounded domain by means of truncation. Implementation of the ABCs enables completing the “truncated problem” and, therefore, making it available for solution on the computer.
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