Mesh Refinement and Modeling Errors in Flow Simulation

AIAA, Fluid Dynamics Conference, 27th, New Orleans, LA, June 17-20, 1996 We present a perspective on verification and validation of CFD tools for analysis and design, identifying principal sources of error due to approximations in the physical model, numerical discretization, and implementation. Issues in algorithm design and trade-offs between modelling accuracy and computational costs are discussed in detail. Computational examples are drawn from the authors work in several applications areas. (Author)

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