Comprehensive Code Verification for an Unstructured Finite Volume CFD Code

A detailed code verification study of an unstructured finite volume CFD code is presented. The Method of Manufactured Solutions is used to generate exact solutions to the Euler and Navier-Stokes equations to verify the order of accuracy of the code. Testing is performed on different grid types including triangular and quadrilateral elements in 2D and tetrahedral, prismatic and hexahedral elements in 3D. The requirements for systematic mesh refinement are discussed, particularly in regards to unstructured meshes. Different code options verified include the baseline steady-state governing equations, transport models, turbulence models, boundary conditions and unsteady flows.

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