- [[Verification]] - [[Validation]] Known as V&V Notable sources of error - Mesh coarseness - Large timesteps - Geometry simplifications for better meshing - Inappropriate turbulence model Attempt to quantify amount of error from each source [[Mesh Refinement Studies]] - [[Verification]] - [[Validation]] Known as V&V Notable sources of error - Mesh coarseness - Large timesteps - Geometry simplifications for better meshing - Inappropriate turbulence model [[Mesh Refinement Studies]]