Template:Demo AC BPA2

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List any uncertainties which make a high fidelity CFD model difficult to assemble. Typical examples might include:

  • a gas leakage between two components which is difficult to resolve on practical meshes, and even if it is resolved, the leakage flow conditions may not be known.
  • flow conditions at inlet to the AC (or indeed other boundaries) which may be complex and not precisely known.
  • fine details of the geometry are imprecise.

Briefly discuss the sensitivity of the DOAP predictions to these uncertainties and their impact on the BPA. In particular, can clear, unequivocal BPA be given or is it necessary to introduce appropriate caveats.