Step 1. Define Your Modeling Goals
What results are you looking for (i.e. pressure drop, mass flow rate), and how will they be used?
What are your modeling options?
– What simplifying assumptions can you make (i.e. symmetry, periodicity)?
– What simplifying assumptions do you have to make?
– What physical models will need to be included in your analysis
What degree of accuracy is required?
How quickly do you need the results?