Solidworks makes it very easy to CAD and then validate the designs within SolidWorks environment using it built-in CFD and CAD modules. This tutorial shows how to setup a basic CFD analysis and then use its results in FEA to determine its effects on the model!
Part used here: https://grabcad.com/library/plate-for-solidworks-combined-cad-cfd-fea-tutorial-1
Same method was used to solve this: https://grabcad.com/library/display-hoarding-cad-cfd-fea-using-solidworks-1