Modelling drag forces and inviscid blocking

It would seem natural to ask how both drag forces and inviscid blocking may be included in current incompressible computational models of multibody flows. To demonstrate this for the case of an isolated body, we first note that that the inertial terms in the momentum equation may be expressed as 

The mass-conservation equation has a dipolar source contribution (from 7.30), so that in total we have 

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