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Usually, in the inlet boundary conditions ___________ are known.

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in Computational Fluid Dynamics by (118k points)
Usually, in the inlet boundary conditions ___________ are known.

(a) gradients of flow properties

(b) diffusive fluxes of properties

(c) convective fluxes of properties

(d) flow properties

This question was posed to me at a job interview.

The query is from Boundary Conditions in chapter Boundary Conditions of Computational Fluid Dynamics

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The correct choice is (d) flow properties

The best I can explain: Flow properties in the inlet should be known. If the flow properties are not known, it is good to move the boundary as far as possible from the region of interest.

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