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Staggered grid arrangements are used to establish strong coupling between ____________ and __________

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in Computational Fluid Dynamics by (118k points)
Staggered grid arrangements are used to establish strong coupling between ____________ and __________

(a) velocities and momentum components

(b) velocities and pressure gradients

(c) velocities and viscosity terms

(d) viscosity and source terms

The question was posed to me in class test.

The origin of the question is Numerical Methods in division Numerical Methods of Computational Fluid Dynamics

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The correct choice is (d) viscosity and source terms

The best explanation: Coupling problem between velocities and pressure gradients is the reason why staggered grids are formed. Staggered grids ensure the coupling between these two terms. The velocity components normal to the cell face should lie between the pressure coordinates on either side of that face.

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