Physics, asked by ManishDwivedi193, 10 months ago

Why pressure velocity coupling is required to solve incompessible fow?

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Answered by Anonymous
64

Answer:

If, however the flow is in-compressible, the pressure is independent of density. Hence, coupling is necessary to induce a constraint on the solution. ... It ensures the presence of very real non-zero pressure gradient across the nodes in any condition, even in the case of a checkered grid.

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