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SIMPLE vs Pressure Projection for Steady-State Incompressible

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Old   September 4, 2015, 08:56
Default SIMPLE vs Pressure Projection for Steady-State Incompressible
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Matthew de Haast
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Good day everyone,

In the past few weeks I have been looking at both the SIMPLE scheme as well as the Pressure Projection Scheme for State-state incompressible flows. In literature I have seen it mentioned that SIMPLE is far superior to the Projection method for steady cases.

I have developed a 1D code for both schemes with the inlet velocity prescribed and outlet pressure prescribed. I am finding that the pressure projection method to be far superior to that of SIMPLE in terms of iterations and time required to get a uniform solution. This seems counter to what is mentioned in literature.

Does this seem correct for anyone? Also does anyone have links to literature that explicitly looks at the differences/similarities for steady-state incompressible flows.

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