# Explicit Pressure Based Scheme

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 June 1, 2004, 12:38 Explicit Pressure Based Scheme #1 Apurva Guest   Posts: n/a Hi Till now what ever pressure based scheme I have read are implicit, are there any explicit pressure based scheme. Thanks Apurva

 June 1, 2004, 12:52 Re: Explicit Pressure Based Scheme #2 Li Yang Guest   Posts: n/a Really ? if you read Versteeg's book, it tells you what is the explicit scheme on page 171, and then the Crank-Nicolson scheme and the fully implicit scheme on the subsequent papges. Li

 June 2, 2004, 21:52 Re: Explicit Pressure Based Scheme #3 Mordorgie i grodrom Guest   Posts: n/a Hello, So how do you couple the pressure-velocity in case of an incompressible fluid? Do you use the old pressure field to calculate the new velocity field and then adjust the pressure field afterwards? Best Regards

 June 3, 2004, 04:47 Re: Explicit Pressure Based Scheme #4 CFD Learner Guest   Posts: n/a Correct. You can read Versteeg's book. In page 142, it states that an initial pressure field is guessed.... Regards Li

 June 3, 2004, 20:01 Re: Explicit Pressure Based Scheme #5 Mordorgie i grodrom Guest   Posts: n/a SIMPLE alghorithm p.142. Ok since my maths aren't my strongpoint I might be wrong here, but doesn't that make the calculation quite implicit (i.e. you dont't use all known values to calculate for instance x-velocity component in a node at a higher time-level)?

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