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Calculation of the flow field

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Calculation of the flow field

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    1. Calculation of the flow field

    2. Continuity equation

    3. Momentum equations

    4. Momentum equations

    5. Momentum equations

    6. Where is the problem? equations are transient (time dependent)? we do not have as many equations as we have unknowns? equations look ugly? equations are complicated? equations are nonlinear? equations are coupled? the pressure field is unknown? there is no obvious equation to obtain the pressure field?

    7. Some more problems with pressure

    8. Some more problems with pressure

    9. Similar problems with velocity

    10. Remedy: the staggered grid

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