hi, does anybody know why t
does anybody know why the flux in the icoFoam-case is calculated as it is?
there are lines like that:
where phi itself is "linearinterpolate(U)&mesh.Sf()"
i know that i need a div-term for the pressure-eqn but what are these other terms in the phi-calculation? for me it looks like adding something in the interpolation and than substracting the same after interpolation.
Am i right, that ddt0(U) gives the old-time-value for U in discretizised form (with coefficient)?
I hope somebody can explain what happens here.
thanks in advance
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