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Search: Posts Made By: jploz
Forum: OpenFOAM Running, Solving & CFD December 11, 2009, 05:07
Replies: 322
Views: 99,762
Posted By jploz
Hello everybody, To clarify: I don't think...

Hello everybody,

To clarify: I don't think the buoyantPressure BC has any strange impact. In fact, it takes the gravity (and thus the resulting constant pressure gradient) into account and is the...
Forum: OpenFOAM Running, Solving & CFD December 9, 2009, 11:50
Replies: 322
Views: 99,762
Posted By jploz
Hello Gonzales, IMO zeroGradient is not the...

Hello Gonzales,

IMO zeroGradient is not the proper BC for the hull in 1.6. You should use 'buoyantPressure 0' instead. As far as I understood, buoyantPressure is a fixed gradient BC that takes the...
Forum: OpenFOAM Running, Solving & CFD December 9, 2009, 08:54
Replies: 322
Views: 99,762
Posted By jploz
I've used both version 1.5 und 1.6 and the...

I've used both version 1.5 und 1.6 and the resulting forces were nearly the same. There were differences but not of factor 2! So, in principle it should be possible to use 1.6. My final...
Forum: OpenFOAM Running, Solving & CFD December 9, 2009, 06:16
Replies: 322
Views: 99,762
Posted By jploz
Two phase flow

Hello,

how do you calculate the forces? I've done comparison calculations using Wigley hulls and containerships which showed good agreement with experimental data. The forces were calculated using...
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