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Search took 0.00 seconds. Search: Posts Made By: colinB
Forum: OpenFOAM Post-Processing October 15, 2013, 07:34
Replies: 17
Views: 3,784
Posted By colinB
Hi, sorry for my non-scientific language ;-) ...

Hi,
sorry for my non-scientific language ;-)

I was referring to the formula:



|a| = sqrt(a1^2 + a2^2 + a3^2) to calculate the length of a vector.
Since this is a further development of...
Forum: OpenFOAM Post-Processing June 4, 2013, 06:32
Replies: 17
Views: 3,784
Posted By colinB
sry for the typos, but you are right. with...

sry for the typos, but you are right.
with pressure and viscous Force I was referring to the pressure and
viscous part of the lift forces, again sorry for my incomplete description.

Well to get...
Forum: OpenFOAM Post-Processing June 4, 2013, 05:25
Replies: 17
Views: 3,784
Posted By colinB
total Liftforce = pressure Liftforce + viscous...

total Liftforce = pressure Liftforce + viscous Liftforce

total cl - pressure cp + viscous cp



press.Force+visc.Force press.Force visc.Force
----------------------- =...
Forum: OpenFOAM Post-Processing June 3, 2013, 10:27
Replies: 17
Views: 3,784
Posted By colinB
yes you got me right However if you are...

yes you got me right


However if you are only interested in ct you can also add up all forces in y
direction and then divide them by (0.5*rho.......)
for the term you are dividing by is...
Forum: OpenFOAM Post-Processing June 3, 2013, 08:15
Replies: 17
Views: 3,784
Posted By colinB
Hi, this is a tricky question and I actually...

Hi,
this is a tricky question and I actually don't know the answer,
however using some common sense I would suggest to use
the geometry properties from each part you are investigating
so for the...
Forum: OpenFOAM Post-Processing June 3, 2013, 05:23
Replies: 17
Views: 3,784
Posted By colinB
Hi, to explain what to do you first have to...

Hi,

to explain what to do you first have to understand what is written in your
force.dat file:

forces(pressure, viscous)((-778.236 18309.5 -1.17287e-19) (68.6449
6.41497 -2.43225e-19))
...
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