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Force Calculation in OpenFOAM for Propeller case

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Old   April 30, 2018, 23:22
Post Force Calculation in OpenFOAM for Propeller case
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Aldias Bahatmaka
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Dear all of Foamers,

I did the simulation for propeller case in MRF method,
The simulation was done with the post-processing folder and result.
From the folder, I found the forces.dat
and I tried to open in Excel,
and the file will appear like this;
Time total_x total_y total_z pressure_x pressure_y pressure_z viscous_x viscous_y viscous_z
3.11E+03 5.90E-03 1.16E-02 -1.49E-01 5.63E-03 1.17E-02 -1.53E-01 2.67E-04 -4.78E-05 4.61E-03


The Question is:
How to calculate the force?
my propeller direction is on the Z axis.
I suggest I should calculate the Force = total z + pressure z + viscous z

Is that true?
need the help,

Thanks a lot.

Aldi
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Old   May 2, 2018, 05:11
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Tom Fahner
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Hi,

No. Total=pressure+viscous.

So you just need the total force.

Regards,
Tom
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Old   May 2, 2018, 05:33
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Aldias Bahatmaka
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Quote:
Originally Posted by tomf View Post
Hi,

No. Total=pressure+viscous.

So you just need the total force.

Regards,
Tom
Dear Mr.Tom,

Thanks for your answer.
I got now.

Best regards,
Aldi
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