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Search: Posts Made By: student666
Forum: OpenFOAM February 20, 2019, 17:22
Replies: 0
Views: 269
Posted By student666
Airfoils thread list

Hi,


has ever anybody collected a list of threads, here on CFD-onLine, that could group together a list of useful tools for airfoils calculation with OpenFOAM?


I mean something like:

...
Forum: OpenFOAM Installation January 1, 2019, 14:58
Replies: 6
[OpenFOAM.org] FATAL Error Paraview
Views: 2,438
Posted By student666
[Solved]

ok, problem solved by installing manually the .deb package from



http://dl.openfoam.org/ubuntu/dists/bionic/main/binary-amd64/


Regards.
Forum: OpenFOAM Installation January 1, 2019, 14:20
Replies: 6
[OpenFOAM.org] FATAL Error Paraview
Views: 2,438
Posted By student666
FATAL Error Paraview

Hi all,

I'm having this trouble with paraview and I can't run it.

If I type:
$ paraFoam
FATAL ERROR: The official reader module for OpenFOAM data does not exist on
your system. This means...
Forum: OpenFOAM Post-Processing December 1, 2018, 19:03
Replies: 5
Views: 876
Posted By student666
How can I compare the results from a CFD to some...

How can I compare the results from a CFD to some experimental data? where can I find references?


thx
Forum: OpenFOAM Post-Processing November 27, 2018, 19:07
Replies: 5
Views: 876
Posted By student666
Hi, Is it "a standard" to consider the...

Hi,



Is it "a standard" to consider the chord length as reference length for anything on an airfoil calculation? Reynolds, lift drag, force dict, ecc...
Forum: Structural Mechanics August 30, 2018, 23:05
Replies: 3
Views: 438
Posted By student666
Hi, thank you both; I think I should perform...

Hi,

thank you both; I think I should perform a static non linear analysis only.

I would set the same "sliding" BC on both edges that come in contact with the wood: no vertical displacement.
...
Forum: Structural Mechanics August 29, 2018, 03:57
Replies: 3
Views: 438
Posted By student666
prebended bracket, what type of analyssis to perform?

Hi all,


The object in the attached image represents a fixing bracket, used to fix the products to a wooden pallet, during road transport.


I have to study a new type of steel bracket and...
Forum: OpenFOAM July 28, 2018, 00:44
Replies: 2
Views: 754
Posted By student666
Roughly speaking: A cellZone is a "zone of...

Roughly speaking:

A cellZone is a "zone of cells", so...

cyclicAMII think that if you have a perfect match and a stationary case, you can define cyclic as well.

Others are:
...
Forum: OpenFOAM Meshing & Mesh Conversion July 28, 2018, 00:28
Replies: 2
Views: 629
Posted By student666
Hi, I reproduced your error, and the...

Hi,


I reproduced your error, and the surfaceCheck should create a txt file at the root folder of your case.
Can't understand the reason why you have no such output,maybe try to re-install OF....
Forum: OpenFOAM July 6, 2018, 13:51
Replies: 1
Views: 445
Posted By student666
What's the goal for your case? If you...

What's the goal for your case?


If you have one inlet and one outlet it's a standard case: I would put a fixed flow rate BC at the inlet and a fixed static pressure at the outlet, let's say a...
Forum: OpenFOAM Running, Solving & CFD July 5, 2018, 13:45
Replies: 9
Views: 1,324
Posted By student666
Well, it's hard to understand what you're doing,...

Well, it's hard to understand what you're doing, but I remember I performed a study case with a fan where the goal was to measure how much the rotational speed affected the rate of change of p at the...
Forum: OpenFOAM Running, Solving & CFD July 4, 2018, 23:11
Replies: 9
Views: 1,324
Posted By student666
Just checked my personal notes... ...

Just checked my personal notes...

https://www.cfd-online.com/Forums/blogs/student666/3470-personal-notes-postprocessing.html


As you may see, I largely use "banana method" and strangely if I...
Forum: OpenFOAM Running, Solving & CFD July 4, 2018, 15:52
Replies: 9
Views: 1,324
Posted By student666
Hi, don't know how to help, but if you set e.g. ...

Hi, don't know how to help, but if you set e.g.
regionType bananaOpenfoam should gives you an error that it doesn't recognize banana and should print a list of available region types it can handle....
Forum: OpenFOAM Running, Solving & CFD June 22, 2018, 01:15
Replies: 9
Views: 456
Posted By student666
You should use the CLI commands (see user guide)...

You should use the CLI commands (see user guide) 6.2.1.7

https://cfd.direct/openfoam/user-guide/post-processing-cli/#x31-2330006.2

and plot with gnuplot the .dat file e.g:


set terminal...
Forum: OpenFOAM Running, Solving & CFD March 1, 2018, 14:34
Replies: 5
Views: 906
Posted By student666
I set all to 0 as it's incompressible

I set all to 0 as it's incompressible
Forum: OpenFOAM Running, Solving & CFD March 1, 2018, 10:30
Replies: 5
Views: 906
Posted By student666
I add a picture of the case

I add a picture of the case
Forum: OpenFOAM Running, Solving & CFD March 1, 2018, 08:28
Replies: 5
Views: 906
Posted By student666
Boundary conditions for MRF case

Hi,

I'm trying to run a MRF incompressible case in order to get suction pression at inlet patches cause by a fan.

My case is very simple, it is:


incompressible
steady state
laminar...
Forum: OpenFOAM Programming & Development February 27, 2018, 01:26
Replies: 6
Views: 867
Posted By student666
Hi, I've been able to modify the solver. ...

Hi,

I've been able to modify the solver.
But I have a question.

My textbook refers to Nusselt number as for:
Nu = \partialt' / \partialy' = \partial(ts - t)/\partial (y/L) * 1 / (ts-tinf)...
Forum: OpenFOAM Programming & Development February 26, 2018, 17:07
Replies: 6
Views: 867
Posted By student666
Can you explain how to add this calc to a solver...

Can you explain how to add this calc to a solver like (e.g) buoyantSimpleFoam?

Thanks.
Forum: OpenFOAM Programming & Development February 22, 2018, 06:50
Replies: 3
Views: 273
Posted By student666
Hi, how would you perform with paraview? Can you...

Hi, how would you perform with paraview? Can you show in simple steps?
It would be great!!!
Forum: OpenFOAM Pre-Processing February 14, 2018, 13:13
Replies: 2
Views: 1,122
Posted By student666
Thanks for replying and to give details about;...

Thanks for replying and to give details about; furthermore there's another thread about this bc where I have been teach that fanPressure is (roughly speaking) used at inlet or output patches, but as...
Forum: OpenFOAM Running, Solving & CFD February 12, 2018, 07:44
Replies: 13
Views: 3,455
Posted By student666
Hi, the files are gone. But if I remember well, i...

Hi, the files are gone. But if I remember well, i used a fvOptions dict, as even for my case i had only one domain (fluid).
Regards
Forum: OpenFOAM Installation January 6, 2018, 00:15
Replies: 0
Views: 369
Posted By student666
Check for Updates for openFoam-dev

Hi,

this is my actual build for openfoam:

dev-5ea87082f120

I saw many tweets about new updates for of-dev, but when I run


sudo apt-get install --only-upgrade openfoam-dev
Forum: OpenFOAM December 2, 2017, 03:29
Replies: 8
Views: 4,506
Posted By student666
Hi, sorry, I thought you needed a velocity...

Hi,

sorry, I thought you needed a velocity field source term.
Are you meaning you have to add a constant scalar source for a species?

If that's the case,...
Forum: OpenFOAM December 1, 2017, 00:20
Replies: 8
Views: 4,506
Posted By student666
Hi, I successfully applied this source term...

Hi,

I successfully applied this source term for velocity field, maybe you can use as well.
velocitySource
{
type vectorFixedValueConstraint;
active true;


...
Showing results 1 to 25 of 286

 
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