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Search: Posts Made By: j-avdeev
Forum: OpenFOAM Programming & Development February 4, 2016, 12:32
Replies: 6
Views: 571
Posted By j-avdeev
Hi, Genn. I am not sure, that it optimal way...

Hi, Genn.

I am not sure, that it optimal way to get gradT, but you can try
surfaceVectorField gradT = fvc::interpolate(fvc::grad(T));
surfaceScalarField sumGradT =...
Forum: OpenFOAM Running, Solving & CFD December 20, 2015, 07:58
Replies: 4
Views: 1,454
Posted By j-avdeev
Hello. If someone still interested. ...

Hello.
If someone still interested.


vector deltaC;
deltaC.x() = 0.01;
deltaC.y() = 0.01;
deltaC.z() = 0.01;

vectorField delCentroid(mesh.points().size(), deltaC);
Forum: OpenFOAM Programming & Development December 19, 2015, 05:15
Replies: 12
Views: 2,299
Posted By j-avdeev
Hello. Can someone explain what gradU.T()...

Hello.
Can someone explain what gradU.T() means?
Why here gradU+gradU.T(), but not just gradU?
As I understand we want to get gradient field of U here.
Forum: CFX October 31, 2015, 08:25
Replies: 8
Views: 969
Posted By j-avdeev
Hello, _srs_ It was too difficult for me to...

Hello, _srs_
It was too difficult for me to make through routines.
So I solve it in 2 steps:
1. Made simulation of the porous medium without dust - the purpose of the calculation to estimate the...
Forum: OpenFOAM Programming & Development June 7, 2015, 09:23
Replies: 5
Views: 334
Posted By j-avdeev
Hello, Asghari. As I remember C++, the...

Hello, Asghari.

As I remember C++, the following line

heSource -= 0.1*sqr(time.value())*V;

mean the same as

heSource = heSource - 0.1*sqr(time.value())*V;
Forum: OpenFOAM March 17, 2015, 15:05
Replies: 14
Views: 2,388
Posted By j-avdeev
Hi, jemz I have tryed and it works in OpenFOAM...

Hi, jemz
I have tryed and it works in OpenFOAM 2.3.1 with following system/fvSchemes:

FoamFile
{
version 2.0;
format ascii;
class dictionary;
location ...
Forum: OpenFOAM March 17, 2015, 06:49
Replies: 14
Views: 2,388
Posted By j-avdeev
It says that "keyword laplacian(rAUf,p) is...

It says that "keyword laplacian(rAUf,p) is undefined" and if you open system/fvSchemes you will not find it.
It is happen because case was made and worked on older OpenFOAM version - I see you use...
Forum: OpenFOAM Running, Solving & CFD February 22, 2015, 15:59
Replies: 6
Views: 532
Posted By j-avdeev
Hello. I have similar problem as mich_K. It is...

Hello.
I have similar problem as mich_K. It is sunday and pyFoam does not want to plot. :)
I have installed pyFoam and gnuplot as "notroot" user to my home directory.
gnuplot works fine - after...
Forum: OpenFOAM Programming & Development November 4, 2014, 11:16
Replies: 3
Views: 515
Posted By j-avdeev
Hello. If I understand your problem right -...

Hello.

If I understand your problem right - for small size matrices you can use matricoFoam approach. It creates zero dense matrix and grab coefficients from matrixes threw "addressing"....
Forum: OpenFOAM Installation on Windows, Mac and other Unsupported Platforms May 14, 2014, 05:51
Replies: 1
Views: 385
Posted By j-avdeev
Question Installing swak4Foam to OpenFOAM in Windows

Hello.

I have tryed to find compiled verion of swak4Foam libraries for Windows, but I have not found.
Is it exist?

Also I think about compiling by myself. I just started - I found bison and...
Forum: OpenFOAM May 2, 2014, 08:17
Replies: 14
Views: 2,388
Posted By j-avdeev
It works! Thanks, JBeilke. ...

It works!
Thanks, JBeilke.
http://youtu.be/hZm7lc4sC2o
Forum: OpenFOAM Programming & Development March 1, 2014, 11:09
Replies: 7
Views: 1,512
Posted By j-avdeev
Probably will useful. ...

Probably will useful.

http://openfoamwiki.net/index.php/How_to_use_Armadillo_in_OpenFOAM
Forum: OpenFOAM Programming & Development February 1, 2014, 13:00
Replies: 9
Views: 1,157
Posted By j-avdeev
Hello, luckycfd. Probably matricoFoam will...

Hello, luckycfd.

Probably matricoFoam will help you to understand:
http://www.cfd-online.com/Forums/openfoam-solving/121831-dumping-matrices-openfoam.html#post472905
Forum: OpenFOAM Running, Solving & CFD February 1, 2014, 12:52
Replies: 3
Views: 943
Posted By j-avdeev
Hello, Iliya Marchevsky made lab work -...

Hello,

Iliya Marchevsky made lab work - simple example (on basis of icoFoam solver source code), which shows way how you can save matrices from OF to text file.
Probably, this example useless in...
Forum: OpenFOAM Verification & Validation October 30, 2013, 09:12
Replies: 1
Views: 1,238
Posted By j-avdeev
second file of equatins

second file of equatins
Forum: OpenFOAM Verification & Validation October 30, 2013, 09:07
Replies: 1
Views: 1,238
Posted By j-avdeev
Question Hyperbolic equasion solver or How OF works?

Hello,
I have working hyperbolic equasion solver (hyper1Foam in attachment - works in OF 2.1.0).

Main equation:
\frac{\partial\psi }{\partial t}+C{\frac{\partial \psi}{\partial x}}=0 ...
Forum: OpenFOAM August 3, 2013, 05:45
Replies: 11
Views: 1,189
Posted By j-avdeev
Thanks, Sylvester. 0/U was ok. Problem was in...

Thanks, Sylvester.
0/U was ok.
Problem was in Ua - now it's work fine:

inlet
{
type fixedValue;
value uniform (-1 0 0);
}
Forum: OpenFOAM July 26, 2013, 11:20
Replies: 11
Views: 1,189
Posted By j-avdeev
Something wrong in my case (see attached...

Something wrong in my case (see attached pictures).

Maybe it's wrong BC in U, Ua?

Places, where I'm not sure:

in 0/U

inlet
{
Forum: OpenFOAM Installation July 12, 2013, 06:47
Replies: 32
Views: 3,746
Posted By j-avdeev
Bruno, yes, error was in g++.conf file. I've ran...

Bruno, yes, error was in g++.conf file. I've ran "sed ..." script more than one time and it was g++4444 instead of g++44. It's corrected.

But now another error:

...
Error: Symbian SDK registry...
Forum: OpenFOAM Installation July 10, 2013, 09:24
Replies: 32
Views: 3,746
Posted By j-avdeev
I've tryed to perform step #10...

I've tryed to perform step #10 (http://openfoamwiki.net/index.php/Installation/Linux/OpenFOAM-2.1.1/CentOS_SL_RHEL#CentOS_5.8)
but it finished with error
...
Basic XLib functionality test failed!...
Forum: OpenFOAM Programming & Development July 9, 2013, 09:21
Replies: 35
Views: 8,839
Posted By j-avdeev
Santiago, propably nooby question, anyway ...

Santiago, propably nooby question, anyway

from fvMatrix.C
00742 tAphi().internalField() = D()/psi_.mesh().V();
This string accord to
A()=diag()/mesh.V()
or another string?

And I tryed...
Forum: OpenFOAM Installation June 28, 2013, 14:18
Replies: 32
Views: 3,746
Posted By j-avdeev
Yes, Bruno, you right - I simply ran the...

Yes, Bruno, you right - I simply ran the makeGcc46.

But making changes in settings.sh has no effect. :(

Anyway, after that I tryed to follow...
Forum: OpenFOAM Installation June 25, 2013, 17:52
Replies: 32
Views: 3,746
Posted By j-avdeev
Hello. I have similar situation. But gcc...

Hello.
I have similar situation. But gcc version is OK.
What is wrong?


$ foamInstallationTest
Executing /home/avdeev/OpenFOAM/OpenFOAM-2.2.0/bin/foamInstallationTest:


Checking basic...
Forum: ParaView May 21, 2013, 13:56
Replies: 1
Views: 383
Posted By j-avdeev
Question View how volume devided by processors

Hello.

I remember that Paraview has possibility to show how volume of geometry devided by processors (in decomposed case sure), but forgot how to get this view.
I remember that it looks like...
Forum: OpenFOAM Programming & Development April 13, 2013, 10:05
Replies: 35
Views: 8,839
Posted By j-avdeev
Hello, I have one more question around terms ...

Hello,
I have one more question around terms .A(), .H(), .T().

As said before


So what return terms .lower(), .upper(), .diag()?

I found them in article...
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