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Old   February 2, 2013, 13:11
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Hi
you should type what is at line 30-32, to see what is wrong with it.
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Old   February 2, 2013, 13:30
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OUTLET
{
type fixedMeanValue;

meanValue 0;
}


Seems like it can't find the new fixedMeanValue BC.
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Old   February 2, 2013, 13:37
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Don't forget to load the library in the system/controldict

If you did this already, check the terminal output for warnings. I don't recall the warning exactly but it's something like 'Warning: could not load library'...

Cheers,

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Old   February 2, 2013, 17:35
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Hi Lieven,

It wouldn't load. It said the library could not be found. I followed the directuions to the letter. Is there anything else I have to do?

Cheers: Adam
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Old   February 2, 2013, 19:17
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It looks like you're install is in /opt and that looks like the Ubuntu package install. If so, it may be worthwhile to move to the git version of OpenFOAM and compile the whole thing yourself. Some good instructions are here. I think the ubuntu package is great if you want to quickly run things and get a feel for OpenFOAM, but if you are going to do more complicated stuff....i would move on and recompile it yourself. Its not very difficult at all and the link I provided will get you through no problem. Plus its fun
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Old   February 2, 2013, 19:30
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Hi Dan,

I downloaded two .C files for fixedMeanValue and one header file. See attached.
When I run wmake libso finiteVolume I get the following errors....which file should be in my 'files' list....

Unfortunately I don't have time to recompile OpenFOAM.

I would really appreciate your advice though.

Cheers
Attached Files
File Type: c fixedMeanValueFvPatchField.C (4.3 KB, 35 views)
File Type: c fixedMeanValueFvPatchFields.C (1.7 KB, 11 views)
File Type: h fixedMeanValueFvPatchFields.H (1.9 KB, 12 views)
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Old   February 3, 2013, 13:51
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Here are the errors I get after trying to compile:

SOURCE=fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C ; g++ -m64 -Dlinux64 -DWM_DP -Wall -Wextra -Wno-unused-parameter -Wold-style-cast -Wnon-virtual-dtor -O3 -DNoRepository -ftemplate-depth-100 -I/opt/openfoam210/src/triSurface/lnInclude -I/opt/openfoam210/src/meshTools/lnInclude -I/opt/openfoam210/src/finiteVolume/lnInclude -IlnInclude -I. -I/opt/openfoam210/src/OpenFOAM/lnInclude -I/opt/openfoam210/src/OSspecific/POSIX/lnInclude -fPIC -c $SOURCE -o Make/linux64GccDPOpt/fixedMeanValueFvPatchFields.o
In file included from fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:29:0:
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.H:48:27: error: expected constructor, destructor, or type conversion before ‘(’ token
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchScalarField’ has not been declared
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchScalarField’ has not been declared
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchScalarField’ has not been declared
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchScalarField’ has not been declared
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: warning: unused variable ‘Foam::debug’ [-Wunused-variable]
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchScalarField’ was not declared in this scope
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: template argument 1 is invalid
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: invalid type in declaration before ‘;’ token
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchScalarField’ was not declared in this scope
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: template argument 1 is invalid
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: invalid type in declaration before ‘;’ token
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchScalarField’ was not declared in this scope
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: template argument 1 is invalid
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: invalid type in declaration before ‘;’ token
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchVectorField’ has not been declared
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchVectorField’ has not been declared
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchVectorField’ has not been declared
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchVectorField’ has not been declared
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: warning: unused variable ‘Foam::debug’ [-Wunused-variable]
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchVectorField’ was not declared in this scope
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: template argument 1 is invalid
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: invalid type in declaration before ‘;’ token
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchVectorField’ was not declared in this scope
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: template argument 1 is invalid
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: invalid type in declaration before ‘;’ token
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchVectorField’ was not declared in this scope
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: template argument 1 is invalid
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: invalid type in declaration before ‘;’ token
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchSphericalTensorField’ has not been declared
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchSphericalTensorField’ has not been declared
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchSphericalTensorField’ has not been declared
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchSphericalTensorField’ has not been declared
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: warning: unused variable ‘Foam::debug’ [-Wunused-variable]
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchSphericalTensorField’ was not declared in this scope
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: template argument 1 is invalid
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: invalid type in declaration before ‘;’ token
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchSphericalTensorField’ was not declared in this scope
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: template argument 1 is invalid
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: invalid type in declaration before ‘;’ token
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchSphericalTensorField’ was not declared in this scope
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: template argument 1 is invalid
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: invalid type in declaration before ‘;’ token
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchSymmTensorField’ has not been declared
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchSymmTensorField’ has not been declared
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchSymmTensorField’ has not been declared
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchSymmTensorField’ has not been declared
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: warning: unused variable ‘Foam::debug’ [-Wunused-variable]
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchSymmTensorField’ was not declared in this scope
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: template argument 1 is invalid
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: invalid type in declaration before ‘;’ token
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchSymmTensorField’ was not declared in this scope
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: template argument 1 is invalid
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: invalid type in declaration before ‘;’ token
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchSymmTensorField’ was not declared in this scope
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: template argument 1 is invalid
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: invalid type in declaration before ‘;’ token
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchTensorField’ has not been declared
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchTensorField’ has not been declared
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchTensorField’ has not been declared
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchTensorField’ has not been declared
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: warning: unused variable ‘Foam::debug’ [-Wunused-variable]
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchTensorField’ was not declared in this scope
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: template argument 1 is invalid
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: invalid type in declaration before ‘;’ token
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchTensorField’ was not declared in this scope
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: template argument 1 is invalid
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: invalid type in declaration before ‘;’ token
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: ‘fixedMeanValueFvPatchTensorField’ was not declared in this scope
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: template argument 1 is invalid
fields/fvPatchFields/derived/fixedMeanValue/fixedMeanValueFvPatchFields.C:40:1: error: invalid type in declaration before ‘;’ token
make: *** [Make/linux64GccDPOpt/fixedMeanValueFvPatchFields.o] Error 1
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Old   February 4, 2013, 03:42
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Ok,

seems to me you're missing two files. You can find them in the attachment.

Cheers,

Lieven
Attached Files
File Type: h fixedMeanValueFvPatchField.H (4.9 KB, 11 views)
File Type: h fixedMeanValueFvPatchFieldsFwd.H (1.9 KB, 13 views)
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Old   February 4, 2013, 11:01
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Thanks Lieven,

I put the files in the correct place, and I am recompiling now....hopefully it works.

I really appreciate all of your help on this one. This type of BC should be a standard BC in OpenFOAM, it's much more stable. There is a reason commercial solvers usually implement this; you need robustness when working on real problems.

Thanks again,

Cheers: Adam
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Old   February 4, 2013, 11:49
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I tried to re-compile, but I get an error related to /platforms/linux64gcc/lib

It seems to have trouble compiling libFiniteVolume.so


/opt/openfoam210/platforms/linux64GccDPOpt/lib/libfiniteVolume.so: file not recognized: File truncated
collect2: ld returned 1 exit status
make: *** [/opt/openfoam210/platforms/linux64GccDPOpt/lib/libfiniteVolume.so] Error 1

The rest of the compilation seemed to go well.

Man, this is a struggle.

Before you did an ./Allwmake, is there a clean command I need to use?

I was just using a wmake on the finiteVolume lib. (wmake libso finiteVolume/)

Cheers: Adam
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Old   February 4, 2013, 12:27
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Do you have all the required packages to compile OpenFOAM? My previous suggestion contains a link to a page with instructions (here are the instructions). There they provide the packages:

Code:
sudo apt-get install build-essential flex bison cmake zlib1g-dev qt4-dev-tools libqt4-dev gnuplot libreadline-dev libncurses-dev libxt-dev
If you have all of these then you might want to navigate to the finiteVolume folder and then do

Code:
wclean libso
then do a

Code:
wmake libso
these where the suggestions on the thread (OpenFoam 2.0.1 installation)

Lastly, compiling really does not take any time at all. The instructions are really straightforward and If you do this while you are gone to lunch....if will be done by the time you get back. Over the last few years, OpenFOAM has really become much better at compiling with the set of provided instructions...extend and standard OpenFOAM alike. Good luck!
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Last edited by chegdan; February 4, 2013 at 12:36. Reason: spelling
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Old   February 4, 2013, 13:02
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Hi Dan,

Followed the instructions and got the same error.
I can't figure out why the file would be truncated....it's like it got to large..

Cheers
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Old   February 4, 2013, 13:12
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on the thread I provided, the problem was solved with the ubuntu package binutils-dev.

I will install the ubuntu package and try to install this myself the way you are doing it.
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Old   February 4, 2013, 17:04
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I realized the other posts related to compiling the new BC in a local directory, whereas I compiled it in the /SRC directory. I simply removed the additional lines suggested by the OPs in the /files and /options dictionaries.

To recap:

1. Make sure you contain all 4 files needed for fixedMeanValue pressure BC.
2. follow directions suggested by chegdan in his first post.

Chegdan,

Thanks for all of your help. Sincerely appreciated.

Cheers
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Old   February 4, 2013, 17:36
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excellent...Good luck in your work!
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Old   March 26, 2013, 11:07
Default Pressure and speed outlet unknown
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Hi all my name is Sergi and I'm trying to simulate a flow inside a tube with water (interFoam) and what I want to do is to check the difference between the outlet and inlet pressure to purge the system or not.

The thing is that I don't know which kind of boundary condition do I have to set on the outlet in order to allow the program calculate the pressure with respect the speed or whatever.

Any ideas?

Thanks!
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Old   April 4, 2013, 05:30
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Dear Foamers,

I'd like to add the BC fixedMeanValue into my OpenFOAM 2.1.x, but I can't put it into $FOAM_SRC/finiteVolume/fields/fvPatchFields and re-compile (as suggested above) since I'm working on a cluster and I don't have permission to write there. I'm not at all advanced in "all this compiling bussiness". So is there a way to go around it?

Thank you so much for a help!

Last edited by vanekp; April 4, 2013 at 06:42.
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Old   April 4, 2013, 06:34
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is it compilable in of 2.2.0?
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Old   April 4, 2013, 11:01
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is fixedMeanValue applicable in groovyBC?
which files should be download for compiling in OF 2.2.0?
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Old   April 4, 2013, 11:34
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@immortality: Just to quadruple check if I was crazy or not, I went through the thread, made a new fixedMeanValue from the information on this thread, and it works for OF-2.2.x. It literally took longer to write this post than to actually find out if it was compatible .

@vanekp if you have the capability of compiling your own solvers/application in your user directory on your cluster, you can use this BC. Just take the attached code, unzip in your user foam directory, move into the directory and do a

Code:
wmake libso
where you need to place

Code:
libs ( "libfixedMeanValue.so");
in your caseName/system/controlDict file. To use the code, in your case you are using the BC like

Code:
    outlet
    {
        type            fixedMeanValue;
	meanValue		0;	
        value           uniform 0;
    }
This code has been confirmed to work with 2.1.x and 2.2.x.

But there is a fixedMean boundary condition in 2.2.x that may be what you want also.
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File Type: zip fixedMeanValue-2.x.x.zip (6.2 KB, 64 views)
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