Helyx-OS (GUI for SnappyHexMesh
 

Hi everybody,
saw that HelyxOS is ready for download!

=>HelyxOS is a preprocessor to run snappyHexMesh and setup cases for running supported solvers (means working OpenFOAM-2.1.x installation nescessary).
http://sourceforge.net/p/helyx-os/wiki/Home/
http://sourceforge.net/p/helyx-os/wi...dInstallation/

thanks to Engys for their great contribution

Downloaded the pre-compiled software: at first glance it seems promising, but I've noticed that only a few discretization schemes are available for convective terms. Though they are probably the most popular and generally effective (1st order upwind, second order linear upwind, limited CD and filtered CD) I wonder if the list will be extended in the future. Anyway, great work and many thanks to the Engys guys!

V.

Dear Vesselin,

keep in mind that there are also some commercial product (Helyx&Elements) based on the same code.
These products will provide much more features and support, so the free of charge product can only be a teaser and full features come with the commercial product.

But it is a nice tool to handle SHM at least and create case setup to a certain point, so preprocessing process becomes less pain.

=> I am not affiliated with ENGYS or any commercial company in the OF-world

Hi Elvis,
I do agree with you, mine was only a remark about a certainly not fundamental aspect (one can simply setup the case with the gui and then go through the fvSchemes file and modify whatever he wants). I also agree that the most interesting thing about the Helyx software is the integration with Snappy, which makes it probably the first concrete attempt to realize a fully integrated (preprocessor+solver+post processor) open source CFD tool. So, once again, thanks to the Engys team!

V.

Greetings to all!

As a tie-in their official news here at the forum: http://www.cfd-online.com/Forums/ope...-openfoam.html
They've also added it to the news section at http://openfoamwiki.net ;)

I've finished up the missing link at http://openfoamwiki.net/index.php/GUI

Mmm... which as lead me to an outdated page: http://openfoamwiki.net/index.php/Main_OtherSoftware

Best regards,
Bruno

Hi Bruno,

I don't know if it is the right place where to ask this question.
I have installed the pre-compiled Helyx version.
When I launch helyx (./helyxOS.sh) I get the following message.
Helyx seems to work apart the GUI part (right side / error loading VTK libraries).

hel[25]cfs10-sanchi /home/sanchi % helyx
java -Xms128m -Xmx1024m -jar /shared/Engys/HelyxOS/v100/lib/HelyxOS.jar
vtkCommonJava loaded
vtkFilteringJava loaded
vtkGraphicsJava loaded
java.lang.UnsatisfiedLinkError: /shared/Engys/HelyxOS/v100/ext/libvtkHybridJava.so.5.10.0: libmpi.so.0: cannot open shared object file: No such file or directory
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(ClassLoader.jav a:1807)
at java.lang.ClassLoader.loadLibrary(ClassLoader.java :1732)
at java.lang.Runtime.loadLibrary0(Runtime.java:823)
at java.lang.System.loadLibrary(System.java:1028)
at eu.engys.helyx.vtk.VTKUtil.loadLibrary(VTKUtil.jav a:87)
at eu.engys.helyx.vtk.VTKUtil.LoadAllNativeLibraries( VTKUtil.java:64)
at eu.engys.helyx.gui.Launcher.main(Launcher.java:44)
Make sure the search path is correct:
/shared/Engys/HelyxOS/v100/jre_linux_x64_VTK/lib/amd64/server:/shared/Engys/HelyxOS/v100/jre_linux_x64_VTK/lib/amd64:/shared/Engys/HelyxOS/v100/jre_linux_x64_VTK/../lib/amd64:/shared/Engys/HelyxOS/v100/ext:/shared/Engys/HelyxOS/v100/jre_linux_x64_VTK/lib/amd64/xawt:/shared/OpenFOAM/ThirdParty-2.1.x/platforms/linux64Gcc/paraview-3.12.0/lib/paraview-3.12:/shared/OpenFOAM/OpenFOAM-2.1.x/platforms/linux64GccDPOpt/lib/openmpi-1.5.3:/shared/OpenFOAM/ThirdParty-2.1.x/platforms/linux64GccDPOpt/lib/openmpi-1.5.3:/shared/OpenFOAM/ThirdParty-2.1.x/platforms/linux64Gcc/openmpi-1.5.3/lib:/shared/OpenFOAM/ThirdParty-2.1.x/platforms/linux64Gcc/openmpi-1.5.3/lib64:/home/sanchi/OpenFOAM/sanchi-2.1.x/platforms/linux64GccDPOpt/lib:/shared/OpenFOAM/site/2.1.x/platforms/linux64GccDPOpt/lib:/shared/OpenFOAM/OpenFOAM-2.1.x/platforms/linux64GccDPOpt/lib:/shared/OpenFOAM/ThirdParty-2.1.x/platforms/linux64GccDPOpt/lib:/shared/OpenFOAM/OpenFOAM-2.1.x/platforms/linux64GccDPOpt/lib/dummy:/opt/mpich/lib:/soft/intel/compiler81_fce/lib:/soft/ParaView/ParaView3/Utilities/VTKPythonWrapping:/soft/ParaView/ParaView3/bin:/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
VTKUtil.librariesAreLoaded() false
[26]cfs10-sanchi /home/sanchi %

Regards,
Stephane.

Hi Stephane,

Search for existing files "libmpi.so*":
In the folder where you have found probably the file "libmpi.so", run this command:
Best regards,
Bruno

Hi Bruno,

For my OF-installation the file "libmpi.so" is located in:
/shared/OpenFOAM/ThirdParty-2.1.x/platforms/linux64Gcc/openmpi-1.5.3/lib

Then:
cd /shared/OpenFOAM/ThirdParty-2.1.x/platforms/linux64Gcc/openmpi-1.5.3/lib
ln -s libmpi.so libmpi.so.0

And now helyx GUI works !

Thanks for your very quick help !

Stephane.

Hi Stephane and anyone else reading this!

I've reported this issue and provided a more generic solution here: http://sourceforge.net/p/helyx-os/di...0ba8384c/#ae90

Best regards,
Bruno

Hi!
I have problems with libraries too.. I can start HelyxOS and set up my mesh, but when i go to "Create mesh" it gives me an error in mesh.run
"blockMesh: error while loading shared libraries: libblockMesh.so: cannot open shared object file: no such file or directory"
Same error for snappyHexMesh (with libfinitevolume.so)..
I'm running Caelinux 2011, with openfoam 2.0.x, i also installed openfoam 2.1.1 and updated /.bashrc settings, but without success.

What can i do?

Greetings Stefano and welcome to the forum!

Mmm.... OK, a few questions:

1. In your "~/.bashrc" file, are you certain that only OpenFOAM 2.1.1 is activated into the shell environment? For more on this subject: Advanced tips for working with the OpenFOAM shell environment
2. Are you able to run blockMesh in the command line?
3. Are you also launching Helyx-OS from the command line, the same command line where you ran blockMesh with success?

Best regards,
Bruno

Thanks!
1. I'm not totally sure, but if it could help, I had the same error even before installing 2.1.1.
2.blockMesh works, obviously it give me an error of dict file not found if i'm not into a case directory.
3. yes, i run all from the same terminal.

Caelinux have also an "openfoam terminal": same error from that, too..

I think i will leave Caelinux for another distro and make a clean Openfoam install if problems goes on.

Right now I won't be able to run some tests with CAELinux, so I can't diagnose the problem until then.

My personal feeling is that CAELinux is good for getting started with things and to get a feel on how things work on Linux per-se and with open-source CAE applications. But after getting familiar with the environment, it's a good experience to step up to the next level and create your own personal installation of a Linux distribution more to your liking and build on it!

Hi,

Just wanted to know whether I am the only one having a bug of not having the 'boundary' file in constant/polyMesh updated correctly by HelyxOS, as well as it seems that whenever we create a new case, the 'blockMeshDict' file is saved in the 'system' folder (not sure why).

Disclaimer: I am running HelyxOS on a 32bit machine. I had to correct a number of dependencies since Engys is only providing so far a 64bit binary, and the compilation instructions seem to be for 64bit as well.

Best regards,
Jose

Hi José,

The "boundary" file only updated for me if I define or change a surface geometry. Volume geometries don't count for the "boundary" file.
I used only the basic geometries that Helyx-OS provides.

Same thing happens in 64bit with the official build. I was going to imply sunday driving was going on, but apparently it's taking advantage of blockMesh's option "-dict" :eek: It does make some sense to place this dict in "system" as well...

I've been meaning to do the same, namely building from source... but Java can be such a pain in the "#$"%#$&... (may FoamX rest in peace :(...)

Best regards,
Bruno

I told them to put blockMeshDict in the system directory. This is the only dictionary that is in polyMesh and makes deleting old meshes dangerous and/or forces you to learn yet another command: foamClearPolyMesh. Much better to have blockMeshDict safe and sound in the system directory. In fact, if I had my way, all input dictionaries would be in the system directory. There is too much senseless legacy in foam imo.

Eugene

Bruno,
Eugene,

Thanks for your comments, it makes some sense indeed to place blockMeshDict in the system directory.

Bruno,

I was able to compile and run HelyxOS on my 32bit openSUSE 12.1 system as long as I used Oracle's Java (did not work with the IcedTea version).

Best regards,
Jose

The part that pains me is the need to also have to search and build the other third-party libraries... VTK and Java is almost given by most Linux distributions, but all of the other dependencies simply take a toll on my patience :(

No way I can run HelixOS :( .. Switched from CAElinux to Ubuntu 12.04, clean install of OpenFoam 2.1.1, updated /.bashrc, works fine.
HelyxOS starts, works almost fine with his "primitives" (only problem I can't use reconstructPar after a parallel run, but i think there a fault of mine somewhere in the settings), but it can't load STL. It crash down with this line in the terminal:

/home/stefano/Engys/HelyxOS/v100/ext/libvtkWidgetsJava.so.5.10.0./helyxOS.sh: riga 124: 32672 Annullato (core dump creato) ${JAVA} ${LOCALEFLAG} ${JFLAG} ${XFLAG} ${HELYXJAR} ${HELYXARG} ${VERBOSITY_LEVEL} $@ 1>&2

and whit this file in HelyxOS folder:

ERROR: In /home/stefano/VTK/IO/vtkSTLReader.cxx, line 378
vtkSTLReader (0x7fe1540012c0): STLReader error reading file: /home/stefano/.HelyxOS/tmp/tmp_2012.08.08_17.27.54_446/tokens21702/camera2.stl_vcg Premature EOF while reading point.

I tried several ASCII STL, exported from different software (blender and meshlab), no one works.

Any suggestion?

This could be a problem with the decimal separator in your STl

http://sourceforge.net/p/helyx-os/tickets/31/

Its currently listed as a known issue and getting fixed.