View source for Installation/Linux/OpenFOAM-4.1/openSUSE

= Introduction =
This page is dedicated to explaining how to install {{OpenFOAM}} {{version4.1}} in [http://www.opensuse.org openSUSE].

If you do not yet feel comfortable using Linux, then perhaps you better first read the page [[Installation/Working with the Shell|Working with the Shell]] and train a bit with the shell/terminal environments, so you can have a better perception of the steps shown below.
 

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= ''Copy-Paste'' steps =

A few notes before you start copy-pasting:

# Lines that start with {{tt|#}} don't have to be ''copy-pasted''. They are just comments to let you know what's going on.
# One wrong character is enough for breaking this guide, so make sure you can read the characters properly or that the installed language system does not break the copied characters!


== openSUSE Leap 42.1 ==

You can follow either one of these instructions:
* Follow the official instructions for building from source code: [http://openfoam.org/download/4-1-source/ Download v4.1 | Source Pack]
* Install GeekoCFD, which is an openSUSE installation with OpenFOAM pre-installed: [http://albertopassalacqua.com/?cat=3 albertopassalacqua.com - category openSUSE]
* Or follow the instructions below...


'''Discussion thread where you can ask questions about these steps''': {{Installation/NoThreadAskForum}}

Steps:
<ol>
{{Installation/Linux/SwitchToRoot}}
<li>Install the necessary packages:
<bash>zypper install -t pattern devel_C_C++
zypper install cmake libqt4-devel qt4-x11-tools qt4-assistant-adp-devel gnuplot openmpi-devel \
boost-devel cgal-devel gmp-devel mpfr-devel libQtWebKit-devel python-devel
</bash>
'''Note''': If you are going to build with 64-bit integer support (see step #7 for more details), you can also install the package {{tt|metis-devel}}:
<bash>zypper install metis-devel</bash>
</li>

{{Installation/Linux/ExitRoot}}

<li>Now, since we're trying to minimize the number of packages to be built, the Open-MPI package that is available with openSUSE is going to be chosen. The downside is that this requires that you logout and log back in, for the system to update the environment settings.<br>
Nonetheless, we can postpone logging out by running:
<pre>source /etc/profile.d/mpi-selector.sh</pre>
'''Note:''' But keep in mind that until you logout, use this command line on every new terminal window/tab!</li>
<li>Download and unpack (here you can copy-paste all in single go):
<bash>#OpenFOAM downloading and installation
cd ~
mkdir OpenFOAM
cd OpenFOAM
wget "http://download.openfoam.org/source/4-1" -O OpenFOAM-4.1.tgz
wget "http://download.openfoam.org/third-party/4-1" -O ThirdParty-4.1.tgz

tar -xzf OpenFOAM-4.1.tgz
tar -xzf ThirdParty-4.1.tgz

mv OpenFOAM-4.x-version-4.1 OpenFOAM-4.1
mv ThirdParty-4.x-version-4.1 ThirdParty-4.1
</bash></li>

<li>'''Optional''': If the system's METIS installation is to be used (64-bit integer support only), we need to configure the respective file accordingly and fix a few issues:
<bash>mkdir -p ~/.OpenFOAM/4.1/config.sh

echo export METIS_VERSION=metis-5.1.0 > ~/.OpenFOAM/4.1/config.sh/metis
echo export METIS_ARCH_PATH=/usr >> ~/.OpenFOAM/4.1/config.sh/metis

sed -i -e 's=/lib\s=/lib64 =' OpenFOAM-4.1/src/parallel/decompose/metisDecomp/Make/options
sed -i -e 's=/lib/=/lib64/=' OpenFOAM-4.1/src/parallel/decompose/metisDecomp/Allwmake
</bash>
</li>

<li>For building OpenFOAM itself, it depends on whether you have installed the i386 or x86_64 architecture of openSUSE. To check this, run:
<bash>uname -m</bash>
Now, accordingly:
<ul {{NoIndentStyle}}>
<li>For i386:
<bash>#here you can change 4 to the number of cores you've got
source $HOME/OpenFOAM/OpenFOAM-4.1/etc/bashrc WM_ARCH_OPTION=32
</bash></li>

<li>For x86_64, it depends on whether you need 64-bit integer support or not:
<ul {{NoIndentStyle}}>
<li>For building with the normal 32-bit integer support (maximum 2.147×10<sup>9</sup> cells, faces or points):
<bash>source $HOME/OpenFOAM/OpenFOAM-4.1/etc/bashrc
</bash>
</li>
<li>For building with the normal 64-bit integer support (maximum 9.22×10<sup>18</sup> cells, faces or points):
<bash>source $HOME/OpenFOAM/OpenFOAM-4.1/etc/bashrc WM_LABEL_SIZE=64
</bash>
</li>
</ul>
</li>
</ul>
</li>

<li>
Save an ''alias'' in the personal {{tt|.bashrc}} file, simply by running the following command:
<bash>echo "alias of41='source \$HOME/OpenFOAM/OpenFOAM-4.1/etc/bashrc $FOAM_SETTINGS'" >> $HOME/.bashrc
</bash>
{{Installation/Linux/AliasNote|OpenFOAM 4.1|of41}}
</li>

<li>Now, in order to build ParaView 4.4.0 that comes with OpenFOAM, including with the ability to use Python and MPI, several steps are needed:
<ol>
<li>For building ParaView with Python and MPI, it depends on whether you have installed the i686 or x86_64 architecture of openSUSE. To check this, run:
<bash>uname -m</bash>
Now, accordingly:
<ul {{NoIndentStyle}}>
<li>For i686:
<bash>cd $WM_THIRD_PARTY_DIR

#this will take a while... somewhere between 30 minutes to 2 hours or more
./makeParaView -python -mpi -python-lib /usr/lib/libpython2.7.so.1.0 > log.makePV 2>&1</bash>
</li>

<li>For x86_64:
<bash>cd $WM_THIRD_PARTY_DIR

#this will take a while... somewhere between 30 minutes to 2 hours or more
./makeParaView -python -mpi -python-lib /usr/lib64/libpython2.7.so.1.0 > log.makePV 2>&1</bash>
</li>
</ul>
</li>
<li>{{Installation/ParaView/BuildProblemsCheckFAQ|makeParaView|log.makePV}}
</li>
<li>Finally, update the shell environment:
<bash>wmRefresh</bash>
</li>
</ol>
</li>

<li>Now let's build OpenFOAM:<br>
('''Warning''': this may take somewhere from 30 minutes to 6 hours, depending on your machine.)<br>
<bash>#Go into OpenFOAM's main source folder
cd $WM_PROJECT_DIR

# This next command will take a while... somewhere between 30 minutes to 3-6 hours.
./Allwmake -j 4 > log.make 2>&1

#Run it a second time for getting a summary of the installation
./Allwmake -j 4 > log.make 2>&1
</bash>
{{Installation/Linux/NumberOfCores}}
</li>

<li>{{Installation/Linux/CheckIfAllWentWell}}</li>

<li>{{Installation/ReadUserGuideEtAl_OpenFOAMFoundation}}</li>
</ol>


{{Installation/Linux/AliasReminder|OpenFOAM 4.1|of41}}


'''Discussion thread where you can ask questions about these steps''': {{Installation/NoThreadAskForum}}


[[Category:Installing OpenFOAM on Linux]] [[Category:Installing OpenFOAM on openSUSE]]