公式サイトのインストール手順ではlibQtWebKit-develが見つからないとエラーが出るため，OpenFOAM wikiの方を参考にする．

# zypper install -t pattern devel_C_C++
# zypper install cmake \
libqt5-qtbase-devel libqt5-qttools-devel libqt5-qtx11extras-devel libqt5-qtxmlpatterns-devel \
gnuplot openmpi-devel boost-devel cgal-devel gmp-devel mpfr-devel python3-devel libXt-devel glu-devel

$ mpi-selector --set openmpi
$ source /etc/profile.d/mpi-selector.sh

$ mkdir -p $HOME/OpenFOAM
$ cd OpenFOAM
$ wget -O - http://dl.openfoam.org/source/8 | tar xvz
$ mv OpenFOAM-8-version-8 OpenFOAM-8
$ wget -O - http://dl.openfoam.org/third-party/8 | tar xvz
$ mv ThirdParty-8-version-8 ThirdParty-8