该文指导用户在Ubuntu系统中通过sudoapt-get命令安装一系列开发工具和依赖库，包括build-essential,openmpi等。之后从SourceForge.net下载OpenFOAM和ThirdParty源码，解压并设置环境变量。接着进行编译检查和安装测试，最后运行paraFoam来验证安装成功。
sudo apt update
sudo apt-get update
sudo apt-get install build-essential autoconf autotools-dev cmake gawk gnuplot
sudo apt-get install flex libfl-dev libreadline-dev zlib1g-dev openmpi-bin libopenmpi-dev mpi-default-bin mpi-default-dev
sudo apt-get install libgmp-dev libmpfr-dev libmpc-dev
sudo apt-get install qt5-default libqt5x11extras5-dev qttools5-dev curl
sudo apt-get install libscotch-dev libptscotch-dev libfftw3-dev libboost-system-dev libboost-thread-de
openfoam下载地址 OpenFOAM download | SourceForge.net
https://sourceforge.net/projects/openfoam/
第三方库下载地址 OpenFOAM download | SourceForge.net
https://sourceforge.net/projects/openfoam/files/v2006/ThirdParty-v2006.tgz/download
解压openfoam和ThirdParty
tar -xzf OpenFOAM-v2006.tgz
tar -xzf ThirdParty-v2006.tgz
添加环境变量 source +open安装包内etc目录下bashrc文件的绝对路径
重新打开终端，刷新环境变量。
进入openFOAM-v2006文件夹
输入foamSystemCheck #检查环境配置是否正确。
./Allwmake -j -q -s -l #开始编译
foamInstallationTest #验证
进入ThirdParty
./Allwmake -j -q -s -l
编译完成后输入wmRefresh，显示如下
然后键入paraFoam即可运行
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