> For the complete documentation index, see [llms.txt](https://docs-ksc.gitbook.io/blog/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs-ksc.gitbook.io/blog/install/nurion/openfoam/nurion-openfoam-v1912-install.md).

# OpenFOAM-v1912 설치 소개

이  문서에서는 OpenFOAM-v1912 을 컴파일 하여 설치 하는 방법에 대해 예시로 소개합니다.

## **가. 설치 환경**

| 구분                      | 내용                     |
| ----------------------- | ---------------------- |
| 대상 시스템                  | 누리온                    |
| OS Version              | 리눅스 / CentOS 7.9       |
| CPU                     | <p>Intel Xeon Phi 7250 |
| <br>Intel Xeon 6148</p> |                        |
| 컴파일러                    | Intel 2018.3           |
| MPI                     | IntelMPI 2018.3        |
| 기타                      |                        |

## **나. 설치 전 환경 설정**

OpenFOAM-v1912 버전 설치에 필요한 gmp, mpfr, mpc, boost, CGAL 는 누리온 시스템에 미리 설치된 /apps/common 라이브러리들을 사용합니다.\
만약 다른 버전의 gmp, mpfr, mpc, boost, CGAL 가 필요한 경우는 사용자의 홈 디렉터리(/home01/$USER)나 scratch 디렉터리(/scratch/$USER)에 설치 후 환경 설정을 해서 사용하시면 됩니다.

\[ 환경 설정 ]

<pre class="language-shell-session"><code class="lang-shell-session"><strong>$ module purge
</strong><strong>$ module load cmake/3.12.3 
</strong><strong>$ module load intel/18.0.3 impi/18.0.3
</strong></code></pre>

## **다. OpenFOAM-v1912 버전 설치 과정**

설치 과정 소개는 tar 를 이용한 압축 해제 방법과 설정 방법등 진행 절차를 위주로 설명하고,\
소스 파일 다운로드 등은 생략합니다. 설치 소개 시 사용된 경로 <mark style="color:blue;">**/scratch/$USER**</mark> 는 설치 안내를 위한 경로 이므로 설치를 희망하는 경로로 작성하시기 바랍니다.

\[설치과정]

```shell-session
$ cd /scratch/$USER
$ mkdir OpenFOAM
$ cd OpenFOAM
$ tar -xzf OpenFOAM-v1912.tgz
$ tar -xzf ThirdParty-v1912.tgz
$ sed -i -e 's/\(boost_version=\)boost_1_64_0/\1boost-system/' OpenFOAM-v1912/etc/config.sh/CGAL
$ sed -i -e 's/\(cgal_version=\)CGAL-4.9.1/\1cgal-system/' OpenFOAM-v1912/etc/config.sh/CGAL
$ vi OpenFOAM-v1912/etc/bashrc
- - - [bashrc 수정 사항] 참고 - - -
$ mkdir -p OpenFOAM-v1912/platforms/linux64IccDPInt64Opt/bin
$ source /scratch/{USER_ID}/OpenFOAM/OpenFOAM-v1912/etc/bashrc
$ mkdir -p $WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER
$ ln -s /apps/common/gmp/6.1.2 $WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER/gmp-system
$ ln -s /apps/common/mpfr/4.0.1 $WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER/mpfr-system
$ ln -s /apps/common/mpc/1.1.0 $WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER/mpc-system
$ ln -s /apps/common/boost/1.68.0 $WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER/boost-system
$ ln -s /apps/common/CGAL/4.9.1 $WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER/cgal-system
$ ln -s /apps/applications/cmake/3.12.3 $WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER/cmake-system
$ cd $WM_PROJECT_DIR
$ ./Allwmake
```

**\[bashrc 수정 사항]**

```bash
61line : export WM_COMPILER=Icc
69line : export WM_LABEL_SIZE=64
80line : export WM_MPLIB=INTELMPI
```

## **라. 테스트**

```shell-session
$ module purge
$ module load intel/18.0.3 impi/18.0.3
$ source /scratch/$USER/OpenFOAM/OpenFOAM-v1912/etc/bashrc
$ mkdir -p $FOAM_RUN
$ run
$ cp -r $FOAM_TUTORIALS/incompressible/simpleFoam/pitzDaily .
$ cd pitzDaily
$ blockMesh
$ simpleFoam
```

<mark style="color:blue;">※ 위 예제에서</mark> <mark style="color:blue;">**/scratch/$USER**</mark> <mark style="color:blue;"></mark><mark style="color:blue;">경로는 설치 테스트 시 사용된 경로이므로 변경</mark>


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