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<i class="far fa-calendar-check fa-fw"></i>更新日期:&nbsp;&nbsp;
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<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token function">sudo</span> <span class="token function">apt-get</span> <span class="token function">install</span> libmpfr-dev, libgmp-dev, libboost-all-dev<span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
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<h2 id="三、测试安装结果"><a href="#三、测试安装结果" class="headerlink" title="三、测试安装结果"></a>三、测试安装结果</h2><pre class="line-numbers language-bash" data-language="bash"><code class="language-bash">foamVersion
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simpleFoam<span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span></span></code></pre>
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<p>若输出结果均无报错则安装成功。</p>
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<p>若输出结果均无报错则安装成功，在运行求解器（如icoFoam，simpleFoam等）之前需要先用blockMesh划分网格。</p>
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<h2 id="四、案例测试"><a href="#四、案例测试" class="headerlink" title="四、案例测试"></a>四、案例测试</h2><p>运行命令 <code>run</code>跳转到测试运行目录，运行命令：</p>
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<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token function">cp</span> -r <span class="token string">"<span class="token variable">$FOAM_TUTORIALS</span>"</span>/incompressible/icoFoam/cavity ./
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<span class="token builtin class-name">cd</span> cavity<span aria-hidden="true" class="line-numbers-rows"><span></span><span></span></span></code></pre>
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<p>将tutorials中的cavity测试案例复制到run目录下，并进入cavity文件夹中。</p>
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<p>在system文件夹中有一些运行控制文件，可通过修改这些文件中的值来调整运行参数</p>
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<p><img src="/2024/05/31/ubuntu22-04-an-zhuang-openfoam-v2212/system%E7%9B%AE%E5%BD%95%E7%BB%93%E6%9E%84.png"></p>
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<p>运行命令：</p>
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<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash">blockMesh
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<p>在运行求解器之前需要运行blockMesh划分网格。</p>
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<p>如果要使用mpi进行并行运行，则需要先使用OpenFOAM的并行工具来分割计算域</p>
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<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash">decomposePar<span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
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<p>该命令会自动创建像<code>processor0</code>这样的目录，分解了多少个计算域，就会产生多少个目录，之后要使用多少个线程运行。目录如图所示：</p>
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<p><img src="/2024/05/31/ubuntu22-04-an-zhuang-openfoam-v2212/decomposePar%E7%BB%93%E6%9E%9C.png"></p>
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<p>划分网格、分解计算域后，使用mpi并行运行分解器，要是用哪个分解器可在 <code>controlDict</code>中查看。</p>
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<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash">mpirun -np <span class="token number">9</span> icoFoam -parallel <span class="token operator">&gt;</span> icoFoamRun.log<span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
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<p><strong>Reference：</strong></p>
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<p><a target="_blank" rel="noopener" href="https://www.bilibili.com/list/watchlater?oid=207358298&amp;bvid=BV1Vh411i7to&amp;spm_id_from=333.1007.top_right_bar_window_view_later.content.click">OpenFOAM系列教程</a></p>
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<p><a target="_blank" rel="noopener" href="https://develop.openfoam.com/Development/openfoam/-/blob/master/doc/Build.md">OpenFOAM_v2212构建指南</a></p>
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<p><a target="_blank" rel="noopener" href="https://develop.openfoam.com/Development/ThirdParty-common/blob/develop/BUILD.md">第三方构建指南</a></p>
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<p><a target="_blank" rel="noopener" href="https://zhuanlan.zhihu.com/p/541266216">OpenFOAM安装教程1</a></p>
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<p><a target="_blank" rel="noopener" href="https://blog.csdn.net/qq_45682183/article/details/124945151">OpenFOAM安装教程2</a></p>
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<p><a target="_blank" rel="noopener" href="https://blog.csdn.net/AudrianaZhang/article/details/127043574">OpenFOAM安装教程3</a></p>
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<p><a target="_blank" rel="noopener" href="https://www.cfd-online.com/Forums/openfoam-installation/229950-icofoam-not-installed.html">icofoam未安装问题解决</a></p>
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