Then to arrive at $Re=\rho u D / \mu = 200$, the viscosity is set to Note that in this non-dimensional setup the mesh is scaled such that the reference length is unity, i.e. Material properties are given in the table below. The initial condition is selected via the variable vector RefState=(/1.,1.0,0.,0.,17.857/) which represents the vector of primitive solution variables $(\rho, u, v, w, p)^T$. The simulation setup is defined in parameter_flexi.ini. If HOPR is not available, the mesh file is supplied in this tutorial. This creates the mesh file Cylinder_Re200_mesh.h5 in HDF5 format. The mesh file used by FLEXI is created by HOPR. If necessary, set the above options and then compile the code by issuing make To check whether they are set, change to your build folder and open the CMake GUI ccmake Table: Cmake options for the cylinder simulation. Make sure that FLEXI is compiled with the CMake options listed in the following table. The goal of this tutorial is to introduce the usage of a new functionality of the posti_visualizerecordpoints tool and the new tool posti_dmd. In this tutorial, the simulation around a two-dimensional circular cylinder at $Re_D=200$ and Ma=0.2$ is considered.
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