U_topology, u_cell_types, u_geometry = plot. UnstructuredGrid (topology, cell_types, geometry ) write_function (uh ) # 2D contour plots of the mesh and result using pyvista #pv.start_xvfb() # Uncomment the line on WSL system ( 'clear' ) # prints dolfinx version print (f "DOLFINx version: " ) # writing output files in xdmf format with io. # clears the terminal and prints dolfinx version os. import os import numpyįrom dolfinx import mesh, fem, io, plot Technical details of this code is described here. This code solves a simple 2D Poisson problem. Using Python on WSL can be advantageous because of easier compiler access. We strongly recommend installing AnacondaĬopy the following python code and save the file as poisson.py. 20 September, 2021 Python can be used within Windows Subsystem for Linux. Anaconda also has a minimalist version, called Miniconda, which is light weight because it only includes the conda manager and a few packages. Anaconda was already installed on my PC at that point. It also comes with Jupyter Notebook and Spyder IDE. Im using Windows 10 and recently installed Windows Subsystem for Linux. Installation of Anaconda comes with popular Python packages such as NumPy, SciPy, Matplotlib, and. Anaconda uses conda package manager and works well with pip (Python’s default package manager). So, we will use a popular Python distribution, Anaconda, to manage all the Python based libraries and relevant dependencies. Installing the right version of those packages and maintaining them is often a complex task even for experienced developers. Most of the Python based libraries and packages often depend on other libraries and packages (called dependencies). Even if you are experienced in Python, you might find this interesting ( ). If this is the first time you are using Python, then seat back, it is going to get confusing like this xkcd comic. For both versions, our preferred approach is to install them via Anaconda. Check out the options here for FEniCSx: and here for legacy FEniCS. You can download and install it in different ways. We will demonstrate installing both versions on multiple different platforms here.īoth FEniCSx and FEniCS are available on Linux, macOS, and Windows. So you may want to install a version of it. But many tutorials and legacy codes are perhaps written in legacy FEniCS. The latest stable version of legacy FEniCS was released on April 2019 and its barely updated. In 2020, the developers released a new version of the library and renamed FEniCS as FEniCSx. The FEniCS project originally started in 2003 and was known as FEniCS. FEniCSx is comprised of the libraries UFL, Basix, FFCx and DOLFINx which are the build blocks of it. FEniCSx supports parallel computing with Python and C++ interface. Latest Miniconda Installer Links ¶ Latest - Conda 23.3.1 Python 3.10.FEniCSx is an open source multi-platform computing environment to solve partial differential equations using finite element method. Which does require administrator permissions. However, if you need to, you can install Miniconda system wide, Which does not require administrator permissions and is the most robust type of On Windows, macOS, and Linux, it is best to install Miniconda for the local user,
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