Gmsh Tutorial

Moreover, it is straight forward to convert pure. Introduction. The cloud version of SwiftComp uses a GUI developed based on Gmsh and a structural solver modified from Calculix. Previous message (by thread): [Gmsh] Version of MINGW GCC used in CYGWIN to compile?. Genuine Exterior - $1,111. Tutorial 1 PDF file. The classification of these apps groups is more or less related to their percieved functions in a typical engineering computing environment. Tutorial collections. comm everything looks fine. I can make every irregular grid point be a "Point" in gmsh with a little python function:. It is aimed towards complete beginners; only some ba-sic knowledge of the Linux terminal and a text editor is assumed. A multi-threaded solver takes advantage of current multi-core CPU systems, and can utilize more than 4 GB of RAM. An introduction to geometrical modelling and Today Gmsh enjoys a thriving community of several hundred users and including several hands-on tutorial examples. This section assumes you know your way in Gmsh and you have used gmshToFoam (2D_Mesh_Tutorial_using_GMSH) before 1. It is aimed towards complete beginners; only some basic knowledge of the Linux terminal and a text editor is assumed. Another method to specify characteristic lengths is to // use a background mesh (see `t7. This tutorial is intended to explain how to generated meshes using Gmsh, convert them to the dolfin xml mesh format, and read them in for your simulation. Introduction. {A Gmsh tutorial}, accessible via \href. Introduction. From CAELinuxWiki. Latest package release Version 1. A new branch will be created in your fork and a new merge request will be started. If you feel the cloud version is not convenient. msh Setup the your OpenFOAM flow case, e. I'm actually generating points with a specific pg, then the. To provide an accurate description of natural systems at different spatial and temporal scales, the reactive transport code has to deal with coupling of different physical and chemical phenomena. This enables sophisticated and efficient meshing techniques which automatically translate the user-defined object-based model into. In this tutorial we will compute frequency-dependent scattering and absorption profiles for the following varieties of plasmonic nanoparticle configuration:. Gmsh tutorial 5. All these software are open source. msh suffix t5d Opening the Gmsh file Reading MeshFormat Reading PhysicalNames Reading Nodes Creating the dolfyn. Introduction to Gmsh (building of geometries and meshes at progressive levels of complexity). I hope that gmsh comes in package named gmsh. Prerequisites for OpenFOAM Spoken Tutorials:. CMake is an open-source, cross-platform family of tools designed to build, test and package software. One of the primary benefits to the hobby builder is the ability to export a full scale drawing of the frame design. Latest package release Version 1. Report: The Role of HIV Positive Gay & Bisexual men in contributing to Holistic Wellness: Preventing Ill Health, Protecting and Promoting Quality of Life. The binary file gmsh is located in bin/gmsh in the compressed downloaded file. 0 ascii format. Python's documentation, tutorials, and guides are constantly evolving. Transfer your mesh from GMSH to Matlab I believe examples are on of the best ways to learn, so I start from an example. = Step by step tutorial in PDF format = Files required to complete the tutorials (including the. The different chapters each correspond to a 1 to 2 hours course with increasing level of expertise, from beginner to expert. Hello, I'm trying to run a test case of a 2-D airfoil (similar to the airFoil2D tutorial case). MSH is a data directory which contains examples of MSH files, which define a 3D finite element mesh for the GMSH meshing program. i have gone through Gmsh video in spoken tutorials. For unexperienced users we recommend to start with cmake-gui – a cross-platform GUI tool provided by CMake on Windows. Overview Octave is the "open-source Matlab" Octave is a great gnuplot wrapper www. 4 foam-extend-3. When the mesh is written by gmsh only "physical entities" are written out the the *. NOTE: some parts of the tutorial refer to previous releases of LifeV and of the third-part libraries. Gmsh is built around four modules: geometry, mesh, solver and post-processing. msh format), from Nastran (. 6 Nov Gmsh CAD and STEP file import, and mesh generation tutorial for the FEATool Matlab FEM simulation toolbox. It is aimed towards complete beginners; only some ba- sic knowledge of the Linux. This document is a tutorial on the Gmsh mesh generator. This volume, referred as volumetric mesh will serve as a domain for FEM c. 0 ascii format. It is completely free: the default ONELAB software bundle contains the mesh generator Gmsh, the finite element solver GetDP and the optimization library conveks. Report: The Role of HIV Positive Gay & Bisexual men in contributing to Holistic Wellness: Preventing Ill Health, Protecting and Promoting Quality of Life. From design to mesh generation using FreeCAD and GMSH. I would want to know if there is a simple manner to import a cad file to gmsh to create a the mesh that then i'll export to openfoam. It is mainly a mesh generator, provided with a CAD (Computer-Aided Design) engine and a post-processor tool. com 2D meshing with boundary layer, tutorial. Durham University OpenFOAM Tutorial The Durham OpenFOAM Tutorial Introduction This provides a short step by step guide to calculating the flow around an aerofoil using the OpenFOAM package. Line 29, the visualization is done as illustrated in Fig. For gmsh version 3. ONELAB is an open-source, lightweight interface to finite element software. Step 2 Click the Quick cube button to create a hexahedron element. I read carefully jean pierre aubry's tutorial and I don't know what can be wrong with my mesh. Find a detailed description of the code philosophy, components, and implementations in the SU2 AIAA Journal article. geo and t3b. Used to construct the SCEC Community Fault Model and SCEC Community Velocity Model-H (i. Gmsh Gmsh Reference Manual The documentation for Gmsh 2. 关于gmsh_tutorial. Gmsh is an open-source 3D finite element mesh generator. Gmsh: a three-dimensional finite element mesh generator with built-in pre- and post-processing facilities Gmsh is a 3D finite element grid generator with a build-in CAD engine and post-processor. FIRST file with the instructions on how. Cimbala, Penn State University Latest revision: 17 January 2011. Moody3, Rommie E. vtk file), convert it to a set of points that can be used for simulation with SPH. I am using gmsh as a meshing tool and followed the [Gmsh] gmsh and boundary layers -- CFD Online Discussion Forums. GetDP is a free finite element solver using mixed elements to discretize de Rham-type complexes in one, two and three dimensions. A three-dimensional, structured mesh example. > Thank to Mikhail Titov's advice I found in utils/api_demos the examples > of using Gmsh API. You share interesting things here. geo) Fifth tutorial (t5. Mesh generation for Toast problems with Gmsh Mesh generation - Tutorial 1: Build a spherical mesh. This document is a tutorial on the Gmsh mesh generator. apt-get remove gmsh -y Here is the tutorial to learn how to uninstall gmsh with apt-get command. Gmsh is a three-dimensional finite element grid generator with a build-in CAD engine and post-processor. If you want a quick start, you can watch our Gmsh4SC Tutorial Video Series. It's a common misconception that relative paths are relative to the location of the python script, but this is untrue. 2 is the geometry we will now. Gmsh is a three-dimensional finite element mesh generator with a build-in CAD engine and post-processor. AMCG Gmsh tutorial. 04 and Gmsh version 2. The structure of the model is a cuboid > space with some simple bodies whose properties differ from the cuboid > space(We call them anomalies) inside it. Gmsh (64-Bit) is a 3D finite element grid generator with a build-in CAD engine and post-processor. The license, under which contributors publish their material is stated on each page individually. 0 International License, except where stated otherwise Based on a work at https://spoken-tutorial. Figure 1: The nal product 2 From advectionDi usionFoam/implicitAdvec-. geo"; // We can then add new points and lines in the same way as we did in // `t1. As well as meshing arbitrary geometries, Gmsh partitions meshes for parallel simulations. Gmsh is a powerful mesh generation tool with a scripting language that is notoriously hard to write. The Central Administrative Tribunal (CAT) on Tuesday directed the UT administration to consider the promotion plea of the Assistant Medical Officers (AMOs) at Government Multi Specialty Hospital (GMSH) in Sector 16 as per recruitment rules and grant them promotion within a period of three months if found eligible. (Input must be in Gmsh version 2. Task: Construct a mesh with arbitrary geometry, boundaries and regions for computations in GIMLi. The package mostly looks good. geo) Fourth tutorial (t4. Visit the post for more. Tutorials – Tutorials and supplemental documentation; Documentation – Manuals, technical notes, and documentation distributed with CSI Software. geo) Seventh tutorial (STL file of a man) Eighth tutorial (Von Karman vortex street) Seventh tutorial (STL file of a man) File needed: The (gzipped) STL, Gmsh and dolfyn data files dataset2. anisim Open Source Engineering Software 4,856 views. Timing are 5. Here you find examples for modelling and inversion of various geophysical methods as well as interesting usage examples of pyGIMLi. I have never been able to do it. The built-in geometry definition and mesher can be used for now for rather simple 2D or extruded 3D geometries. Cimbala, Penn State University Latest revision: 17 January 2011. geo file, where part_name is replaced by the name you choose for the file. DBBSManagement. The SU2 team is changing this, making multiphysics analysis and design optimization software freely available and involving everyone in its creation and development. Learn CFD from fudamentals to advanced topics using our toolbox Here you can find the comprehensive list of tutorials. geo) Seventh tutorial (STL file of a man) Eighth tutorial (Von Karman vortex street) Seventh tutorial (STL file of a man) File needed: The (gzipped) STL, Gmsh and dolfyn data files dataset2. B echet2, E. The color is depth. Ole Lindberg Introduction to OpenFOAM. It aims to offer the most flexible framework for solving potentially coupled systems of linear and nonlinear partial differential equations with the finite element method. Gmsh has to be compiled with OpenCascade support for this to work. In response to the many changes which impact HIV prevention and care as well as the overall health of gay men, the Gay Men’s Sexual Health Alliance (GMSH) in May 2016, set out to conduct a review of current “POZ Prevention. Its modular toolkit-like structure allows for development of open modules and private industrial sensitive projects. Prerequisites for OpenFOAM Spoken Tutorials:. geo) Second and third tutorial (t3a. Step 2 Click the Quick cube button to create a hexahedron element. The user manuals and source codes of modified Gmsh and Calculix can be found in the supporting documents. Step 1 Change to Select faces mode. 19 Jun This document is a tutorial on the GMSH mesh generator. Although having a graphical interface, one of its strong points is that it accepts. These tutorials are created using Ubuntu 10. Henrotte1, T. Kim, Assoc. For this reason we organize the material into different tutorial series. This release now relies on compilers supporting C++11 or higher. 055; // If we wanted to change these lengths globally (without changing the // above definitions), we could give a global scaling factor for all. Gmsh is the smallest and most quickly set up open source tool we are aware of. • Validated the test results using OPENFOAM, ANSYS FLUENT and research papers. I am just looking at a simple inbuilt fenics mesh or Gmsh, and trying to implement 'expression' with different values using if-else statement to define properties in different regions of the mesh. msh) files into PreView. The tutorials are numbered roughly in order of their complexity and how experienced with the code the user may need to be, noting that the more advanced tutorials may assume the user has already worked through the earlier ones. FYI and not knowing if it can be useful or not, here is an example of Gmsh hex mesh. geo and t3b. geo) Second and third tutorial (t3a. Gmsh: A three-dimensional finite element mesh generator UMFPACK: unsymmetric multifrontal sparse LU factorization package ( UMFPACK ) MUMPS: A MUltifrontal Massively Parallel sparse direct Solver ( MUMPS ). Its design goal is to provide a fast, light and user-friendly meshing tool with parametric input and advanced visualization capabilities. geo) Fourth tutorial (t4. On 04/10/10 07:32, Mikhail Artemiev wrote: > Hi everybody once more!> Now I am ready to share my experience to use Gmsh functions in my own > program. "Physical Points" and "Physical Lines" are useless to dolfyn and will interfere with the communication from Gmsh to and from dolfyn. 2 On Mon, Dec 2, 2013 at 10:49 AM, charles quarra wrote: > > Hi, > > I'm just learning gmsh from the tutorial, and I have some questions > regarding gmsh geometry design, > > I have two Bsplines with common start and end points that are not coplanar > to each other. Introducción a GMSH. By now you should have a good understanding of the very basics of OpenFOAM. air, water, etc. Gmsh is an open source 3D finite element mesh generator with a built-in CAD engine and post-processor. An tutorial showing how to import grids from text files can be found in the corresponding grid import and export section. This document is a tutorial on the Gmsh mesh generator. Sincerely Yours, Guillaume Dilasser -----Message d'origine----- De : gmsh De la part de Rohracker, Maurice Envoyé : vendredi 3 janvier 2020 14:52 À : [email protected] Gmsh' Physical Surfaces are used as dolfyn boundaries. ONELAB is an open-source, lightweight interface to finite element software. But the standard in gmsh is not to allow such meshes (If the compound is exported from gmsh to geo it can be seen gmsh uses two regions one for each box. In addition to being a fully integrated FEA multiphysics toolbox, and interfacing with the FEniCS FEM solver and external mesh generators such as DistMesh, GiD, Gmsh, and Triangle, the highlight of the new version is introducing a fully integrated and cross-platform OpenFOAM CFD GUI interface for MATLAB and GNU Octave. geo) Sixth tutorial (t6. In response to the many changes which impact HIV prevention and care as well as the overall health of gay men, the Gay Men’s Sexual Health Alliance (GMSH) in May 2016, set out to conduct a review of current “POZ Prevention. In particular, you should definitely have a look. Gmsh screencasts Creating a 3D model using constructive solid geometry (new in Gmsh 3. msh Setup the your OpenFOAM flow case, e. License: Free for non-commercial use, MIT License (MIT for the wrapper/non-commercial for the Triangle/GNU Affero Public License for TetGen). Gmsh is an automatic three-dimensional finite element mesh generator with built-in pre- and post-processing facilities. inp) Run calculix. 5 million free CAD files from the largest collection of professional designers, engineers, manufacturers, and students on the planet. The license, under which contributors publish their material is stated on each page individually. Released under the GNU General Public License, Gmsh is free software. Gmsh is the smallest and most quickly set up open source tool we are aware of. It is aimed towards complete beginners; only some ba- sic knowledge of the Linux. This is a tutorial example showing how to import STEP model into Gmsh, and generate a 3D volume finite element. geo"; // Delete the left line and create replace it with. The purpose of this tutorial is not to explain all functions of gmsh, but to describe the features useful for setting a model and getting a mesh for SeisSol. I'd like to generate a two-dimensional quadrilateral mesh using Gmsh. Task: Construct a mesh with arbitrary geometry, boundaries and regions for computations in GIMLi. Its design goal is to provide a simple meshing tool for academic problems with parametric input and advanced visualization capabilities. Stackless is an experimental implementation that supports continuations, generators, microthreads, and coroutines. 19 Jun This document is a tutorial on the GMSH mesh generator. • Hosted a seminar for the Energy Systems Design Laboratory on how to use Gmsh. Some of these translation tools are not complete. The cloud version of SwiftComp uses a GUI developed based on Gmsh and a structural solver modified from Calculix. The mesh should be such that its cells are "as quadratic as possible" with a given edge length. A spoken tutorial is a an audio-video tutorial that explains an activity performed on the computer. An introduction to geometrical modelling and Today Gmsh enjoys a thriving community of several hundred users and including several hands-on tutorial examples. This release now relies on compilers supporting C++11 or higher. What I am looking to do is to set a different mesh size for different faces in my 2D geometry. Gmsh简介Gmsh是一款开源的三维非结构有限元网格生成软件. Boundless Electrical Resistivity Tomography BERT 2 { the user tutorial Thomas Gun ther & Carsten Ruc kery April 16, 2019 version 2. Successfully installed Octave 3. Toast++ doesn't include its own mesh generator except for trivial meshes like circles, spheres and slabs without internal boundaries. It is recommended to perform these steps once in GMSH manually and to transfer the CutPlane parameters to the script above. The book's title is "Beginning with Code_Aster. geo) in a text editor, using Gmsh's syntax. This document is a tutorial on the Gmsh mesh generator. geo) Seventh tutorial (STL file of a man) Eighth tutorial (Von Karman vortex street) Sixth model (t6. Gmsh has to be compiled with OpenCascade support for this to work. Learn how to use GMS through step-by-step tutorials. Tutorial collections. I have a file in format iges. Hello, I see on Paul Carrico tutorial that GMSH can't postprocessing Quadratic eleemnt, so I think to read the COQUE_3D result I need to convert the quadratic result in linear result. Than using dolfin-convert you will obtain. There are also other gmsh tutorials available online. (Input must be in Gmsh version 2. I am able to remesh. For unexperienced users we recommend to start with cmake-gui – a cross-platform GUI tool provided by CMake on Windows. Gmsh is a free 3D finite element grid generator with a build-in CAD engine and post-processor. I have created it in Solidworks and I am able to open it in Gmsh without any issue. Good for constructing fault surfaces from geologic data sets. Another method to specify characteristic lengths is to // use a background mesh (see `t7. This enables sophisticated and efficient meshing techniques which automatically translate the user-defined object-based model into. The FEM files include a node file, which simply lists the coordinates of each node, and an element connectivity file, which lists, for each element, the indices of the nodes that define it. Permissions beyond the scope of this license may be available at https://spoken-tutorial. An Open Source Mesh Generation Platform for Biophysical Modeling Using Realistic Cellular Geometries Christopher T. Its design goal is to provide a fast, light and user-friendly meshing tool with. Moreover, it is straight forward to convert pure. The goal of pygmsh is to combine the power of Gmsh with the versatility of Python and to provide useful abstractions from the Gmsh scripting language so you can create complex geometries more easily. Many examples and tutorials are given there after and in the examples section. From CAELinuxWiki. That's all for today, hope you understand better now how to export your mesh into other formats such as GMSH, GIBI or ASTER… Let me know if I missed something or if there is something more you want to be able to do in Salome_Meca :). interactively using the graphical user interface or in text data files using Gmsh own scripting language. OpenFOAM - Airfoil Calculations. Python's documentation, tutorials, and guides are constantly evolving. 0 International License, except where stated otherwise Based on a work at https://spoken-tutorial. The pre-lab tutorials and assignments should be completed before coming into the laboratory session. Here a simple image of OM symbol is taken and converted into a geo file. vtk file), convert it to a set of points that can be used for simulation with SPH. The reader should be familiar with the geometry they will be creating in this section; the annulus the reader opened and meshed in section 1. A three-dimensional, structured mesh example. An introduction to geometrical modelling and Today Gmsh enjoys a thriving community of several hundred users and including several hands-on tutorial examples. Introduction to GetDP (elementary notions). GMSH: Tutorial-11 Description and features: As explained in tutorials 3 and 6, the extruded and transfinite meshes can be "recombined" into quads/prisms/hexahedra by using the "Recombine" keyword to generate structured mesh. /extract/flux should look like follows 1):. Hermes hp-FEM & hp-DG Library. A Cookbook for the Haskell XML Toolbox with Examples for Processing RDF Documents of M. Dependencies. GetDP is a finite-element solver integrated with Gmsh. I have a simple question today. When GetDP is linked with the Gmsh library, read a file using Gmsh. Element size Open the mesh in ElmerGUI Perform a simple thermal analysis if you have time Tutorial 2 of Gmsh. • Created various geometries using the software package - GMSH, the geometry files were converted to data file using the code and flow simulations for different initial and boundary conditions were carried out. GMSH allows the user to work with a visual interface, or with script files. Figure 10: The Gmsh windows showing the mesh. Some of these translation tools are not complete. This tutorial demonstrates how to mesh tubular geometries with Gmsh using the centerlines computed with vmtk. When the mesh is written by gmsh only "physical entities" are written out the the *. FIRST file with the instructions on how. Bempp may export and import grids and grid functions using the Gmsh v2. Elmer development was started 1995 in collaboration with Finnish Universities, research institutes and industry. It is aimed towards complete beginners; only some ba-sic knowledge of the Linux terminal and a text editor isassumed. Camera Operation Result left. This basic tutorial covers 3D geometries. (Line loops are used to create surfaces: see Surfaces. nas format) or from various other supported mesh formats (see the mesh object in the documentation). Tutorials – Tutorials and supplemental documentation; Documentation – Manuals, technical notes, and documentation distributed with CSI Software. OK, that's funny I dont's have a ubuntu virtual machine to test it, so please be careful. Search Tutorials Installing and running Gmsh Gmsh. The created text file can be imported in GMSH to generate mesh. It is aimed towards complete beginners; only some ba-sic knowledge of the Linux terminal and a text editor isassumed. Varas Departamento de Matemática Aplicada II Universidad de Vigo Introducción a Elmer, sofware libre de simulación numérica multifísica A Coruña, 27 de Junio al 1 de Julio de 2011 M. This list is for questions and discussions about Gmsh features, resources, bugs, and so forth. This document is a tutorial on the Gmsh mesh generator. Tutorials on the scientific Python ecosystem: a quick introduction to central tools and techniques. I hope that gmsh comes in package named gmsh. SporeModder FX The most advanced and modern Spore modding tool. /***** * * Gmsh tutorial 5 * * Characteristic lengths, arrays of variables, functions, loops * *****/ // Again, we start be defining some characteristic lengths: lcar1 =. 2 specification for GPU acceleration. On 5-Jul-08, at 2:50 AM, Shi Jin wrote: > Hi there, > > I am trying to use gmsh to visualize my FEM simulation results. To load a 2D. Gmsh is the smallest and most quickly set up open source tool we are aware of. Can anyone give any suggestions on some easy to use movie making software? I would like to have the ability to "zoom" in on photos as well as fade them in and out. The main feature of GetDP is the closeness between the input data defining discrete problems (written by the user in ASCII data files) and the symbolic mathematical expressions of these problems. Hello, I see on Paul Carrico tutorial that GMSH can't postprocessing Quadratic eleemnt, so I think to read the COQUE_3D result I need to convert the quadratic result in linear result. A Cookbook for the Haskell XML Toolbox with Examples for Processing RDF Documents of M. i have gone through Gmsh video in spoken tutorials. Where there is outflow, the condition is well posed, where there is inflow, the phase fraction is fixed with a value of 0, corresponding to 100% air. The official registration form for the critically acclaimed Get Money Stop Hatin Tour. by Sohail December 7, 2019 December 7, 2019 0. Used to construct the SCEC Community Fault Model and SCEC Community Velocity Model-H (i. Swasth Bharat Yatra. 0 with two physical surfaces. PATC FEM - GMSH-GUI-VTU example Cooling of steel block by periodic pipes A walk-through demonstration. ) Input Gmsh filename, excluding the. Die Gebäudemanagement Schleswig-Holstein AöR (GMSH) ist eine Anstalt des öffentlichen Rechts, die nach wirtschaftlichen Grundsätzen arbeitet. The aditional fields DistMin, DistMax, LcMin,LcMax are used to create a mesh with element sizes that vary linearly from 50 m at the stream to 500 m at a distance 500 m away from the stream. First tutorial (t2. Figure 10: The Gmsh windows showing the mesh. mesh file readable by Gmsh (not anymore compatible with Medit) you can run mmg2d with the -msh 1 command line argument. 6 Nov Gmsh CAD and STEP file import, and mesh generation tutorial for the FEATool Matlab FEM simulation toolbox. gmsh Web Site Other Useful Business Software Kizen is the only perfectly-integrated growth platform, purpose-built to help businesses acquire more new customers, sell more to existing customers, save time, and deliver personalized experiences customers love. This basic tutorial covers 3D geometries. Chapter 1: Overview 5 1 Overview Gmsh is a three-dimensional finite element mesh generator with a build-in CAD engine and post-processor. PATC FEM – GMSH-GUI-VTU example Cooling of steel block by periodic pipes A walk-through demonstration. If you want a quick start, you can watch our Gmsh4SC Tutorial Video Series. Hello, I'm trying to run a test case of a 2-D airfoil (similar to the airFoil2D tutorial case). Mesh generation for Toast problems with Gmsh Mesh generation - Tutorial 1: Build a spherical mesh. save mesh 5. I am currently working on a remeshing algorithm for Abaqus using Gmsh as part of my Bachelors thesis and I seem to be stuck at some point. 1 Conversion The exported UNV file has to be converted to OpenFOAM format. It sounds like you prefer using GMSH and there is merit in using this meshing software. Package Installation. Join GitHub today. Make sure to read the model files: each new feature is explained directly where it is used in the form of inline comments. Lab marks will be based on assigned lab problems as well as oral and written lab quizzes testing your understanding of what was covered in each laboratory. This provides a short step by step guide to meshing an aerofoil using the gmsh package. Overview Octave is the "open-source Matlab" Octave is a great gnuplot wrapper www. If you feel the cloud version is not convenient. Gmsh is a great free mesh generator. 1 did not solve problem with mpirun in blueCFD-Core 2. Kim, Assoc. Each tutorial attempts to present new features of SU2 and contains explanations for the key configuration file options. Unix makefiles) or IDE (e. Commercial software for constructing and interpreting models of geologic structure. 0 ascii format. 5 OpenFOAM version 2. View Notes - Tutorial_1 from CSCI 201A at University of California, Davis. A Gmsh tutorial. Bempp may export and import grids and grid functions using the Gmsh v2. There is a tutorial on the Gmsh site as well. apt-get remove gmsh -y Here is the tutorial to learn how to uninstall gmsh with apt-get command. It is aimed towards complete beginners; only some ba-sic knowledge of the Linux terminal and a text editor is assumed. Use the Gmsh tutorial and edit the file "t1.