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Its design goal is to provide a fast, light and user-friendly meshing tool with parametric input and advanced visualization capabilities.

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Gmsh is an open source 3D finite element mesh generator with a built-in CAD engine and post-processor. OpenFOAM releases are scheduled every six months in June and December.

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Tests are designed to assess regression behaviour, memory usage, code performance and scalability.

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The process of code evaluation, verification and validation includes several hundred daily unit tests, a medium-sized test battery run on a weekly basis, and large industry-based test battery run prior to new version releases. Quality assurance is based on rigorous testing. It is independently tested by ESI-OpenCFD's Application Specialists, Development Partners and selected customers, and supported by ESI's worldwide infrastructure, values and commitment. OpenFOAM is professionally released every six months to include customer sponsored developments and contributions from the community. OpenFOAM has an extensive range of features to solve anything from complex fluid flows involving chemical reactions, turbulence and heat transfer, to acoustics, solid mechanics and electromagnetics. It has a large user base across most areas of engineering and science, from both commercial and academic organisations.

OpenFOAM is the free, open source CFD software developed primarily by OpenCFD Ltd since 2004.

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And don't forget all these features are based on open-source / free softwares, so now you don't have to pay for any expensive licenses and if you want, you can even improve it. With the integrated open-source tools of CAELinux, you can simulate incredibly complex physics with the open-source FE & CFD solvers Code_Aster, Code-Saturne, OpenFOAM & Elmer: non-linear thermo-mechanics, coupled fluid-structure dynamics, seismic / non-linear explicit dynamics, contacts, visco-plasticity, fluid dynamics, heat exchange, convection heat transfer and radiation in other words nearly all physics problem can be addressed with the integrated solvers!! Then reload your results files in post-processing applications like Salomé, GMSH or Paraview to visualize your data in 3D. Welcome to, the website dedicated to the open source computer aided engineering Linux distribution CAElinux.

Postprocessing: visualizing the analysis results from within FreeCAD, or exporting the results so they can be postprocessed with another application.

Solving: running an external solver from within FreeCAD.

Creating a finite element mesh for the geometrical model, or importing it from a different application.

Adding materials to the parts off the geometric model.

Adding simulation constraints such as loads and fixed supports to the geometric model.

Modeling the geometry: creating the geometry with FreeCAD, or importing it from a different application.

Preprocessing: setting up the analysis problem.

The steps to carry out a finite element analysis are: Mainly this means all tools to make an analysis are combined into one graphical user interface (GUI). The FEM Workbench provides a modern finite element analysis (FEA) workflow for FreeCAD. FreeCAD - FEM workbench - About FreeCAD

Display computation results (scalar, vectorial data).

Perform computation using one or more external solvers (coupling).Handle physical properties and quantities attached to geometrical items.Generate mesh for CAD models edit meshes check mesh quality import and export mesh data (MED, UNV, DAT, STL.Create, modify, import and export (IGES, STEP, BREP.

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SALOME can be used as a standalone application for generation of the CAD model, its preparation for the numerical calculations and post-processing of the calculation results. SALOME can also be used as a platform for integration of the external third-party numerical codes to produce a new application for the full life-cycle management of CAD models. It is distributed under the terms of the GNU LGPL license. It is based on an open and flexible architecture made of reusable components. SALOME is a cross-platform solution. SALOME is an open-source software that provides a generic Pre- and Post-Processing platform for numerical simulation. All in all, the user has complete freedom of choice. Completely open, it is chained, coupled and encapsulated in thousands of ways. Its application domain extends from seismic analysis, to porous medium, without forgetting acoustics, fatigue, stochastic dynamics… Its models, its algorithms and its solvers have improved in robustness and thoroughness (1000000 lines of code, 200 operators). Code_Aster provides, well beyond the standard function of any other thermo-mechanic calculation code, a whole array of analysis methods and multi-physic models.