![]() Download Netgen in the Ubuntu Software Center. Netgen has FEM-ngolve CFD-ngflow extensions. Netgen - Netgen is a multi-platform automatic mesh generation tool written in C++ capable of generating meshes in two and three dimensions. Download Gmsh in the Ubuntu Software Center. Gmsh - An automatic 3D finite element grid generator with a built-in CAD engine and FEM post-processor. The finite element method (FEM) is a numerical technique for finding approximate solutions to partial differential equations (PDE) and their systems, as well as (less often) integral equations. ![]() Download Elmer in the Ubuntu Software Center. It has been developed by CSC in collaboration with Finnish universities, research laboratories and industry. Download Scilab in the Ubuntu Software Center.Ī list with more alternatives can be found here.Įlmer - Elmer is an open source computational tool for multi-physics problems. It can be used for signal processing, statistical analysis, image enhancement, fluid dynamics simulations, numerical optimization, and modeling, simulation of explicit and implicit dynamical systems and (if the corresponding toolbox is installed) symbolic manipulations. ![]() Scilab - An open source, cross-platform numerical computational package and a high-level, numerically oriented programming language. It combines the power of many existing open-source packages into a common Python-based interface. Sage - A free open-source mathematics software system licensed under the GPL. Downlaod GNU Octave in the Ubuntu Software Center. Octave - GNU Octave is a FOSS high-level interpreted language, primarily intended for numerical computations of linear and nonlinear problems. It's used for getting solutions in a fast way, with a broad online support. Matlab - Non-free high-level language and interactive environment for numerical computation, visualization, and programming. Mathematica - Non-free high-level computational software program used in scientific, engineering, and mathematical fields and other areas of technical computing. Though there are many great alternatives to both of them, listed below. Matlab and Mathematica are the de facto industry standards in numerical and symbolic analysis respectively, both proprietary and non-free. Not all of them are in the official repositories, not all of them are free and open, but they can be used on a daily basis to improve the workflow of any Engineer. If anyone is looking for a parametric CAD optimization rabbit hole to go down, please geek on on SolveSpace! I'm sure others would appreciate it.Here's a list of available programs for Engineers or Engineering students that are available for Ubuntu (or linux in general). I love using it for quick engineering project mockups. It's really too bad, because putting something like that together is otherwise super fast and easy in SolveSpace. It quickly degenerated into half-hour redraws and I gave up finishing the assembly. I modeled the channel details of Coroplast w/a large step+repeat between two layers, then linked that sheet into an assembly twice in the two transverse orientations, those were then each step+repeated with a 1-sheet gap to accommodate one another to form the entire stack. The most recent thing was modeling a heat exchanger made of transversely stacked Coroplast sheets. Here's some context on the kind of SolveSpace limitations I've encountered. I hope SolveSpace can get more attention to improve the performance problems, because I often find myself making models too complicated for it to handle before it gets bogged down then I end up halting progress on the project adding another "profile solvespace and optimize whatever is preventing further progress here" entry to my endless TODO list. Otherwise, its UI is minimal and stays out of the way for the most part, the way it encourages components residing in separate files then be linked into assemblies is very intuitive for a programmer like me, and it's proven to be quite stable. It's pretty great except it becomes unusably slow once models get complicated with lots of instancing through step+repeat operations. My goto for doing CAD stuff on Linux is currently SolveSpace. I tried FreeCAD over a year ago and it was so crashy it was useless.
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