Looking for a free Multiphysics-type simulator

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In summary, there are a few alternatives to expensive simulation software like COMSOL and ANSYS. Some options include FEATool, which works with Matlab and Octave, and Julia, which has a library called ANN GridAp for finite element simulations. These alternatives are free and may offer similar capabilities to Houdini, but with different interfaces and workflows.
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comsol/ansys seem to do the job, but they are expensive

I was looking for something like houdini (cg), but with actual nodes or click and define gui that provide accurate simulation (and code, but it doesn't force you to use it, unless you don't need to do something really specific)

I've tried stuff like openfoam, but the workflow it's slow, get the model, make the config, run openfoam, put the result into paraview, and for edits, back from the start, I can't like interactively see/do changes
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What is a Multiphysics-type simulator?

A Multiphysics-type simulator is a computer program that uses mathematical models and algorithms to simulate and analyze physical phenomena involving multiple physical and engineering disciplines, such as mechanics, fluid dynamics, heat transfer, and electromagnetism.

Is there a free Multiphysics-type simulator available?

Yes, there are several free Multiphysics-type simulators available. Some popular options include OpenFOAM, Code_Aster, and Elmer. These open source software programs can be downloaded and used for free for academic and research purposes.

What features should I look for in a free Multiphysics-type simulator?

When looking for a free Multiphysics-type simulator, it is important to consider the specific features and capabilities you need for your research or project. Some common features to look for include a user-friendly interface, a variety of physical models and solvers, and the ability to handle complex geometries and boundary conditions.

Are there any limitations to using a free Multiphysics-type simulator?

As with any free software, there may be some limitations to using a free Multiphysics-type simulator compared to a paid commercial program. These limitations may include less frequent updates and support, fewer features and capabilities, and a smaller user community for troubleshooting and sharing knowledge.

Can a free Multiphysics-type simulator be used for commercial purposes?

It depends on the specific software and its licensing terms. Some free simulators may have restrictions on commercial use, while others may allow it with proper attribution. It is important to carefully review the licensing terms before using a free Multiphysics-type simulator for commercial purposes.