comsol.com (request trial CD/Demo version) 7. Online & Browser-Based Tools | Tool | Type | Capability | |------|------|-------------| | MagneForce (web demo) | 2D magnetostatic | Simple coil/bar magnet fields | | Falstad’s EM Applet | Educational | Interactive field lines from currents/magnets | | p5.js / Three.js examples | Code playground | Visualize vector fields programmatically |
Archive.org or university repositories. 6. COMSOL with AC/DC Module (File Demo Mode) Best for: Evaluating commercial-grade solver (limited). Platform: Windows, Linux, macOS. License: Free for viewing/learning (cannot solve your own models). magnetic field simulation software free
elmerfem.org 3. OpenFOAM (with electroMagnetics solvers) Best for: Advanced users needing transient or coupled plasma/MHD simulations. Platform: Linux, Windows (WSL), macOS. License: GPL. comsol
Historical interest or very simple 3D checks. COMSOL with AC/DC Module (File Demo Mode) Best
Induction heating, magnetic brakes, electromagnets with thermal effects.
-- Draw a coil (rectangle with current density) mi_drawrectangle(-10, -5, 10, 5) mi_addblocklabel(0, 0) mi_selectlabel(0, 0) mi_setblockprop("Copper", 0, 1, "Air", 0, 0, 1e6) mi_clearselected()
femm.foster-miller.net 2. Elmer FEM (Multi-physics) Best for: Coupled electromagnetic-thermal-structural problems. Platform: Windows, Linux, macOS. License: GPL (open source).