Historical interest or very simple 3D checks.
openfoam.com 4. QuickField Student Edition Best for: Students learning electromagnetic simulation. Platform: Windows. License: Free for non-commercial educational use. magnetic field simulation software free
Classroom exercises, simple electromagnets, motors. Historical interest or very simple 3D checks
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 | Platform: Windows
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.
-- 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()