This website is devoted to gathering extended documentation on the FEMM - Finite Element Magnetics Method. It is a finite-element modelling software created by Dr David Meeker and kindly released for free use to anyone, under the Aladdin Free Public License.

The Unofficial FEMM documentation website.

• FEMM 4.2 - User's Manual, Oct 25, 2015
  • FEMM 4.2 - User's Manual, Oct 25, 2015 (extracted to HTML)
• FEMM 4.2 - User's Manual, Jan 30, 2018

• Rainbow colours (“rainbow” colors)
• Symmetry with Dirichlet and Neumann boundary conditions (Dirichlet and Neumann conditions)

Don't know how to do something in FEMM? First, read through the manual. But perhaps you can find some useful tricks and tutorials below.

• Simple MAGNETIC simulation in FEMM - step-by-step tutorial

• The length of segments for periodic and anti-periodic boundary should match to within 1e-6 of the base units used in the geometry.

• 3-phase currents

• Loss angle for magnetic materials

• Power loss in windings

• Measure local current

• Magnetic coupling factor

• Real and Imaginary values of L and R

• Simple ELECTROSTATIC simulation in FEMM - step-by-step tutorial

• Simple HEAT FLOW simulation in FEMM - step-by-step tutorial

• Combined radiation and convection boundaries

• Simple CURRENT FLOW simulation in FEMM - step-by-step tutorial

Reference manual for Lua 4.0: http://www.lua.org/manual/4.0/

• LUA scripting tips
• LUA with simple polar co-ordinates
• LUA script for calculating magnetic coupling coefficient k