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Comparison of EM simulation software

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The following table list notable software packages that are nominal EM (electromagnetic) simulators;

Name License Windows Linux 3D GUI Convergence detector Mesher Algorithm Area of application
NEC open source Yes Yes Yes No Yes manual MoM Widely used as the basis for many GUI-based programs on many platforms. Version 4 is commercially licensed.
Momentum commercial Yes Yes Partial Yes Yes equidistant MoM For passive planar elements development, integrated into Agilent EEsof Advanced Design System.
HFSS commercial Yes Yes Yes Yes Yes Automatic adaptive FEM FDTD PO[disambiguation needed] Hybrid FEBI MoM[disambiguation needed] Eigen Mode Free Antenna and Waveguide Design Kit For antenna/filter/IC packages, Radome,RFIC,LTCC,MMIC,Antenna Placement,Wave guides, EMI,FSS,Metamaterial,Composite Material, RCS-Mono and Bi development.
VORPAL commercial Yes Yes Yes Yes Yes equidistant or manual PiC/FDTD For plasma/gas devices, full relativistic effects.
XFdtd commercial Yes Yes Yes Yes Yes Automatic Project Optimized FDTD RF and microwave antennas, components, and systems, including mobile devices. MRI coils, radar, waveguides, SAR validation.

External sources

Clemson site about free EM simulators

References