EMSolution Documentation

EMSolution: Advanced electromagnetic field analysis software.

EMSolution Home

Overview

EMSolution is electromagnetic field analysis software developed from three-dimensional electromagnetic field analysis expertise accumulated since the 1990s. It supports magnetostatic analysis and eddy-current analysis in the frequency and time domains, and has been applied to electrical equipment such as large generators, transformers, MRI systems, and industrial motors.

EMSolution input and output files are primarily text-based.

• Input Control Files (native text and JSON formats)

• Input mesh files (.atl, .unv, .bdf (Nastran), .neu, and others)

• Result files (native text and JSON formats)

• Field-distribution files (.atl, .unv, .neu, .json, and others)

The Python package pyemsol lets you run and control EMSolution from Python. See the pyemsol API for usage.

For Input Control File settings, see the Handbook.

User Guide

• User Guide
  • I. Analysis Types and Modules
  • II Using EMSolution
  • III. Input Settings
  • 2D_to_3D : two-dimensional to three-dimensional conversion
  • temperature.dat : temperature data
  • initial_magnetization.dat : initial magnetization
  • Additional File List
  • V Input Mesh Files
  • VI Output Files
  • VII Error Messages
  • VIII. Release Notes

Input Control File Editor

• Input Control File Editor

Sample JSON Data

• Sample input.json Code
  • Sample JSON Format for Features Added in 2026.09
  • Sample JSON Format for 16_1_3D_Element_Properties(16.1) Data
  • Sample JSON Format for 17_Field_Source(17) Data
  • Sample JSON Format for 18_Time_Function(18) Data
  • Sample JSON Format for 19_Motoin(19) Data
  • Sample JSON Format for 20_BH_Curve(20) Data

pyemsol API

• pyemsol API
  • pyemsol API Reference
  • External Mesh Morphing Integration
  • Examples
  • Showcase

---

Contact

LICENSE AGREEMENT

Indexes and Search

• Search

Change log