This is the high-speed, high-precision FEA software tool at the core of JMAG. An intuitive interface and precise modeling technology with a wide variety of results displays are built in. Multifaceted evaluation of various design ideas is made possible by freely manipulating geometry, material properties, and drive conditions.

This report contains messages from the people in charge of developing the new functions in version 12:

- Simulation Engine
JMAG endeavors to provide fast and stable solvers and meshers. In Ver.12, we have released an expanded slide mesh that provides proper GPU support and mesh with a greater degree of freedom and precision.
- Physical Modeling
Detailed modeling is necessary to carry out accurate analyses, but there are limits to how much time can be spent on modeling. JMAG provides modeling functions that allow both high accuracy and high speed. Ver.12's release includes support for magnetostriction, as well as eddy current loss calculation functionality for laminated steel sheet. It also supports coil end modeling functions and harmonic current input for calculation of stray load loss.
- Results Analysis
Designs become more reliable as simulation can be done with more combinations of design parameters. We are always working toward better functionality for analyzing results in JMAG, and in Ver.11, we improved its efficiency map and parametric analysis functions. For Ver.12, we have added optimization functions, evaluation of differences between results, and functions for harmonic analysis.
- Easier to Use
JMAG is a general-purpose simulation tool primarily for electromagnetic field analysis. It includes a large number of superior functions to enable better simulation. However, most designers who use JMAG need it for certain types of analysis.
Because of this, JMAG includes JMAG-Express, aimed particularly at motor designers. Ver.12 adds synchronous reluctance motor (SRM) support to the previously-supported permanent magnet synchronous motor (PMSM) and induction motor (IM).
We have also released JMAG-VTB Ver.2.0 with a new interface to be used as a dedicated system by users other than motor designers as well.

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