JMAG-Designer 25: Motor Design & Optimization Software
JMAG-Designer Ver25.0 is a major release of the electromagnetic field simulation software for electric motor, generator, and actuator design. Released in February 2026 , it focuses on automating design via enhanced geometry constraints, surrogate model optimization, and advanced motor evaluation features.
Key Features
Design Automation & Geometry Control
- Automatic Dimensional Constraints: Expanded to complex stator and rotor shapes, moving automatic constraint application from conceptual to detailed design phases .
- Constraint Highlighting: Visualization guidelines help identify and resolve under-constrained geometries .
- Dependent Parameter Constraints: Set optimization constraints on dimensions determined by design variables (e.g., minimum bridge width in IPM motors) to maintain structural integrity .
Surrogate Model-Driven Optimization
- Geometry Check Surrogate Models: New model accelerates optimization by assessing shape validity through a surrogate model instead of CAD-based verification .
- Discrete Value Optimization: Supports optimization of discrete values for dimensions and materials, expanding the scope of surrogate model-assisted calculations .
Advanced Motor & NVH Evaluation
- 2D Fourier Transform: Analyze time and spatial order components of excitation sources for noise and vibration (NVH) studies .
- JMAG-Express Enhancements: Customizable display of design variables and response values; expanded evaluation items including current phase, torque, and voltage relationships; and new thermal design scenarios for axial flux motors .
High-Fidelity Physics
- Halbach Array Definition: Streamlined modeling of Halbach array permanent magnets with divisions as design variables .
- Superconductor Modeling: Enhanced calculation functions with angular dependence of critical current density
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