Ansys Motor-CAD

Low Frequency EM Field Simulation
Ansys Motor-CAD streamlines electric machine design with dedicated tools for fast multiphysics simulation. Explore its capabilities across the full torque-speed operating range.


Fast Multiphysics Simulation for Optimal Motor Design

Ansys Motor-CAD enables design engineers to assess motor topologies and concepts comprehensively across the entire operating spectrum, ensuring designs are finely tuned for peak performance, efficiency, and size. By integrating four key modules—EMag, Therm, Lab, and Mech—Motor-CAD facilitates swift and iterative multiphysics calculations, expediting the journey from initial concept to finalized design.

  • Intuitive, Template-Based Set Up
  • Built-in EM, Thermal and Mechanical Solvers
  • Full Operating Range Design
  • Thermal Sizing of Machines

Key Features and Specifications

Ansys Motor-CAD users can now explore more motor technologies and fully assess the impact of advanced loss effects in the initial stages of electromechanical design.

Template-based magnetic topologies
Template-based cooling topologies
3D Coupled Thermal-Fluid Network
2D FEA coupled with analytical solution
Temperature dependent Duty-Cycle
Linear structural 2D FEA
DXF and scriptable geometries
Multi-slice skew
Steady-state and transient thermal
CFD, FEA and empirical correlations
Efficiency and loss maps calculations

What's New

January 2024 Release

Ansys Motor-CAD introduces groundbreaking features aimed at further enhancing motor design innovation:

Adaptive Templates

Engineers can now customize the built-in template geometries, fostering innovation and enabling the creation of parametric shapes tailored to specific design requirements.

High Fidelity Analysis

Improved accuracy in efficiency mapping and structural model tuning enhances design analysis, as well as the addition of system influences such as inverter loss elevates the motor performance evaluation.

Speed Improvement

Leveraging advanced solver methods and multi-threading capabilities, Ansys Motor-CAD delivers significant speed improvements, with thermal transient calculation now twice as fast as previous releases.


Integrated Multiphysics Analysis Software for Electric Motor Design

Motor designers now require tools that enable rapid decision-making without compromising on accuracy or efficiency. Ansys Motor-CAD’s integrated multi-physics analysis software simplifies the design process, empowering designers to explore diverse motor topologies and assess complex loss effects efficiently.

Motor-CAD software’s intuitive, template-based setup and embedded multi-physics expertise simplifies the design process and reduces reliance on multiple teams for specific electromagnetic, thermal, or mechanical experiences — so motor designers can keep more control over their designs.

Key Features

Ansys Motor-CAD delivers high-fidelity, 2D/3D analysis capability enabling users to analyze end-effects, demagnetization, core loss, hysteresis and other advanced electromagnetic phenomena, calculate the thermal envelope for operation and design complete motor cooling systems.

  • Template-Based Electromagnetic and Thermal Design
  • Electromagnetic-Thermal-Control Coupling Simulation
  • Design for Field Weakening
  • Temperature Dependent Continuous-Torque and Peak-Torque Simulation
  • Manufacturing Effects and Housing Interfaces.
  • Ratio-Based Optimization
  • Magnetic Force Analysis
  • Rotor Stress Analysis

Integrates with Ansys Maxwell and other physics solvers

Ansys Motor-CAD connects to Ansys Maxwell for advanced 2D and 3D electromagnetics analysis. For electric machine noise and vibration and (psycho-acoustic) sound prediction, Ansys Motor-CAD integrates with Mechanical and VRXPERIENCE. It also connects with Ansys CFD solvers and leverages air, water and oil based cooling techniques for cooling system design and analysis, as well as provides feedback into the Motor-CAD’s thermal model.

Template-Based Electromagnetic and Thermal Design

With Ansys Motor-CAD's comprehensive geometry templates, users can explore the entire electric machine design space. These templates cover a wide range of technologies, topologies, and cooling systems, with new ratio-based parameterization options for enhanced design optimization.

Electromagnetic-Thermal-Control Coupling

Ansys Motor-CAD facilitates coupled multi-physics analysis from the outset, integrating control algorithms for virtual testing considering temperature effects over transient drive cycles or at steady state.

Design for Field Weakening

Designing modern electric machines requires performance analysis across the full torque/speed operating range. Ansys Motor-CAD enables designers to analyze field weakening behavior quickly and easily.

Temperature Dependent Continuous-Torque and Peak-Torque Simulation

Rapidly evaluate designs against the complete multi-physics performance requirements such as peak and continuous torque/speed characteristics.

Manufacturing Effects and Housing Interface

Ansys MotorCAD has built-in knowledge of manufacturing effects, guiding engineers in configuring manufacturing parameters appropriately. It enables straightforward sensitivity analysis to understand the impact of manufacturing variation on performance.

Ratio-Based Optimization

Ansys Motor-CAD is the ideal tool to use for optimization of electric machine designs. Powerful ratio-based optimization enables the design space to be explored easily while the coupled multi-physics analysis enables evaluation of each candidate design against the complete performance specification.

Magnetic Force Analysis

Ansys Motor-CAD automatically extracts and visualizes magnetic forces as a function of time and space, over the full operating range. Enabling NVH analysis of a design.

Rotor Stress Analysis

Rapid, automatic FEA based rotor stress analysis enables engineers to easily optimize rotor designs and trade-off between electromagnetic performance and mechanical constraints.

Ready to start working with Ansys Motor-CAD?

Case Study

Ansys + Grundfos

“…we are pleased with Ansys Motor-CAD and how easy it is to transfer our existing designs into the software. In Motor-CAD, we can also add new simulations, such as simulations that require FEA, but still maintain the knowledge we have built through our many years of experience with motor design and production within the new setup.”

Keld Folsach Rasmussen
Chief Engineer / Grundfos Holding A/S


Ansys 2023 R1: Ansys Motor-CAD What’s New

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