Ansys Maxwell: Low Frequency EM Field Simulation
Ansys Maxwell stands as a versatile EM field solver for electric machines, transformers, wireless charging, and more. Solve static, frequency-domain, and time-varying magnetic and electric fields with ease.
Low-Frequency Electromagnetic Simulation for Electric Machines
Maximize your understanding of electromagnetic phenomena with Ansys Maxwell’s cutting-edge low-frequency electromagnetic simulation capabilities. Explore nonlinear, transient motion effects on drive circuit and control system designs, utilizing Maxwell’s advanced electromagnetic field solvers. Seamlessly link integrated circuit and systems simulation technology to gain insights into electromechanical system performance early in the design phase.
- Advanced Magnetic Modeling
- Multiphysics Couplings
- ISO 26262 Compliant
- Bi-Directional CAD Integration
- Electric Drive Modeling
Ansys Electronics
Slice-Only Technology
Ansys Maxwell’s slice-only technology revolutionizes cyclic repeatability simulations for electric motor applications. By efficiently solving motor slices with non-planar boundary conditions and symmetric mesh, Maxwell delivers accurate results replicated across the full model. Explore how “slice-only” technology helps simulate complex electric motors from this blog: How to Model and Simulate Complex Electric Motors.
Ansys Maxwell Highlights
Ansys Maxwell offers a trusted simulation of low-frequency electromagnetic fields in industrial components. It includes 3-D/2-D magnetic transient, AC electromagnetic, magnetostatic, electrostatic, DC conduction, and electric transient solvers to accurately solve for field parameters including force, torque, capacitance, inductance, resistance, and impedance.
What’s New
July 2025 | Accelerate electromagnetic design with enhanced circuit port visualization and intelligent meshing. Leverage advanced busbar modeling for inverter to overcome EMI/EMC and thermal challenges. Boost motor design speed with space vector pulse width modulation (SV PWM) excitation.
3D Layout Components in AC Magnetic A-Phi Solver
Experience advanced 3D layout support for PCBs in the AC Magnetic A-Phi solver (frequency domain analysis). Enhanced workflows include terminal visualization, RLC component boundary, and terminal representation, as well as automatic initial mesh method selection and mesh refinement improvements. Take advantage of the automatic adaptive mesh obtained in the AC Magnetic A-Phi solution by linking it to the Transient A-Phi solver to ensure accuracy and efficiency at every step.
Space Vector Pulse Width Modulation (PWM) Excitation
Building on the introduction of the PWM winding type in the previous release, the latest update integrates Y and Delta connections directly with 3-phase windings, thus streamlining workflows and significantly boosting solution speed. Additionally, enhanced parametric support now enables in-situ calculation and real-time preview of voltage and time-step datasets, accelerating setup and improving simulation efficiency.
Busbar Modeling
Researchers have significantly enhanced busbar modeling for inverter applications, enabling users to accurately analyze multiple sources, including input current and voltage waveforms with complex spectral content in the frequency domain. This advancement empowers users to effectively mitigate EMI/EMC challenges and assess thermal performance, ensuring superior system reliability and performance.
Applications
Electric Motors
From concept design to detailed electromagnetics, thermal, and mechanical analysis, Ansys electric motor design software facilitates comprehensive analysis of electric motors.
Power Electronics
Solve complex design challenges efficiently with simulation tools, improving performance and fostering innovation in power electronics systems.
Wireless Charging Simulation
Ansys wireless power transfer solutions integrate magnetic, thermal, and electrical system performance, offering comprehensive simulation for wireless chargers.
Capabilities
Optimize Machine Efficiency and Get to Market Faster with Ansys Maxwell Simulation
Ansys Maxwell simulation provides customizable modeling capabilities, automatic adaptive meshing, and advanced high-performance computing technology. Designers can seamlessly solve complete high-performance electromechanical power systems, enhancing efficiency and reducing time-to-market.
Maxwell facilitates the automatic generation of nonlinear equivalent circuits and frequency-dependent state-space models from field parameters. These models can be utilized in system and circuit simulation, ensuring the highest fidelity on SIL (software-in-the-loop) and HIL (hardware-in-the-loop) systems.
With Ansys simulation technology, you can confidently predict the real-world performance of your products, driving business success through innovation.
Key Features
Ansys Maxwell is an industry-leading electromagnetic field simulation software for the design and analysis of electric motors, actuators, sensors, transformers and other electromagnetic and electromechanical devices.
- Low-frequency EM simulation
- Automatic, adaptive meshing
- Multidomain system modeling
- Expert design interfaces
- Optimetrics
- Granta Materials Data
- ISO 26262 compliant
Automatic, Adaptive Meshing
Ansys Maxwell offers a significant advantage through its automatic adaptive meshing techniques. With Maxwell, you only need to specify the geometry, material properties, and desired output to achieve precise results. Utilizing a robust volumetric meshing technique and multithreading capability, Maxwell’s meshing process reduces memory usage and speeds up the solution time. This technology simplifies the process of building and refining finite element meshes, making advanced numerical analysis accessible for all levels of your organization.
Multiphysics Coupling Workflow
Seamlessly integrate Ansys Maxwell’s electromagnetic field solvers into Ansys Workbench to analyze complex coupled-physics behaviors, including deformed mesh feedback structures, stress and strain feedback on magnetic properties, EM fluids, and acoustics.
Advanced Magnetic Modeling
Conduct advanced simulation calculations such as core loss calculations, vector hysteresis, four-quadrant simulation for permanent magnets, magnetostriction and magnetoelastic analysis, Litz Wire Loss, and manufacturing effects on loss computation.
Specialized Design Interfaces
Benefit from Ansys Maxwell’s specialized interfaces tailored for electric machines and power converters, providing intuitive design criteria and simulation tools for each application.
RMxprt
Automate classical motor performance calculations and generate detailed finite element analysis setups with RMxprt, which automatically generates geometry, motion, mechanical setup, material properties, core loss, winding, and source setup.
Simplorer
A multi-domain power electronics simulator for electrical, magnetic, mechanical, fluid, and thermal systems that seamlessly integrates three fundamental component libraries: circuits, block diagrams, and state machines. Simplorer provides an integrated analysis thanks to its connection with EM (Maxwell, PExprt, RMxprt, Q3D, HFSS) and thermal tools (Ansys CFD, Ansys Icepak).
Simplorer offers comprehensive analysis capabilities, including high-fidelity power semiconductor model characterization for thermal and EMI/EMC simulations. In addition, Simplorer’s model libraries include VHDL-AMS capability and existing controls systems and customer developed models.
PExprt
Power Electronics Expert (PExprt) is a magnetic design and optimization tool for ferrite transformers and inductors including, multi-winding transformers, coupled inductors, and flyback components. PExprt’s template-based interface for transformers and inductors can automatically create a design from voltage waveform or converter inputs. The auto-design process considers all combinations of core shapes, sizes, materials, gaps, wire types and gauges, and winding strategies to optimize the magnetic design.
It contains manufacturer libraries for common components. It also combines FEA-based solutions to include skin and proximity effects, and gap effects due to magnetic fringing. Additionally, it calculates winding losses, core Losses, R, L, C parameters and temperature rise, and couples to Simplorer using a frequency dependent netlist for the simulated component.
Maxwell to Motion
Extend electromagnetic interaction to rigid body dynamics by transferring transient electromagnetic forces from Maxwell to Ansys Motion, enhancing overall noise-vibration solutions.
New Time Domain Solver
A new Ansys Maxwell transient solver provides multiterminal conductor support on a single conduction path.
