Buy Altair Flux Software

Altair Flux & FluxMotor

Version	Price & Buy
2025.0	$75
2024.1	$65
2023.1	$60
2022.3.0	$50
2021.2.0 (Flux only)	$45

What is Altair Flux 2025?

The software serves engineers who need fast, accurate performance prediction across multiple physics domains. Whether you're designing a permanent magnet synchronous motor (PMSM), optimizing transformer thermal management, or analyzing sensor coupling effects, Flux 2025 eliminates the friction of moving data between disconnected simulations.

Used by leading manufacturers in automotive, industrial automation, aerospace, and consumer electronics, Flux 2025 has matured into the go-to platform for teams that prioritize design speed without sacrificing accuracy. The 2025 release introduces enhanced SimLab integration, faster solvers, and improved multiphysics couplings that make complex design exploration practical for mid-cycle iterations.

How Does Multiphysics Simulation Reduce Design Time?

Traditional motor and power electronics design workflows split analysis across three or four separate tools. An engineer creates geometry in CAD, meshes it differently for EM analysis, exports to thermal software, then runs vibration analysis elsewhere. Each transition costs time—exporting, reimporting, remeshing, recreating boundary conditions. The real cost, though, is that these separated physics don't communicate during optimization. You might create an electromagnetically efficient design only to discover thermal hotspots require geometry changes that sacrifice efficiency.

Flux 2025 eliminates this fragmentation. Parametric studies let you explore 10+ design configurations in hours instead of weeks. You define motor dimensions, winding parameters, and material properties once. Flux handles mesh regeneration automatically, couples electromagnetic loss to thermal analysis, and outputs performance maps showing efficiency across operating conditions. What previously took multiple manual iterations now runs hands-off.

SimLab 2025 integration deepens this advantage. Two-way CFD coupling lets you evaluate motor thermal performance with realistic fluid flow around the device. PWM control integration means you can assess transient heating from actual drive cycles, not static loss assumptions. Parametric reduced-order models export directly to system simulation, compressing weeks of design cycle time into days.

What Are the Key Benefits for Motor and Sensor Design?

The motor design workflow benefits from FluxMotor 2025 templates. Instead of building finite element models from scratch, select your motor topology—PMSM, induction machine, DC motor, or switched reluctance—and the template generates geometry, mesh, winding configuration, and physics setup automatically. Run parametric studies on stator/rotor dimensions, slot geometries, magnet grades, or cooling approaches. Export efficiency maps showing torque, power, loss, and cogging torque across the full operating range in a single batch study.

• Accurate electromagnetic performance prediction without physical prototypes
• Thermal analysis identifying hotspots in motor windings and cores
• Vibration and acoustic prediction for NVH validation before build
• Cogging torque and torque ripple evaluation for smooth operation
• Sensor coupling analysis for multi-element detector designs
• Design optimization running dozens of configurations automatically

Sensor and actuator design benefits equally. Electromagnetic field analysis couples with structural mechanics, showing how magnetic forces affect device deflection. This matters for MEMS devices, position sensors, and solenoid actuators where mechanical response directly affects performance. Flux 2025 lets you explore trade-offs between sensitivity, linearity, and mechanical robustness in days rather than months.

How Does Altair Flux 2025 Speed Up Power Electronics Development?

Power electronics engineers face a specific challenge: predicting thermal behavior of transformers, inductors, and power modules with ferrite or iron powder cores. Physical prototyping to find thermal limits is costly and time-consuming. Flux 2025 introduces accurate ferrite and powder core loss prediction, so you can identify thermal hotspots during design exploration.

Transformer design accelerates significantly. Define your core geometry, winding configuration, and operating point. Flux calculates copper losses in windings, core losses in the ferrite or laminated steel stack, and temperature distribution. Parametric studies explore different core geometries or cooling jackets. Export thermal models showing temperature rise across different ambient conditions—critical for reliability prediction without building multiple prototypes.

Many power electronics teams discover thermal issues only after prototype testing. By then, respinning costs spike significantly. Flux 2025's integrated thermal-electromagnetic analysis catches these issues months earlier, during the design phase where geometry changes are inexpensive.

What Can You Simulate and Optimize?

Flux 2025 simulation capabilities span a broad range of electromechanical devices and design scenarios. The software handles 2D and 3D geometries, static and dynamic conditions, and frequency ranges from DC through high-frequency applications.

Design optimization in Flux 2025 goes beyond single-point analysis. Parametric studies vary geometry dimensions, material properties, operating conditions, or winding configurations, running dozens of simulations in batch mode. You get sensitivity rankings showing which parameters impact performance most, helping prioritize design changes. Multi-objective optimization finds designs balancing efficiency, thermal performance, cost, and manufacturability simultaneously.

Vibro-acoustic analysis predicts noise and vibration behavior without expensive experimental modal analysis. Virtual microphones placed around your device capture radiated sound. Waterfall diagrams show frequency content across operating speeds, identifying resonances that might cause complaints in the field. This prevents expensive design iterations driven by field noise issues.

How Do You Get Started With Flux 2025?

Getting productive with Flux 2025 is faster than with legacy tools. Pre-built templates accelerate time-to-first-result. Select your device type—PMSM motor, transformer, inductor, sensor—and the template populates geometry parameters, mesh controls, material definitions, and solver settings appropriate for that device class.

The integrated workflow flows naturally from geometry definition to optimization export. Define or import your geometry, assign materials from the library, set winding or coil parameters, specify boundary conditions and excitation, run parametric studies to explore design space, and export performance curves or thermal maps. No manual model rebuilding between study variations. No copying data between tools. The entire design-to-optimization cycle stays within Flux 2025.

• Pre-built motor, transformer, and sensor templates cut setup time by 60-80%
• Mesh generation automates based on device type and analysis requirements
• Material library includes standard ferrites, laminations, and magnetic steels
• Batch parametric studies explore design variations without manual intervention
• Export results as efficiency maps, thermal profiles, or VHDL models for circuit simulation
• Integration with SimLab 2025 for advanced meshing and CFD coupling

The learning curve is notably gentle for teams with electromagnetic simulation experience. Templates handle the repetitive setup work. Visualization tools—field plots, 3D vector displays, thermal contours—make results immediately interpretable. Documentation and community resources support both experienced simulationists and newer users ramping on the platform.

Frequently Asked Questions