Altair Flux finite element software

…….  Altair Flux finite element software provides you with low-frequency electromagnetic field and thermal simulation analysis solutions with 35 years of continuous innovation and global design optimization application experience. Flux has an open and friendly interactive interface that can be easily coupled with other Altair software and applied to multi-physics analysis of different systems, including 2D, 3D and chute simulations.
 

….. Altair Flux features state-of-the-art numerical analysis technology that delivers accurate results quickly. Flux’s rich extended functions, such as multi-parameter analysis functions, circuit and mechanical motion coupling, can perform a large number of analysis, design and optimization.

Wide range of applications

• Rotating electric machine (motor)
• Linear actuators, solenoids
• Transformer inductance
• induction heating
• sensor
• Cables, electrical connections
• Electromagnetic compatibility

 【Advantages】

……. Flux uses advanced mathematical models and self-adjusting modeling technology to provide the most accurate and reliable results in the shortest calculation time. Flux has been continuously developing and improving solvers to increase calculation speed and can be used for the analysis and evaluation of thousands of design conditions.

flexibility

• Comprehensive customization to meet user needs.
• Embedded scripting tools and macro editor for analysis process recording and automation. Different workflows can be fully saved and repeated.
• Flux can be coupled with any software to improve the efficiency of non-professionals.

Parametric simulation

……. Flux can use parameters to define geometric dimensions or physical properties, and it is easy to connect multiple parameters through equations. The influence of any parameter in the analysis task can be viewed intuitively through multi-dimensional curves, cloud charts/vector charts, and animations.

Scalability

….. Flux can be easily coupled with other 3D analysis software for multi-physics analogy of complex phenomena. Flux can be connected with system analysis tools for performance analysis of components in the system or control strategy design. Coupled applications support different levels of interaction methods, from reduced-order model extraction to full co-simulation applications.

【 Function 】

Broad range of analysis types

• Magnetic fields, power plants, thermal fields
• Magnetic/Dielectric/Thermal Coupling
• Mechanical motion coupling
• Multiphysics coupling
• Static, time-harmonic and transient analysis
• Parametric analysis
• External circuit connection

Powerful geometric modeling capabilities

• A simple and easy-to-use 20 modeler sketcher, including parametric functions
• Embedded fully parametric 3D modeler Modeler
• Advanced CAD import & export capabilities
• Geometric model repair and simplification functions
• 2D & 3D rotating motor special modeling template

Powerful, flexible and easy-to-use mesher

……. Altair Flux mesher supports different mesh types and mesh technologies, and can be used in mixed 2D and 3D analyses:

• Intelligent automatic mesh section functionality based on geometric and physical features
• Excellent grid size and distribution control capabilities
• Map meshing and connected meshing
• 2D & 3D mesh self-adjusting encryption solution

……. Altair Flux also supports the direct import of finite element meshes of complex 3D geometric models from Altair HyperMesh™ and Altair SimLab™ for electromagnetic field calculations.

Advanced modeling technology for fast, accurate results

• Infinite box for open domain problems
• Non-meshed coil
• Using surface element model to simulate thin-walled layers
• Quick assessment of the impact of chute on geometric models
• Nonlinear Anisotropic Material Model
• hysteresis model
• Winding skin effect and proximity effect loss calculation model
• Partial element equivalent circuit method (PEEC) for power conductor calculations

Reliable solver

• Fully parametric solver for geometric and physical parameter sweep analysis
• Multiple iterative operations and direct linear solution are available, supporting multi-core parallel computing.
• nonlinear solver
• Distributed parametric parallel computing, supporting multi-core or multi-machine operation
• Grid self-adjustment and time step parameter self-adjustment scan

Post-processing
…… Flux can obtain rich physical quantities:

• Electric field strength, magnetic field strength, temperature
• Magnetic flux, inductance, energy
• Core loss and Joule loss
• Displacement, speed, electromagnetic force, torque, etc.
• skin effect view
• User-defined physical quantities
• Maps, clouds, vectors, animations
• 2D and 3D curve and spectral analysis
• Sectional view
• Look-up Table for system analysis
• Data export (Excel, txt, etc.)

multiphysics

……. Flux provides a direct interface for connecting to designated tools to set up collaborative simulation or load transfer. It is mainly used for electromagnetic-thermal and electromagnetic-vibration-noise analysis.
Electromagnetic-Thermal Analysis
… Flux can be coupled with fluid analysis tools (such as Altair AcuSolve™, ANSYS Fluent, or CD-Adap-co STAR-CCM+) for more powerful and more accurate fluid heat dissipation analysis. Thanks to its ability to support all potential thermal couplings, Flux is able to provide efficient and accurate electromagnetic-thermal analysis designs.
Vibration information is suitable for vibration suppression and noise reduction
… Electromagnetic force is one of the noise sources of electromagnetic structures. Altair Flux can accurately calculate these electromagnetic forces and use them in vibration analysis tools, such as Altair OptiStructTM, LMS Virtual .Lab, MSC Nastran or ANSYS Mechanical.
Advanced system integration
… Considering the electromechanical environment of electromagnetic equipment application is the key to optimizing its real performance. By extracting equivalent circuits, lookup table output or collaborative simulation methods, Flux can be combined with the system simulator Altair Activate ‘”Coupling, establishing system models with different levels of accuracy for different design requirements. Flux also supports coupling with other system analysis tools, including MatLab Simulink and LMS Imagine.Lab Amesim.
Automation of the analysis process

• Custom macros and interfaces
• Simplify the operation process (from geometry generation to result post-processing) through command language (object-oriented language based on Java and Python)
• Call Flux in Altair Compose™ to perform a wider range of calculations
• Any software can drive Flux through the API

Optimization
… Using Altair’s powerful and reliable optimization tool Altair HyperStudyTM can enhance the Flux function and automatically drive the Flux finite model to conduct parameter optimization research, greatly improving design gains.

High-Performance Computing (HPC)
… Powerful computer capabilities (multiprocessors or clusters) make it possible to compute many design solutions simultaneously. Flux’s decentralized parameter calculation capabilities can be used directly in all analytical applications. Flux is connected to Altair PBS Works™, Altair’s leading computing work scheduling and management tool, allowing users to take advantage of the powerful capabilities of remote HPC servers.