Flux Release

Flux 12.3: Connections for multi-domain simulation April 2017

Discover Regular Improvements of the Latest FluxTM Versions

New robust and fast 3D mesh generation tools

• New volume tetrahedral mesh generator • High quality meshing technology able to deal with complex geometries• New efficient way to deal with 3D CAD import - Import, clean, simplify and mesh in HyperMesh or SimLab

- Use directly the mesh in Flux, assign the physics and solve

Easy 3D induction machine model setting• New templates for fast 3D model creation of induction machines

• Many slot and end-ring shapes available

• Geometry, mesh and winding generated in a few clicks

Design of energy efficient electric drive systems• solidThinking ActivateTM and FluxTM coupled through co-simulation

• 2D,3D and Skew models, taking into account motion and eddy currents

• Study of load impact on motors or actuators

• Precise control strategies implementation and computation of associated performance and losses

Precise evaluation of heat transfer• Coupling with AcuSolve® for CFD simulation

• First version with one-way coupling

• Any type of electromagnetic device

• Precise evaluation of convection effects and temperature distribution

Miscellaneous improvements• New tools for part interference management in 3D modeler

• Faster workflow for application change

• Easy access to FluxTM Macros

Flux Release

Create and manipulate complex 3D geometries• Improved CAD import process with collision detection and correction tools • More efficient tools to simplify and repair faces• Extrusions along any line• Going from 2D to 3D and vice-versa in a few clicks

Analyze dielectric withstand of equipment• New application to study transient electric phenomena • Non-linear behaviour of materials taken into account• Post-processing tools to evaluate dielectric breakdown risk

Go further in transient• Faster solving of 3D transient models of electric machines considering movement

• Only store the results you need and save space on your disk

• Faster post-processing of large models with many time-steps

Go multiphysics and optimize with Altair tools• Coupling with OptiStruct for vibro-acoustics analysis• Link with Compose to automate your design studies• Optimization available from HyperStudy (Beta)• System analysis with Flux-Activate co-simulation (Beta)

Connect to system simulation• Fast table extraction towards system level tools

• Co-simulation with LMS Imagine.Lab Amesim for linear actuation

Miscellaneous improvements• Better management when continuing a parametric solving in distributed mode

• Faster post-processing on cutting-planes

• Improvement in error messaging

Flux 12.2: Accelerate Your Creativity! November 2016

Flux Release

Define your 3D model faster• A more powerful 3D geometric modeler

• New tools to simplify imported geometries for more efficient calculations

• New DXF import technology for a better communication with CAD tools

• Templates to define 3D electric machine models with the windings in a few clicks!

3D auto-adaptive mesh to get precise results• Auto-adaption of the mesh during the solving in 3D magnetostatics and electrostatics

• Mesh automatically adapted to get a trustable representation of the physics

• The best compromise between number of nodes and accuracy

• Possibility to combine with manual controls for expert users to fine tune the mesh

Accelerate your multi-parametric studies and simulate more configurations• Distribution of parametric calculations directly available in Flux

• Take advantage of all the computing power available on your PC or cluster

• Very simple to install and to use for a significant solving time gain

Evaluate the effect of static hysteresis on the performance of your device• Static vector hysteresis model taken into account during solving

• Remanent magnetization evaluation and associated force

• Impact of hysteresis on electric circuit values

More precise thermal simulations• Radiation between surfaces taken into account in 2D and 3D

• Available in transient or static. Also applies to magneto-thermal applications

• Update of the coupled analysis with STAR-CCM+ for a more precise representation of convection

Flux 12.1: Innovate in 3D! October 2015

Flux Release

Enter your 3D geometry more efficiently• A new powerful 3D geometric parametric modeler

• 3D modeling constructs remains fully parameterized

• Improved import process

• Get access to all the import formats in one package

Compute 3D Eddy-currents faster• Reduced solving time with symmetries and periodicities in 3D

• Fully automatic magnetic and electric loop cuts set-up• Improved solver algorithms and linear solvers upgrades

• Numerous speed-ups in the software operation

Evaluate Joule losses accurately• Fast evaluation of AC skin & proximity losses in coils in 2D and 3D

• Innovative auto-adaptive mesh of the skin depth in 2D Steady state AC

Go multiphysics: consider vibration and thermal aspects • Flux coupled to external CFD software (Star-CCM+® or Fluent)

• Extended magneto-thermal capabilities in Flux

• An improved connection to LMS Virtual.Lab and MSC Nastran for vibro-acoustics

Connect to system simulation• Fast table extraction towards system level tools

• Co-simulation with LMS Imagine.Lab AmesimTM for linear actuation

Go further in your electric machine design• Accounting for demagnetization of permanent magnets

• Automated generation of Efficiency maps

• Hysteresis current control of 3-phase electric machines

Access to more material modeling capabilities • More than 450 materials now available in the database

• New non-linear electric behaviour of materials

Discover a complete set of 3D new examples!

Flux 12: Innovate in 3D! January 2015

Flux Release

The last generation of 2D sketching• More fluidity to enter 2D geometries

• Automatic corrections of defaults

• Draw from an image of your 2D plan

No need to be a specialist to generate a good mesh!• Auto-adaption of the mesh during the solving in 2D (magnetostatics & electrostatics)

• Mesh quality ensured, based on the physics

• Best compromise between the number of nodes and accuracy

A new material database manager• More material data provided

• Brand new interface

• Create & manage your data in an efficient way

More computing power: smart & powerful• Advanced parametrics tools for a smart search of the design space …

• …and use the full power of distributed computation.

Advanced modeling capabilities• Taking into account anisotropies

• New models for iron losses

Vibro-acoustics analysis for noise reduction of electric machines• Embedded dedicated tools

• Direct connection to LMS Virtual.Lab and MSC Nastran

Easy to learn and use • New supervisor with a quick access to many examples

• More intuitive window management

• New python editor to help the writing and debug of scripts and macros

• User subroutines in Groovy (Java) to implement advanced models

Flux 11.2 Main Features November 2013

Flux Release

Altair Engineering, Inc., World Headquarters: 1820 E. Big Beaver Rd., Troy, MI 48083-2031 USAPhone: +1.248.614.2400 • Fax: +1.248.614.2411 • www.altair.com • info@altair.com

A unified and customizable environment for 2D, 3D and skew applications

• A unique environment for 2D, 3D and skew geometries • User preferences » Customize Flux to make everyday tasks easier • 2D coupled applications integrated into Flux® environment » Magneto-thermal, electric conduction-thermal, steady-state AC electric-thermal

Geometry and mesh improvements

• Speeding-up 2D pre-processing

» 2D sketcher: easy and fast way to enter geometries • Possibility to parameterize the obtained geometries

• Easy and powerful mesh generation

» Specific toolkit for an easier, faster and more efficient meshing process • New aid for a global and local management of the mesh • Macro for the mesh of the skin effect

• Use the number of turns in a non-meshed coil as a parameter!

Fast, realistic and reliable simulations

• Acceleration of 3D solving

» New linear direct parallel solvers (MUMPS and Pardiso)

» Better and faster convergence for demanding cases

» Memory requirement reduction

• Advanced simulation techniques

» Evolutive start-up in 2D and 3D • Ability to use a MS, MH or MT solution as the first step of a transient simulation

» Time-step adaption: be accurate in transient with less time-steps! • Prediction-correction and front management for the mechanical equations

New comfortable post-processing functions

• Solve in 2D, post-process in 3D !

» When using Flux® skew : access to all the functionnalities of post-processing in full 3D

• "Small" improvements with strong benefits

» Easy access for computation of global values including units

» Paths made of elementary paths or a set of lines

» Export of force densities

» Ability to use N and T and easy access to Bn, Bt, …

Flux 11.1 Main Features June 2012