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What's New
See the release notes of the last and previous versions, with the necessary information on new features.
Release Notes: Altair® Flux® 2022
Flux 2022 is available with new features, corrections and improvements. Flux 2022 is a major release.
About external software – supported version
Supported versions of software whose coupling is possible with Flux

Welcome
User guide
The user guide gives information about principles and how to use Altair® Flux® 2025.
What's New
See the release notes of the last and previous versions, with the necessary information on new features.
- Release Notes: Altair® Flux® 2025
  Flux 2025 is available with new features, corrections and improvements. Flux 2025 is a major release.
- Release Notes: Altair® Flux® 2024.1
  Flux 2024.1 is available with new features, corrections and improvements. It is a completely independent version. It is installed by default in its own directory. It can not be installed on top of Flux 2024 (overwrite installation is blocked).
- Release Notes: Altair® Flux® 2024
  Flux 2024 is available with new features, corrections and improvements. Flux 2024 is a major release.
- Release Notes: Altair® Flux® 2023.1
  Flux 2023.1 is available with new features, corrections and improvements. It is a completely independent version. It is installed by default in its own directory. It can not be installed on top of Flux 2023 (overwrite installation is blocked).
- Release Notes: Altair® Flux® 2023
  Flux 2023 is available with new features, corrections and improvements. Flux 2023 is a major release.
- Release Notes: Altair® Flux® 2022.3
  Flux 2022.3 is available with new features, corrections and improvements. It is a completely independent version. It is installed by default in its own directory. It can not be installed on top of Flux 2022 and or Flux 2022.1 or Flux 2022.2 (overwrite installation is blocked).
- Release Notes: Altair® Flux® 2022.2
  Flux 2022.2 is available with new features, corrections and improvements. It is a completely independent version. It is installed by default in its own directory. It can not be installed on top of Flux 2022 and or Flux 2022.1 (overwrite installation is blocked).
- Release Notes: Altair® Flux® 2022.1.1
  Flux 2022.1.1 is available with corrections and improvements. It should be applied to an existing installation of Flux 2022.1.
- Release Notes: Altair® Flux® 2022.1
  Flux 2022.1 is available with new features, corrections and improvements. It is a completely independent version. It is installed by default in its own directory. It can not be installed on top of Flux 2022 (overwrite installation is blocked).
- Release Notes: Altair® Flux® 2022.0.1
  Flux 2022.0.1 is available with corrections and improvements. It should be applied as an upgrade to an existing installation of Flux 2022.
- Release Notes: Altair® Flux® 2022
  Flux 2022 is available with new features, corrections and improvements. Flux 2022 is a major release.
  - Essential Information about Flux 2022
  - New features of Flux 2022
  - Improvements
  - Fixed Defects
  - About external software – supported version
    Supported versions of software whose coupling is possible with Flux
  - About protection and installation
"How to" Documents
See a list of documents to understand how to use certain features.
Altair Flux Videos
Several youtube videos about how to use Altair Flux and several tip and tricks
Flux Supervisor
The Flux supervisor allows to run projects, examples, pythons scripts; to configure user preferences; to access tools...
Flux
Flux is a finite element software for low-frequency electromagnetic and thermal simulations. Both, 2D and 3D solutions are available...
Flux Skew
Flux Skew is a module dedicated to the analysis of rotating electric machines with skewing, allowing a straightforward geometric and physical description in 2D and the consideration of continuous or step skewing effects.
Flux PEEC
Flux PEEC is a 3D modeling module dedicated to electrical interconnections of power electronics devices. It also provides RLC extraction and generation of SPICE-like equivalent circuits.
Material Identification
The Material Identification tool is based on the Altair Compose environment and allows determining from measurements the parameters and coefficients required to create a material in Flux.
Altair Material Datacenter (AMDC)
AMDC is a comprehensive material database maintained by Altair and partner suppliers of engineering materials. Ready-to-use, Flux-compatible models may be obtained directly from this database for a growing number of materials.
Material Manager
Flux has a material manager with its own material base.The user can create his own material base and import them into the Flux models to be studied.
Flux e-Machine Toolbox
FeMt is a application in Flux dedicated for Electric Machine which permits to compute and postprocess results like efficiency maps.
Flux Examples
See the lists of examples 2D, 3D, SKEW and PEEC with all available documents and all project and python files.
Flux in SimLab Examples
See the lists of 2D and 3D SimLab examples using the Flux and Mipse solvers, with all available documents, *.slb databases and all script files.
Mementos
See a list of Memento documents to understand certain Flux features.
Macros
Flux proposes several macros enabling doing actions that are not yet implemented in Flux.
PyFlux Documentation (Beta version)
This documentation deals with the Jython script used in Flux and allows to understand the various structures of entities and functions, and use it in user scripts for example.
Flux installation guide
This document provides instructions for Flux installation on supported platforms.
Flux Starting Guide
Several short videos to start with Flux.

About external software – supported version

Supported versions of software whose coupling is possible with Flux

External softwares

The use of external softwares can be achieved with the versions listed in the table below.


External software	Supported version	Supported OS
Simulink	2020 a&b, 2021 a&b	Windows
Matlab	2020 a&b, 2021 a&b	Windows / Linux

Note: For advanced users, a coupling between Flux in Linux and Matlab in Windows is possible.

Altair softwares

The coupling between Flux 2022 and other Altair softwares can be achieved with these versions:


Functionalities	Altair software	supported version (and above)	Windows 10	Linux (RHEL 8 and SUSE 15.1)
Export to .. (Vibroacoustics and mechanical analysis)	OptiStruct	2022
Export to.. (Thermal analysis)	AcuSolve	2022
Co-simulation	Activate	2022
Co-simulation	Compose	2022		OML language: Python language:
Mesh import	HyperMesh	2022
Mesh import	SimLab	2022
Optimization	HyperStudy	2022

ACIS - InterOp : Format and Version Supported

Flux 2022 is compatible with ACIS 2019 1.0.1 version.

Table 1. Reader (CAD Import)
Format	Extension	Supported version by ACIS 2017 1.0
ACIS	.sat, .sab, .asat, .asab	R1 – 2019 1.0
CATIA V5	.CATPart, .CATProduct	V5R8 – V5–6R2019
DXF	.dxf	2.5 - 2019
IGES	.igs, .iges	Up to 5.3
Inventor	.ipt (V6 – V2017)	V11 – 2019
NX	.prt	11 – NX 12.0.0
Parasolid	.x_t, .xmt_txt, .x_b, .xmt_bin	9.0 – 31.1.188
Pro/E /Creo	.prt, .prt., .asm, .asm.	16 – Creo 5.0
SolidWorks	.sldprt, .sldasm	98 – 2019
STEP	.stp, .step	AP203, AP214, AP242

Table 2. Writer (CAD Export)
Format	Extension	Versions Supported by ACIS 2017 1.0
ACIS	.sat	R18 – 2019 1.0
CATIA V5	.CATPart, .CATProduct	V5 R15 – V5–6 R2019
IGES	.igs, .iges	5.3
STEP	.stp, .step	AP203, AP214, AP242 (Geometry only)