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Display Issue with FluxMotor and Flux Supervisor (all version 2024-> 2026)
Hello, Currently, when using FluxMotor, I am encountering a display issue with FluxMotor and Flux Supervisor (as shown in the attached image), which causes inconvenience during simulation. I am currently using a workstation with three monitors. I have tried using each monitor individually, but the issue still occurs. I…
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Altair Flux 2024 Topology optimization - definition of mechanical problem
Good morning, I'm performing a Topology optimization in Altair Flux 2024. I'm working with a SPMSM electric motor and i have a doubt about how to model the mechanical problem for the optimization. I defined the rotor as mechanical region, with E, nu, and rho. Then I set the boundary condition: Fixed for all the DOFs at the…
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Flux 2024 Topology optimization - definition of element densities
Goodmorning, I'm working with Altair Flux 2024 with topology optimizations. I performed an optimization of the rotor of a SPMSM and I would like to perform another topology optimization on the previous design result. In particoular I would like to use the same densities of the design produced by the first optimization as…
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disappearance of Flux3D
I have been a Cedrat Flux user for 25 years, and I want to express my complete disagreement with the removal of Flux3D and its integration into SimLab. This decision is unacceptable and forces me to stop using Flux3D. I strongly disagree with your policy, and I believe this move will be as damaging as the transition from…
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What’s New in Altair® FluxMotor® 2026
Altair FluxMotor 2026 FluxMotor 2026 introduces a modern, intuitive interface that’s more than just a fresh look—it’s a smarter way to work. With harmonized inputs and streamlined interactions across all modules, designing motors has never been easier. A standout addition is the 3D motor view, giving you a clear,…
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Altair® Flux® 2026 Release Highlights
Providing the most effective workflow for your electromagnetic simulation challenges is our main goal. With Flux’s core solving capabilities now seamlessly integrated into SimLab, setting up your models has never been faster—or more intuitive. The latest advancements in Flux 2025.1 and 2026 bring great productivity tools…
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FluxMotor to Flux Magnet Loss by Joule effect
Hello Expert I have a question about magnet loss by Joule effect. Use FluxMotor 2023.1 to export motor model to Flux 2D (2023.1). When I choose Full model to export, I get magnet loss by Joule effect around 42W. However, choose Not Full model to export, also get 42w in magnet loss by Joule effect. This is 1/6 model, magnet…
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How to create Heat Flux on Optistruct
Hi, I am new to using HYPERMESH. I am trying to create heat generation and a heat sink on a meshed midsurface. For that, I have created elements. However, when I select Flux or Convection, it asks for an ELSET. I have tried several methods to create an ELSET but haven’t been able to find one. If I select some elements and…
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Evaluation of Hysteresis Losses in electric motors Under DC-biased Inductions
I would like to evaluate the iron losses in a radial flux IPM electric motor which is fed with a DC current with overimposed ripple (the neutral point is accessible). After reading some scientific articles, like this one Iron Loss Model Under DC Bias Flux Density Considering Temperature Influence, I found out that the…
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Why we can set frequency 0HZ for DC in solenoid model in CADFEKO ?
Hi, I want to know is there any way to set zero frequency in CADFEKO .
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License Support
Hi, I reset my laptop, forgetting to deactivate my license, now installing flux onto the same laptop with reinstalled altair flux, I am having issues with the license. Could I please have the license deactivated, so I can reactivate on my laptop. Kind Regards, Cayden Ninness
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Query about iteration for my design.
Hi, I am investigating the magnetic field strength of an array of magnet setup, and I have been messing around with the dimensions, shape, etc where I can iterate through parameters for my design. I would like to now iterate through different number of magnets in the system, by turning them on and off. My idea would be to,…
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Import materials from Flux material manager into Simlab
Hi, I just wanted to know if there is a way to import materials from the Flux material manager into Altair Simlab Flux 2025.1? Best regards
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User overlays in Altair Flux 3D for induction machine
Hello, I’m creating a 3D model of an induction machine using User Overlays in Altair Flux. After entering the machine parameters, I received the following error message. Could anyone please advise if there is a solution to this issue?
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I’m trying to confirm and (if needed) change the geometric units used in the Flux modeler.
In Flux Supervisor my project is set up with metres as the base unit in the Units Manager. However, inside the Flux modeler environment, when I define a point at (0.15, 0, 0.05), the tooltip shows (150e-6, 0, 50e-6), which suggests my geometry is interpreted in millimetres and then displayed in metres. What is the correct…
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How to use Nodal virtual works with the generalized projective method in Flux2025
Good morning, I am trying to use the Nodal virtual works setting in the generalized projective method data collection window. I am using the same collection supports that I successfully used with the local integration of Maxwell stress tensor setting. Should I change anything? Best regards, Giacomo
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Which solution of Flux will help to calculate the DC surface resistance of the insulating material
I want to calculate the resistance of the surface of insulating material
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Flux & Simulink co-simulation - variation of geometric parameters
Hello, does somebpdy know if it is possible to change parameters used in the geometric definition of a machine (e.g. the airgap length or the slot width) in Flux when using the co-simulation in MATLAB/Simulink? It is pretty easy to do in a solving scenario when just working in Flux. However I wanna use the solution data in…
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Altair personal slc statistical visualizations of altair dxf file and render as pdf
Altair personal slc statistical visualizations of altair dxf file and render as pdf Too long to post here, see github github https://github.com/rogerjdeangelis/utl-altair-personal-slc-staistical-visualizations-of-altair-dxf-file-and-render-as-pdf pdf output…
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Measurement of the flux density in a fixed distance away from the rotor
Hi everyone, thanks for your patience! I have performed measurements along the rotor axis (z-direction), where the sensor moved parallel to the rotor while maintaining a constant distance from its surface. I would now like to reproduce these measurements in a simulation. How can I evaluate the magnetic flux density at a…
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Error in coupling Flux with Matlab-Simulink
I want to couple a Flux v.2025 project with Matlab/Simulink v.2023b. First, I got a .F2MS file from Flux, then I opened Matlab from the Flux Supervisor, and then I selected Flux Link block in Simulink library. Although the time step is the same in the two the softwares, I face the below errors: Error:An error occurred…
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Is it possible to couple Altair Flux with a Matlab Script?
I have a Matlab script, and I want to call Altair Flux from Matlab, run a Flux project, extract some sensor values from it, and then import these values back into Matlab. I need to repeat this process in a loop. What is the best way to couple Matlab and Flux to get this?
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Transiente Magnetic 2D Error when I try to solve
Hi. Can someone figure out what is going on with my simulation? I've already tried several things, including changing the transient initialization, but the following error still appears. I've attached my simulation file. https://us.v-cdn.net/6038102/uploads/CER5OH6HELTL/6pim-weg-w22-regime-partida-em-edicao-flu.zip
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Importing .dxf in Flux 2D
I'm a Flux beginner, with a great difficulty to initiate my first simulation. I've been trying to import a geometry from a .dxf file, but nothing goes. It is an eddy current brake. https://us.v-cdn.net/6038102/uploads/ZR0JR0C5HBUS/simula-c3-a7-c3-a3o-efc1-280-esp-57780-revc.dxf The "OK" button never stays enabled. I've…
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Is there a way to export a PNG of the geometry/Temperature isovalues map using terminal?
When I run Flux in the GUI, I can export the visual representation of the geometry or the heat map using printGraphicToFile(fileName=img_path, width=1280, height=1024). However, when I execute the same script in batch mode from the terminal, the image is not exported. Is there an alternative method to generate the PNG in…
