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Issues with Salient Pole SM Model
Hello Everyone. I hope you are doing well. I used Overlay to get geometry for SPSM with damper barsand then updated the geometry to split the slot into 4 equal sections for a double winding setup. The issue I'm having is that my voltage is not sinusoidal, and the stator coils have very high current. I noticed that during…
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Excessive Torque Ripple While Using a Flux/FluxMotor PMSM Model in PSIM
Are you using PSIM v2025.0 or earlier and face this strange torque ripple effect from the Flux or FluxMotor model? This is attributed to the fact that the .mat file contains a non zero initial angle. The .mat uses the mechanical rotor angle and you can be found the rotor angle if you open it. However, PSIM v2025 or earlier…
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Difference between Altair Flux & Flux Motor?
Hi all, I recently came across Altair’s suite of products related to motor design and development, specifically Altair Flux and FluxMotor. I would like to understand the key differences between these two tools, and in what scenarios each one is best suited for use. Are there any specific criteria or guidelines for choosing…
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AI-Driven Electric Motor Design: Reduced Order Modeling & Geometry Optimization
🧭 Overview As electrification accelerates, the need for fast, accurate, and scalable electric motor design becomes critical. Traditional modeling methods like Finite Element Analysis (FEA), while accurate, are time-consuming and computationally expensive—especially when optimizing across multiple variables like geometry,…
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Verification of boundary edges aborted - Remeshing of mech. set impossible on current time step
Hi all, I'm currently working on static eccentricity in my motor design, but in trying solve the model, I'm encountering an issue that isn't immediately obvious to me and would appreciate your input. The problem seems to be related to the air gap, as flagged by the software. I’ve structured the air gap into three regions:…
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Fast Track eDrive Efficiency Maps & WLTP drive cycle with PSIM | Webinar June 2025
Fast Track eDrive Efficiency Maps in PSIM This webinar walks through an end-to-end process for generating efficiency maps in PSIM - both at the inverter level and system level - by leveraging its seamless connection with Altair Flux. We'll also cover strategies and tips for making sure all operating points are hit…
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in altair flux motor, i want run motor for specific torque at specific rpm for 5 min. can i do this
Let me know how to go ahead for this question.
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Flux 2D - Clarification on Iron Loss Calculation and Bertotti Approach
Hello everyone, In my calculations using Bertotti approach(for an induction motor), I obtained an iron loss of 7 watts and multiplied this by four, considering that the motor is a 4-pole machine. Later in the design process, I attempted to modify the hysteresis and eddy current coefficients. However, despite changing…
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Accelerating Induction Motor Modeling with AI-Based Reduced Order Models
📌 Introduction Accurately predicting the performance of induction machines across varying operational conditions is essential for robust electric drive design—especially in automotive and industrial applications. However, full Finite Element Analysis (FEA) simulations, while accurate, can be extremely time-consuming and…
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SMPM Polyphase Machine Modeling in Altair Flux and FluxMotor
In this video, we demonstrate how to model and analyze a Synchronous Machine Permanent Magnet (SMPM) polyphase machine using Altair Flux and FluxMotor. Learn how to seamlessly combine motor design and high-fidelity multiphysics simulation to evaluate performance, efficiency, and electromagnetic behavior.
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How to Export a Flux Project to SimLab?
Want to preserve your existing electromagnetic design work in Altair Flux while taking advantage of SimLab’s multiphysics environment? In this video, learn how to seamlessly import and convert Flux models into SimLab to enable structural, thermal, and NVH simulations—all within one unified platform. This series is a…
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How to View Maxwell Pressure, Use Force Computation Tool and NVH Postprocessing in SimLab
In this tutorial, we walk you through a complete NVH analysis workflow in Altair SimLab, focusing on: Visualizing Maxwell pressure from electromagnetic analysis Using the Force Computation Tool Performing NVH postprocessing for electromagnetic machines This step-by-step guide is ideal for engineers working on…
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Demagnetization of Permanent Magnet with Respect to the External Magnetic Field and Temperature
In this video, we explore how permanent magnets—widely used in electric machines, sensors, and actuators—can demagnetize under the influence of external magnetic fields and temperature. You’ll gain a clear understanding of: The physical principles behind magnet demagnetization How external magnetic fields can alter…
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How to Create Step Skew Geometry and Optimized Extrusive Mesh in Altair Flux?
In this tutorial, you’ll learn how to model step skew geometry and generate an optimized extrusive mesh using Altair Flux. Whether you're working on electric machine design or advanced electromagnetic analysis, this walkthrough will help you accurately simulate skewed structures and improve your mesh quality for better…
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How To Create Step Skew Geometry and Optimized Extrusive Mesh in SimLab?
Learn how to efficiently model step skew in electric machines and generate an optimized extrusive mesh using Altair SimLab. This tutorial walks you through the full process—from geometry preparation to mesh refinement—for more accurate 3D electromagnetic and NVH simulations.
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From 3D to 2D in simlab for FLUX simulation
Is there any way to obtain a 2D geometry to simulate in Flux from a complex 3D CAD model? For instance, by creating a cutting plane on the 3D model and designating the resulting faces for simulation or something similar. Additionally, I am assuming that SimLab is the tool to perform this task, but I am open to using any…
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Single Phase Induction Motor
Hi, I have followed the single-phase induction Motor tutorial. Some poor-quality elements occurred, which is why I am obtaining a linear graph for Mean Torque vs. Speed. What should be done to improve the quality of the mentioned elements? This is the result of Physics Check. This is the obtained graph. This is the graph…
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download anther computer ->Activation Request Faile
Description: Activation Request Faile Product/Topic Name : flux 2025 i want to use flux 2025 another computer but i cant activate license how can i activate this licese???
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Failure to extract result in hyperstudy DOE linked with flux
While trying to extract the results in hyperstudy DOE from flux 3D project, i keep getting failure in the extract section. everything up to this point works well but when i get here i get failure prompt. i checked the task_exe_stderr file and this was the message i saw [66946|1748744137637|1|WARNING…
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Failure to extract results in HyperStudy DOE
While trying to extract the results in hyperstudy DOE from flux 3D project, i keep getting failure in the extract section. everything up to this point works well but when i get here i get failure prompt. i checked the task_exe_stderr file and this was the message i saw [66946|1748744137637|1|WARNING…
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Flux3D and Hyperstudy interaction
hello I am running a simulation on HyperStudy from Flux3D and I am performing the DOE step. However, my Execute tab keeps showing failure, and I have checked the Flux log file, but I cannot seem to find the error. Attached is an image showing my problem, as well as the flux log file for the different runs. p.s. my setup…
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Error in fitting Jiles Atherton model in compose
Description: I’m using the Jiles_Atherton_Model from Flux Identificaton Material in Altair Compose to perform a Jiles–Atherton BH curve fit on data exported from PSpice. I converted my PSpice output to a CSV with only two columns (H in A/m and B in T), removing the Time column since I only needed to plot B vs H. However,…
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Flux export to Hyperstudy
I am trying to export my model from flux to hyperstudy for Torque optimization purposes. I need the rms value of torque. also i have loaded the analyze 2D curve macro so as to get the torque IO params and also created an external python file for post processing ( i created it in VS code software) and added it to the same…
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Flux - SimLab Tutorial: 2D DOE and Optimization of PM Motor
Introduction Permanent magnets play a crucial role in modern electromechanical devices, ensuring efficient performance in applications ranging from electric machines to sensors. PM motors are now the most used motors in the automotive industry. Optimization is key to improving performance. Recent advancements in simulation…
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What does the ELTORQ_ROTOR_R parameter value 0.01067707551731 represent in electric motor simulatio
I'm running an electric motor simulation in Altair Flux and have a question about parameter values. In my simulation results, I can see a graph of ELTORQ_ROTOR_R (TorqueElecMag) that shows torque oscillating over time between approximately 0 and 0.014. However, in the parameter list at the bottom of my interface, I see…