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Material Selection for Plastic Gears Using Altair® Material Data Center™
Plastic gears are widely used in automotive, industrial, and consumer applications due to their cost-effectiveness, low weight, corrosion resistance, and quiet operation. In the automotive industry, plastic gears can be found in critical subsystems such as windshield wiper mechanisms, seat adjusters, electric window…
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Boost Simulation Usability with Materials Intelligence in Altair® Material Data Center™
Incomplete material data can be a major roadblock in simulation workflows - especially when accuracy, multi-physics compatibility, and solver-readiness are critical. The Materials Intelligence capability in Altair® Material Data Center™ (AMDC) addresses this challenge head-on by automatically identifying and filling data…
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Generating Efficiency Contour Maps for e-Drives Using PSIM and Python
Introduction PSIM is widely used for generating e-drive efficiency maps due to its speed and reliability in such applications. So far, we have discussed automating such simulations with HyperStudy: Fast-Track eDrive Efficiency Maps in PSIM | Webinar June 2025 While tools like HyperStudy offer code-free automation, Python…
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Generating Valid Torque-Speed Points for PSIM Efficiency Maps with Python
Introduction Efficiency map generation is common with PSIM, with users worldwide leveraging its speed and robustness to automate power electronics simulations and achieve consistent, reliable results. This webinar walks you through the process of generating an efficiency map for a motor drive using PSIM and HyperStudy:…
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Searching Materials in Altair® Material Data Center™
The Altair® Material Data Center™ (AMDC) is a comprehensive, cloud-based platform that enables engineers, designers, and analysts efficiently find and use material data for simulation and product development. One of AMDC’s most powerful features is its versatile and intuitive search functionality, allowing users to find…
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Multi-Physics Material Selection for a Battery Pack Enclosure using Altair® Material Data Center™
As the electrification of transportation and energy systems accelerates, the battery pack has become one of the most critical components in modern engineering. While battery cells themselves often receive most of the attention, the enclosure that houses and protects these cells plays an equally vital role. It must maintain…
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nissan leaf simulation
Hello, can you please help me? I would like to simulate in psim a three-phase inverter with PWM control, a 3L NPC inverter and a 5L ANPC inverter included one by one in a circuit simulating the operation of a Nissan Leaf motor replaced by an asynchronous motor of specific parameters (Rs = 0. 45 Ω, Lls = 0.0018 H, Rr = 0.6…
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Smart Material Selection for Sheet Metal with Altair® Material Data Center™
Sheet metal plays a vital role across industries - from automotive body structures and aerospace panels to heavy engineering equipment, consumer electronics casings, and household appliances. Each application demands the right balance of strength, weight, and manufacturability, making material selection a critical step in…
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Moving Deformable Barrier (MDB) for ECE R95 Side Impact Test
I'm a master's student working on my thesis which is about crash simulation according to ECE standards and one of my simulation include crash according to ECE R95. I am a beginner and still learning about HyperWorks currently. For this, I need to simulate a Moving Deformable Barrier (MDB) impacting the side of the vehicle.…
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Multibody & Non-linear FEA Co-Simulation with MotionSolve and OptiStruct: Battery Pack Use Case
NOTE: A solid, in-depth understanding of MotionView for vehicle modeling and OptiStruct for structural analysis is essential to successfully implement this type of MotionSolve–OptiStruct co-simulation workflow. *Refer to the attached folder, containing detailed process of the MS-OS Cosim workflow along with all the model…
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ADAS Simulation Under Severe Vibrations using MotionSolve and FEKO
Foreword I’m excited to share the innovative work of my colleagues, Nadine Kåmark and Christoph Mäurer, who have tackled the complex challenge of automotive radar integration under severe vibrations. Their research demonstrates how Altair’s HyperWorks suite can model and analyze the impact of dynamic conditions, such as…
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Road PCD Marker Broken
Hello all, I am trying to use a custom PCD road by following the various guides. But the .rdf file when importing into Motionview has this weird spike that seems to be where the road marker is. Is there a way that I can fix this because the Hypermesh part looks normal, also the .fem file seems to look like others I have…
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*** ERROR # 179 *** The dependent d.o.f.s of multi-point constraints produces a singular matrix. T
Doing a Torsional Stiffness Study and setup the model but bringing up this error ERROR #179. I've tried to fix it over the past few days but with no luck. Wondering if anyone had any tips on how to fix this issue please let me know. I've attached the .hm model below. Product/Topic Name : Hypermesh
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Error #179
Description: I'm doing a torional Stiffness study of a monocoque, I belivie I've setup the model correctly following this tutorial https://www.youtube.com/watch?v=U2cJpttNK2c but I keep getting the error #179. *** ERROR # 179 *** The dependent d.o.f.s of multi-point constraints produces a singular matrix. This may be…
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CV Joint Performance and Durability in MotionSolve
Introduction In the world of automotive engineering, the performance and reliability of drivetrains relies on the design and performance of constant velocity (CV) joints. These critical components facilitate smooth torque transfer while accommodating varying angles between connected shafts, making their implementation…
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Automatic export text file about Model Information
Overview: The script automatically extracts model information (e.g., material, mesh type, mesh count). If the model is not suitable for analysis, it will notify you of any missing or incomplete data. This allows you to verify both the model details and any potential errors. You can also use this simplified information when…
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DoesTimeStamped Signal can be used as Variables In HyperStudy Optimization 'GA'
Does Time Stamped Signal can be used as import variables as input in HyperStudy to define Genetic Algorithm
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New cable modeling features in Feko - Part 2
Click here for Part 1 3. Shielded enclosure MoM/MTL feature The shielded enclosure is a specialisation of the schematic link and was first developed and then the schematic link generalised the connections to the full wave geometry. Figure 13: Shielded enclosure component represented in the Graphical User Interface (GUI).…
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New cable modeling features in Feko - Part 1
Abstract Altair Feko supports extensive cable modeling features, and this article will describe the latest features in more detail. The main cable feature is the combined MoM/MTL schematic link functionality. This allows accurate modelling of non-ideal (pigtail) shield connections to a device and radiation from common mode…
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Road data is not loading during creation of tracked vehicle by using roads tool
I am not able to read the road file data from the roads tool when i select the roads file it cant read the file and all the parameters stick to zero
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Overview of Methods to Predict Radio & Radar Coverage and Interference using WinProp & WRAP - Part 2
Simulating Radio & Radar Coverage and Evaluating Interference This second part shows further cases how the radio & radar coverage can be predicted and the interference can be evaluated using Altair Feko with WinProp and WRAP technologies. Case 4: 6G Reconfigurable Intelligent Surfaces and Non-Terrestrial Networks Including…
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Overview of Methods to Predict Radio & Radar Coverage and Interference using WinProp & WRAP - Part 1
Simulating Radio & Radar Coverage and Evaluating Interference The future information society will rely on mobile communications using latest 5G, 6G and WiFi technologies to provide a wide variety of applications for which significantly higher mobile data throughputs shall be supported. Key for development and for…
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How to work with a gearbox model in PSIM
It is widely known that in every powertrain system, the motor shaft is connected to a gearbox in order to increase the Torque by reducing the revolutions per minute. In PSIM, there is a block that simulates a gearbox but it has a fixed gearbox ratio. For that reason, this article focuses on presenting a gearbox with a lot…
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Rethinking Motorcycle Suspension: Girder Suspension Stability and Dynamic Simulations
Rethinking Motorcycle Suspension: Challenges in Achieving Precision and Stability with Girder Suspension Configurations in Dynamic Simulations PREFACE The dynamics of motorcycle suspension systems, particularly unconventional designs like girder suspension, present unique challenges in optimizing ride stability and…
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Calculating Static Rollover Threshold Using Automotive Tilt Table Event and MotionSolve
Preface: The automotive Static Rollover Threshold (SRT) refers to the maximum tilt angle at which a vehicle is likely to tip/roll over during a static situation. The SRT can be used to predict the vehicle lateral acceleration in which rollover may occur. Vehicles with a low Static Rollover Threshold (SRT) are at a greater…
