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Altair Community January 2025 Roundup
Hi Everyone, I would like to start a roundup post every month to highlight the top activities of our community. Let's look at what happened in January 2025. 🏆 January's Leaderboard Huge shout out to our Top Monthly Leaders ! 🎉🎉🎉Thank you so much for participating and being part of our community! @QNGUYENDAI @Sebastian_981…
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Community Champion of the Month - January, 2025
The Community Team would like to introduce the January Champion of the Month, Philip Holland @Philip_Holland. For 44 years Philip R Holland has been working with the SAS language. In that time, he has witnessed the evolution of usage of the language from mainframes to modern analytics environments used across all business…
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Altair Community Power Conversion & Motor Drives Chat
Introducing Power Conversion & Motor Drives Chat Series Join us for an exciting technical series where we will showcase the new capabilities of Altair’s power electronics and power conversion design tools. This monthly series is designed to showcase the latest capabilities, applications, and workflows for the design…
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Welcome to the Altair Community! Get Started Here
Welcome to the new and improved Community! We are excited to welcome you to the new and improved Altair Community experience. By joining, you become a part of a thriving and engaged network of over 1.3 Million users to access resources, share ideas and solutions, and connect with fellow experts worldwide. Benefit from the…
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Altair Community Magnetics Chat
Join us for an exciting technical series where we will showcase the new capabilities of High Frequency and Low Frequency tools in Altair. This monthly series is designed to empower industry experts by providing them with insights into the latest features, workflows, and advancements in Altair’s Electromagnetics solutions.…
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EDEM Tutorial CAD Files
I am currently in the process of taking the EDEM 2024 introduction course. As I've progressed through, I've noticed some of the videos have CAD geometry and models already set up. Do files associated with the tutorials exist? Thank you!
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How to Fix Cannot Load Geometry
I arranged my datas and lastly I want to add solidpart format to click of "import geometry" but I took an error about that cannot load geometry. I drew a part in Solidworks but occured same error. I created an montage design by the parts and same error again. I tried in step folder format for all drawings but occured same…
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Help liking input variables in HyperStudy
I have a variable called M which can take any value from 1 to 6. I want the value of S to take the value of 50, 60, 63.333, 276.67, 300, 1802.3 when M takes the values 1, 2, 3, 4, 5, 6 respectively. I.e. S = 63.333 when M = 3. Please could someone advise how I should do this.
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Exporting Free Body loads for multiple load cases change the coordinate system
Hi, The HM2024 model I'm working with has fasteners in different orientations. The analysis systems for the nodes attached to these fasteners have been updated to align with geometry. When exporting the FBD loads tables for all 14 load cases the first load case recognizes the correct CSYS but the remainder cases the loads…
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Hypermesh - Bearing Load
Hi, I want to replicate some ANSYS model in HyperMesh. The model contains a hole where a bearing load is applied. In ANSYS software that load is easily applied with a dedicated command. However, I cannot replicate this in HyperMesh. Bearing loads are applied in the half-surface of a cylinder with a sinusoidal distribution…
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Linear thermal expansion analysis with RBE2 elements
Hello everyone, I am carrying out a linear thermal expansion analysis on an exhaust system? The model consists of a few RBE2 elements connecting different components. I have assigned a CTE to the RBE2 elements similar to the surrounding steel elements using the alpha option? However, there are still a few locations that…
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How does the LMTGAP gap limit value is calculated for contact stabilization?
In guide page it shows that the value is based on the characteristic length of the contact interface. But how exactly it works? #CNTSTB #LMTGAP #OPTISTRUCT #CONTACT #STABILIZATION
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Is there a way to increase the font size of menus in HyperMesh 2024?
Is there a way to increase the font size of menus in HyperMesh 2024?
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Hello, I would like to install and configure my ALTAIR "licences standalone"
I have trouble to install ALTAIR "licences standalone" on my computer. I don't even have the ALTAIR software.
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When using simlab, how to set optistruct solver to use gpu
When using simlab, how to set optistruct solver to use gpu
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AcuSolveでの流路トポロジー最適化について
ACU-T:7201/SL2501のチュートリアルを参考に，当方で対象とする形状について流路トポロジー最適化を試みています。 具体的には，一つの入り口に対して25の出口に広く分散する流路の最適形状を求めようとしているのですが，各出口の流量を入口流量の(1/25)+/-10%の拘束条件を設定しているにもかかわらず，ほとんどの流体が入口に近い数個の流路から排出され，その他の出口に向かう流路は形成されない結果となってしまいます。…
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Deactivating thea sketchup license on a mac
Hi, I have activated the studnet License on may Macbook Pro, but realised, that laptop istn't powerful enough. So I would like to deactivate it and activate it on my new mac mini M4 Pro. How can I do this?
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How to retrieve the entities contained in an include in Hypermesh?
Hello, I'm trying to create a Python function that takes as an argument either the ID or the name of an Include, and returns collections containing all the entities present in the Include. I haven't found any Python commands that operate on Includes. Is it possible to create such a function with the current Python API?…
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EDEM on Linux GPU
Good day, Please, I am currently running a simulation that involves spherocylinders, and this seems to require GPUs for the simulation to work. In my university, we have an advanced computing center that provides GPUs for students; however, I was told the GPUs only work with software that runs on Linux. Please, how can I…
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Vim で OptiStruct や Radioss に縦ライン表示を入れて見やすくする例題
始めに Radioss や OptiStruct の入力ファイルを見るとき、このように縦ラインが入ると見やすいですよね。本例題は、このような縦ラインを入れるための Vim のスクリプトの例です。 Vim が使えること前提で、Vim の使い方のような話は一切しませんので、ご了承ください。 Vim スクリプト まず、次の関数を用意します。私は .vimrc に書いています。set cc は縦線を入れることのできる設定コマンドです。この関数を呼び出すごとに 8桁、10桁、表示なし、の切り替えをします。 set cc="" function! OreBBCCToggle() if &cc == "" set…
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Organize Models Using Groups in Altair Flow Simulator
Flow Simulator (FS) models can contain hundreds or even thousands of chambers, elements, thermal nodes, and resistors. Creating groups is a powerful way to organize and visualize these items in large models. Read this article to learn more about creating and managing groups. Grouping overview The Flow Model Browser and the…
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I have activated my License on my old laptop
Hi, I have activated my License on my old laptop, but realised later that the computer was too slow and now I would like to activate it again on my new computer. I don't have access to an old laptop.. Could you please help?
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Renewing HyperWorks 2023 Student Edition License
Hello, I am currently using the HyperWorks 2023 Student Edition, and my license is valid until March 7, 2025. However, I would like to renew it in advance to ensure uninterrupted access. When I check the AltairOne portal, it states, "You have already generated a license. Valid up to: 2025-03-07," and I don’t see an option…
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Particle Size Distribution Settings
Hello, "So, I am trying to generate a powder bed that replicates a powder with the following PSD: the particle sizes D₁₀, D₅₀, and D₉₀ are 24, 48, and 72 µm, respectively. In Altair EDEM, I used the following settings: The particles are spherical, and I used D₅₀ for their radius. For some reason, I am not getting the…
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Student License issue uninstalling Feko and installing it again
Last year I installed 2023 Feko and got a license to use it in the past year I uninstalled Feko and I did not deactivate the license. The old license is still the one I get from the Altair website and now that I have installed 2024 Feko I can't use it. Please help. I do not know how to deactivate the license for the old…
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reset password
I can not log in this username, so can you reset my password?? when i tried to sign up, it said i already had an account. i had previously used student license through my school email address, but when i request contest license, i accidentally entered my Naver email address. is it possible that i can't sign up for a new Id…
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Uploading Cold Formed Sections to S-Frame
Hello, I am trying to design a unit and use cold form steel for the exterior walls but when I try to import a cold formed steel section from S-Steel, it says the section is invalid. Can someone please provide some advice to this matter?
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Licensed software on an old PC, can the license be deactivated if I don't have access to it?
Licensed software on an old PC. I no longer have access to it. It was the student license. Is it possible to deactivate the license on the old computer and use that same license on my new computer?
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christian.hecker
Hi, i would like to create a motor with number of stator slots = 6 and number of rotor poles = 10. I am not allowed to do this, because "Windings with Q < 0.25 are not allowed. The found value is 1 / 5". Why is there a limit and how can i create to motor that i want to? With best regards Christian
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The following ERROR was detected: -4 Number of zero or negative pivots:***
I need the elastic constant for FRP honeycomb, so I just modeled and did a periodic mesh to the CAD, then imported it into MSD after entering the elastic constant for the fiber and entered the RUN option (during the run, the error has shown). *IN LINEAR MATERIAL CHARACTERIZATION*