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Community March 2026 Roundup 📣
It's time for our March roundup! We've been busy behind the scenes and we're thrilled to share some significant updates. Get ready! 📣 Major Updates Altair's Support infrastructure migrated to the Siemens Support Center: As of Monday, March 9th, the Altair Support Portal has been shut down and your cases have been migrated…
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Altair Support is Moving to Siemens Support Center!
STATUS UPDATE (March 9 2026): Dear Community, Your support cases have been migrated to the Siemens Support Center. As of Monday, March 9th, the Altair Support Portal has been shut down. You should have received an email with the links and instructions on how to activate your account and log into the Siemens Support Center.…
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Altair Community Rewards and Recognization
The Altair Community is a space where beginners, experienced users, industry experts, students, faculty and our product specialists come together to share insights, collaborate, and find ways to take full advantage of our products. Engagement is at the heart of the Community and with the launch of our new and improved…
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Volume for triangle edge-polyhedron contact
Hi, I am looking to develop a custom GPU contact model for polyhedra. I need to handle particle-triangle contacts differently to particle-particle ones. I am interested particularly in the overlap volume EDEM produces for a polyhedral particle falling onto an edge (where it's velocity is in-plane with the triangle). In…
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Altair slc openradioss python scripted for cell phone drop no gui
Altair slc openradioss python scripted for cell phone drop no gui Animation https://drive.google.com/file/d/1LYE3loLaqLB-m05IfM_Ie3HzRcjLUpuw/view?usp=drive_link Too long to post here, see GitHub https://github.com/rogerjdeangelis/altair-slc-openradioss-python-script-for-cell-phone-drop-simulation-no-gui CONTENTS 1…
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I can't join my correct university team
I am part of the University of Ottawa and for some reason when I created my account with my university email it automatically put me into a community but this is the incorrect one. This one is located in Quebec and owned by some random person NOT by our team. I would like to be moved to the correct team please or delete my…
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Unable to access license store
I am writing to urgently request technical support regarding a license error that suddenly started occurring on my personal computer. I am currently using an Altair Student License. I want to emphasize that everything was working perfectly fine until recently, and this issue suddenly happened out of nowhere without any…
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Modèle train avant MacPherson – Analyse statique – Efforts joints incohérents MV
Bonjour, Je vous contacte afin d'obtenir votre assistance sur un problème de corrélation d'un modèle de train avant MacPherson sous MotionView/MotionSolve 2025. CONTEXTE ET OBJECTIF Je travaille sur la corrélation d'un modèle multicorps de suspension avant de type MacPherson (1 triangle, 1 jambe de force) contre un modèle…
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PSIM 2026 Student Edition license activation after Windows reinstall
Hello Altair Support Team, I am using PSIM 2026 Student Edition with an active student license. I previously activated my license on my computer, but I had to format/reinstall Windows. After reinstalling PSIM 2026, the same activation key no longer works. It seems that the license is still linked to the previous HostID. I…
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Request to Reset HostID for Student Edition License
Hello Altair Support Team, I am using Altair HyperWorks 2025 Student Edition. I formatted/reinstalled my PC and now I get this error: "This license was already activated using different HostIDs." Could you please reset/deactivate my previous HostID so I can reactivate my student license on my current PC? Activation Key:…
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Unable to Reactivate Altair 2026 Student Edition – Different HostID Error
Hello Altair Team, I am trying to activate my Altair 2026 Student Edition license using my activation key, but I receive the following error: "This license was already activated using different HostIDs." Earlier, the software was activated on my laptop, but after reinstalling Windows/changing network settings, the HostID…
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LS-Dyna solver - Strain Energy Output
Hello, I am using LS-DYNA solver for a windshield impact simulation. The glass is modeled with *MAT_ELASTIC and failure is defined using *MAT_ADD_EROSION with critical stress, critical energy and critical radius values. In HyperGraph I can only see MATSUM internal energy, but this is the internal energy of the whole…
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delete
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I am trying to use the HyperMesh Python API function markprojectnormallytosurface, but I am getting
TypeError: in method 'HMAPI_markprojectnormallytosurface', argument 3 of type 'hwDescriptor::Collection &'
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Change Type of Account
I need to change my account type for "Everyone Else". I created a student account for FSAE, but my team has a company license.
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How to keep a manual mesh creation when batchmeshing
I am using Hypermesh 2025 and have a component in which I have manually meshed certain areas where the batchmesh meets the curvature and geometry extremely poor. Is it possible to ensure my mesh is kept and batchmesh only meshes over the remaining areas?
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Asking help for Press fit/ Interference fit
Hello I am doing an interference fit or press fit for a bearing to a shaft. The parameters I know is the material Steel (AISI 1080) for the bearingand Steel (AISI 4142) for the shaft, coefficient of friction of 0.20 and . I want to know the force required to push the bearing into the shaft. I want to confirm if my process…
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Segment face not exported correctly
Description: I am trying to use the new version of HyperMesh 2026 to create a segment set for the faces on my obstacle, but it is not working. When I export the model to a Radioss file, the segment set does not appear there. Instead it goes under sets/general. Could you help me understand what might be causing this issue…
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PSIM netlist (.cct) runs in Compose but MOSFET Level-2 model not behaving correctly
I am using Altair Compose 2025 to run a PSIM netlist (.cct file) through the command-line interface using PsimCmd.exe, e.g.: "PsimCmd.exe" "… .cct" The simulation runs successfully when I use ideal switches (SSWI), and the results are correct. However, when I replace the switches with MOSFET Level-2 models, the simulation…
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Simlab2026 Crash
I installed Simlab 2026 from the Altair marketplace. After installation, the tool worked and I was able to import my design then mesh it. I saved my progress for the day. The next day when I tried to open the tool again, the Simlab window opens for a second and then the program crashes. On investigating further, I see that…
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すごく小さい値を使用する方法
Description: AI Studioにて10^-8程度のすごく小さい値を使用する方法を教えてください。 まず、小さい値が入ったcsvファイルを読むと添付したBoxPlot.pngファイルのように統計プロット中ではきちんと数値として認識しているように見えます。 しかし、その後にNormalizeで規格化すると、添付した規格化結果.pngファイルのように小さい値の入った部分（”PreCoe1, 2”）だけ規格化が上手く動作していません。 この原因、対策を教えていただけると助かります。 （逆に10^+8のようなすごく大きい値では上手く動作しているようです） よろしくお願いいたします。 Product/Topic Name : Altair…
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Blocking Issue: Managed License
Is there a way to force managed license AU to be freed ? Since AU seem to sometimes be blocked from beeing released (after e.g. closing AMDC-Browser session). This is somewhat needed if Units for specific features dont level or are hosted by Altair One. When working with the minimum needed AU for my applications, it is…
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Reset Altair License
Dear Altair Support, I am currently encountering an issue when trying to activate my Altair license. The system displays the error message: "This license was already activated using different HostIDs." I had a lot of difficulty with installation and it seems now that there is an error with the host computer. Could you…
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Request to Reset Altair Student License - HostID Conflict
Hi Altair Support, I am getting the error "This license was already activated using different HostIDs" when trying to activate my student license for RapidMiner / AI Studio. I had to reset/reconfigure my system and cannot bypass this locally. Could you please deactivate the previous activation on my account so I can reuse…
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Radioss - Composite thermal expension and CornerData
Hello, With Radioss 2025 I have two specific questions about composite elements : The composite is modeled using 3D P6_SOL_ORTH elements with LAW12. Is it possible to have a different coefficient of thermal expansion (THERM_STRESS) for each of the 3 composite directions? For post-processing with HyperView 2025, how do I…