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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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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…
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Urgent: Cannot deactivate PSIM student license after PC format
Hi Altair Community / Altair Support Team, I am a student currently using the PSIM Student Edition. I recently had to completely format my PC and reinstall Windows. Because my old OS is completely wiped, I cannot access the License Manager to deactivate my license myself. Now, when I try to activate PSIM on my fresh…
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Can I simulate the band at 7 GHz in WinProp - workaround for FR1/FR2 validation error?
Hello, I am running coverage simulations in WinProp / ProMan for a master's thesis on multi-band cellular planning. My current scenario includes three bands working correctly: LTE B8 (950 MHz), LTE B1 (2160 MHz), and NR n77 (3525 MHz). I now want to add a fourth band at 7 GHz, corresponding to the IMT-2030 candidate range…
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EDEM API
Good day, I hope this message finds you well. I am trying to get started with EDEMAPI using the tutorials on the website. However, I discovered that some of the tutorial are not working. Also, some of the codes are different what is in the tutorial videos on YouTube. Does anyone have an explanation to this. Thank you.
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Unable to Reactivate Altair 2022 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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P Delta Analysis using S- Frame
When Analysing a structure using linear analysis, the results sound reasonable, however using P Delta Analysis, the software is giving me crazy results and instability problems for some loading combinations, Any suggestions ?
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Can electromagnetic forces from Flux be mapped to ANSYS Mechanical?
I am working on a motor vibration / structural analysis workflow. My goal is to compute electromagnetic forces in Altair Flux, and then apply those forces as structural loads in ANSYS Mechanical. I understand that the standard Altair workflow is usually Flux → SimLab / OptiStruct for motor NVH analysis. However, I would…
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How to install and launch HyperSpice 2026
Description: Installation/Launch Problems Product/Topic Name : Altair HyperSpice 2026 Hi, has anyone encountered installation issues with Altair HyperSpice 2026? I successfully activated the license and installed the software, but the app is not available in the apps list, I needed to open in from the program files folder…
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Unable to export mesh support file for Flux in SimLab motor NVH example
Hello, I am following the Flux-SimLab / Flux-SimLab-OptiStruct Electric Motor NVH example. At the SimLab mesh export step, the tutorial says to select the stator tooth faces and then use: Advanced > Trials > Flux This should create the mesh support file: Mesh_SimLab_ForFlux.fem However, in my case the .fem file is not…
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Altair SLC enhanced openradioss tensile strength simulation python no gui no mouse surfing
Altair SLC enhanced openradioss tensile strength simulation python no gui no mouse surfing A complete enhanced self-contained reproducible example is presented that is entirely scripted, no GUI or mouse surfing required. Results are choppy because I created only 41 frames, good for testing. Physics is scaled down to limit…
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How to maximize RAM usage to reduce scratch size in Optistruct.
Description: How to maximize RAM usage to reduce scratch size in Optistruct. Product/Topic Name : Optistruct 2026. ** Altair OptiStruct(TM) 2026 ** ** Advanced Engineering Analysis, Design and ** ** Optimization Software from Altair Engineering, Inc. ** ** OptiStruct includes an enhanced proprietary version of NASTRAN **…
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Urgent: Cannot deactivate PSIM student license after PC format (Hard Drive ID changed)
Hi Altair Community / Altair Support Team, I am a student currently using the PSIM Student Edition. I recently had to completely format my PC and reinstall Windows. Because my old OS is completely wiped, I cannot access the License Manager to deactivate my license myself. Now, when I try to activate PSIM on my fresh…
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Conjugate heat transfer on altair Inspire for fluid flow and implicit sufaces
Hi, I am working on a TPMS geometry and I would like to evaluate the pressure drop and the outlet temperature of an air flow through a gyroid unit cell. I followed the tutorials on conjugate heat transfer and on the gyroid heat exchanger. However, in my case I would like to model only the fluid domain using implicit…
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FEKO SCRIPTING INTERFACE
I am trying to run scripts on feko scripting interface and nothing happens. Can someone kindly assist on how to go about it?
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ModuleNotFoundError in PhysicsAI v2026
Hello, I am trying to train a model in PhysicsAI 2026.0 and I am facing this error. I have used the same dataset previously to train a model using PhysicsAI 2025 and it completed fine. Anyone know what's causing this error and how to fix this? [09:58:39] (INFO): [09:58:39] (INFO): Validation records : 0 [09:58:39] (INFO):…
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EDEM documentation
General Business Good day, I hope this email finds you well. I am trying to access the Altair EDEM documentation by clicking on the first popped up web page below. But it has not been working for some time. I was wondering what could be wrong. Also, wondering if anyone is able to access the website and possibly help with…
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Request to Reset PSIM Student License Activation - Different HostID Error
Hello Altair Support Team, I am using PSIM 2026 Student Edition. I previously activated my student license on my old computer. After changing my computer, I cannot activate PSIM on my new computer. I no longer have access to my old computer, so I cannot deactivate the license manually. During Altair License Server 2026.0…
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Não consigo ativar a licensa
Description: Kindly add description here Product/Topic Name : Kindly include the product name, version if applicable here. Also, Don't forget to tag with the product/topic related to your question. *Note from Community Team - Once you receive a satisfactory answer on your question, kindly mark your answers as "Accepted" so…
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How to achieve the conical swing of a cone crusher?
This is my exercise setting. Two stacked Sinusoidal Rotation Kinematics，but this motion is not a conical swing around the z-axis, but a swing towards the positive x-axis direction. How should I set it up? Thank you.
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PC変更に伴う学生ライセンスのリセット依頼
Altair サポート担当者様 PCを新しく買い替えたため、新しいPCでAltair Student Editionのアクティベーションを行ったところ、「This license was already activated using different HostIDs.」というエラーが表示されてしまいました。 以前のPCでのアクティベーションをリセット（解除）していただけないでしょうか。お手数をおかけしますが、よろしくお願いいたします。 ※なお、この投稿は公開設定となっているため、私のアクティベーションキーは記載しておりません。アカウント情報からご確認いただけますと幸いです。
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Display Settings in HyperMesh 2025.1 (Forces, SPCs, Mass Nodes, Marker Size)
Description: I would like to display values such as forces and SPCs in HyperMesh 2025.1 in the same way as in version 2021.1. I would also like to display nodes where mass is assigned. In addition, I would like to enlarge mass elements and the triangular markers that indicate the positions of SPCs. Could you please explain…
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Simlabでの自動HEXメッシュ作成時に、ボディ間の要素結合がされない原因
Description: Kindly add description here 添付のCADデータからメッシュ作成をしたいと考えております。自動HEX機能でメッシュを作成すると、ボディ間の要素結合がされません。またメッシュ作成後に結合させようとしてもうまく結合できません。対応方法についてご教示いただけないでしょうか。 Product/Topic Name : Kindly include the product name, version if applicable here. Also, Don't forget to tag with the product/topic related to your question.…