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• In the case of a Global hook, what can be considered as "Initial Conditions"? And is it possible i
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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PhysicsAI Tips and Tricks 2 : Pre-requisites when performing prediction using Global & Nodal Hooks
Hi PhysicsAI users, When performing prediction using inputs via ‘Global’ or ‘Nodal’ Hooks approach in PhysicsAI, the below mentioned considerations are important to be followed. The CAD or solver deck to be used for prediction should have an associated .json file named _predict_inp.json which should be saved in…
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How to Create h3d or op2 file from NX Structural Solution
I am new to Altair/Hypermesh, I am exploring PhysicsAI. Can anyone tell me if it is possible to import NX structural simulations (.prt,.fem,.sim) and generate Altair format files like h3d or op2 in general to use these in PhysicsAI training
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PhysicsAI Tips and Tricks 1 : Enabling GPU for PhysicsAI 2025.1 version on Linux
Enabling GPU for PhysicsAI 2025.1 version on a Linux machine Hello PhysicsAI users, When using PhysicsAI 2025.1 version on a Linux machine, cuDNN 8.9.7 version needs to be installed on the machine. CUDA Toolkit 11.8 version remains the same. If cuDNN 8.7 version is used along with CUDA Toolkit 11.8 on a Linux machine for…
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Issue with Design explorer for ls dyna profile
I am using design explorer for ls dyna and I am facing issue. I want to run the exploration on remote desktop that situated at the other location. In this case whether I need to use the solver scripts?? Currently I am trying option of "writing solver files only " and running the simulation on remote desktop. But after…
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[PhysicsAI] GPU를 사용하여 학습하기 위한 기본 요구 사항
Data set을 만들고 Training을 위해 GPU리소스를 사용하려면 기본적인 요구 사항을 충족해야 정상적으로 진행할 수 있습니다. 2025.1 버전 기준으로 확인 및 조치를 취해야 할 사항은 다음과 같습니다. Compute Capability 6.0 이상의 NVIDIA GPU 사용 NVIDIA CUDA Toolkit 11.8 설치 NVIDIA cuDNN 8.7 설치 관련한 상세 내용은 아래 링크를 통해 확인해 보실 수 있습니다.…
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Using Physics AI to Optimize Interior PMSM Geometry
In this video, explore how Altair’s PhysicsAI is used to accelerate and optimize the design of Interior Permanent Magnet Synchronous Machines (IPMSMs). Learn how AI-powered simulation can intelligently predict performance metrics and guide geometry changes for maximum torque, efficiency, and reduced development time. ✅…
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Altair PhysicsAI License Error 15
All other functions in Hyperwork are available. However, when only enter PhysicsAI and start load projects we did before, it shows license error: Altair License Manager: License error Feature(s): GlobalZoneAM, HyperWorks, HWEngDataSciPaiShape Error Code: 15 Error Description: [NETWORK] 6200@localhost - (Err: 15) Unable to…
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Exciting Update! New Sessions added to the Community Magnetic Chat Series
We added 8 more sessions to our ongoing Community Magnetic Chat Series. 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. Throughout the series attendees will have the opportunity to learn…
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AltairのAI搭載エンジニアリングソリューションに関するよくある質問5選
エンジニアリング用途向けのAIは、私のノートPCで動きますか？それともクラウドアクセスが必要ですか？ AIを活用したエンジニアリングソリューションはノートPC上でも動作可能ですが、流体解析（CFD）などの負荷の大きいタスクには、クラウド上のハイパフォーマンスコンピューティング（HPC）を使う方が効率的です。 とはいえ、Altairの physicsAI、romAI、HyperWorks プラットフォーム、RapidMiner プラットフォームは、いずれもノートPCから利用できます。必要に応じてクラウドコンピューティングへ簡単に接続できるワークフローも備わっています。…
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PhysicsAI Prediction Error with LS-DYNA *INCLUDE Files
I am using HyperMesh v2025, PhysicsAI, and LS-DYNA. I typically work with simulation models that include *INCLUDE cards to organize the input files. I am able to train my PhysicsAI model on these files without any issues. The thickness and material properties are extracted correctly, and testing predictions also work…
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AI-Driven Electric Motor Design: Reduced Order Modeling & Geometry Optimization
https://us.v-cdn.net/6038102/uploads/YENM59AEB4C5/ai-tutorial-pdf.pdf 🧭 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…
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PhysicsAI ValueError
Description: Error Occurred during Model Training Product/Topic Name : [HyperWorks - Altair PhysicsAI 2025.0 / Build: 24.a51169075ee] Hello, Kindly provide the reason and best practise for avoiding the following error. The dataset was updated and during model training the error occurred. Thanks in advance, Thirukumaran S
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How to read simulation properties (inputs) of LSDyna simulation for PhysicsAI dataset creation.
I have .k and d3plot files of LS dyna. How to read simulation properties (inputs) of LSDyna simulation for PhysicsAI dataset creation. So that during prediction by ML model, labels can be used. Tried option of reading of .k file and d3plot and exporting into .h3d format. Used Extract Simulation properties" option. Not…
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Questions about the Integration of Ansys HFSS and Altair PhysicsAI
If our customer uses Ansys HFSS for High Frequency Signal Integrity Simulation on TDR/IL/RL/FEXT/NEXT, what kinds of output files from Ansys HFSS could be used for Altair PhysicsAI on training/testing/prediction? p.s. We have done .h3d for training/testing in Altair PhysicsAI, but we don't know the process from Ansys HFSS…
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Issue when testing model in PhysicsAI: consume_qcnn error
Hi, how are you? I'm using Altair PhysicsAI version 2024.1 on Linux, and I get this error right when I try to test a trained model with a dataset. The error says: *** UNEXPECTED ERROR *** Version: 2024.1 Module: consume_qcnn Line: 2931 Type: CalledProcessError I just wanted to know if this has happened to anyone else and…
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Problem with radioss solver when training for physicsAI model
I already named the result file (.h3d) and the solver file (.rad) with the same name, but I still encounter that error during training. Can anyone tell me how to fix it?
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Issue with Training Model when use PhysicsAI tool
While training the PhysicsAI model, I encountered the error shown in below image. I have checked all the output .h3d files, and none of them are empty. Could you please let me know what might be causing this error?
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Inspire non-deserialized results and PhysicsAI
Dear community, I have fully parametrized a pressure vessel using Inspire to generate lots of data through DesignExplorer to create a PhysicsAI project. Although, the DoE result files are in a deserialized format, such that each run of the DoE is broken into 6 different "optiResHvtransOut.h3d" files. Is it okay to feed…
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error occurred while using PhysicsAI to predict the drop test analysis
I ran a drop test simulation in SimLab and exported the .h3d file to train a PhysicsAI model in HyperMesh. However, after completing the training and testing process, I was unable to generate predictions using the new model. Could you please help me check the issue? (The .h3d file is located in the link below.)…
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use the PhysicsAI tool for a drop test simulation in HyperMesh
Could you please guide me on how to use the PhysicsAI tool for a drop test simulation in HyperMesh?
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issue with unit system with PhysicsAI tool in SimLab
In my result file, the maximum stress is around 505 MPa, but when I use the PhysicsAI tool in SimLab to view the results, the stress appears very small - about 5.05e-4 MPa. Is there a way to fix the unit settings so that the result correctly shows 505 MPa?
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Student Edition - Physics AI
Dear Altair Community, Is PhysicsAI not included in the Altair Student Edition? I don't see it as a limitation on Altair Student Edition webpage but I still get this error while trying to create a pAI project. In any case, is there a way of obtaining temporary access to a license that includes pAI as a student? Thank you.…
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error in PhysicsAI from making dataset of ansys rst file
i have dataset ansys result file and i am trying to to make data set for result prediction but some error is coming while extracting dataset error image attached please give me detailed error solution don't say like you have inconsistent dataset or some silly things
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Physics AI 2025 on Linux
Dear all, I'm working under Linux environment and I'm not root on this workstation. In order to check the conformity of the instation of Physics AI 2025, I would like to know if there are command for IPython to check the versions of libraries CUDA and cuDNN which are written at…
