• 1. Introduction
• 2. Choosing a Virtual Machine
  • 2.1. Virtual Machine Types and Sizes
  • 2.2. Understanding Virtual Machine Size Names
  • 2.3. Simultaneous Multithreading/Hyper-Threading
  • 2.4. CPUs/vCPUs vs Memory
• 3. NVIDIA GPU Driver Support
  • 3.1. NVIDIA GPU Driver Types
  • 3.2. NVIDIA GPU Driver Support by Application
  • 3.3. NVIDIA GPU Driver Support by Virtual Machine Size
  • 3.4. Configuring Slurm Clusters with NVIDIA GPU Instances
• 4. Application Support
  • 4.1. Ansys Applications
    • 4.1.1. Ansys 2025 R2 Applications
    • 4.1.2. Ansys 2025 R1 Applications
    • 4.1.3. Ansys 2024 R2 Applications
    • 4.1.4. Ansys 2024 R1 Applications
    • 4.1.5. Ansys Service Pack Installation
  • 4.2. Third-Party Applications
• 5. Recommended Hardware for VDI Workflows
  • 5.1. General Tips and Guidelines for Choosing VDI Hardware
  • 5.2. Recommended Virtual Machine Sizes for VDI Workflows
• 6. Recommended Hardware for Cluster Workflows
  • 6.1. General Tips and Guidelines for Choosing Cluster Hardware
  • 6.2. Recommended Virtual Machine Sizes for Cluster Workflows
• 7. Requirements and Best Practices for Slurm Autoscaling Clusters
  • 7.1. Overview of Slurm Autoscaling Cluster Setups
  • 7.2. Best Practices for Slurm Autoscaling Clusters
    • 7.2.1. Best Practices when Creating an Autoscaling Cluster
    • 7.2.2. Best Practices When Adding Ansys HPC Platform Services (HPS) to an Autoscaling Cluster
    • 7.2.3. Best Practices for Using a Slurm Autoscaling Cluster
  • 7.3. Testing a Slurm Autoscaling Cluster
    • 7.3.1. Check the Readiness of the Slurm Autoscaling Cluster
    • 7.3.2. Submit a Test Job to the Slurm Autoscaling Cluster
• 8. Recommended Configurations by Application
  • 8.1. Ansys Discovery Virtual Desktop
  • 8.2. Ansys Electronics Desktop Configurations
    • 8.2.1. AEDT Virtual Desktop
    • 8.2.2. AEDT Autoscaling Cluster Workflow
      • 8.2.2.1. Step 1: Create an AEDT Autoscaling Cluster
      • 8.2.2.2. (Optional) Step 2: Create a Virtual Desktop for AEDT Job Submission
      • 8.2.2.3. Step 3: Configure Job Submission to HPC Platform Services
      • 8.2.2.4. Step 4: Submit a Job to the AEDT Autoscaling Cluster
  • 8.3. Ansys Fluids Configurations
    • 8.3.1. Virtual Desktop with Ansys Fluids
      • 8.3.1.1. Creating a Virtual Desktop with Ansys Fluids
      • 8.3.1.2. Running Ansys Fluent Aero and Fluent Icing (2024 R1 and 2024 R2)
      • 8.3.1.3. Requirements for EnSight Remote Launcher
    • 8.3.2. Ansys Fluids Autoscaling Cluster (Traditional Workflow)
      • 8.3.2.1. Step 1: Create an Ansys Fluids Autoscaling Cluster
      • 8.3.2.2. Step 2: Create an Ansys Fluids Virtual Desktop for Job Submission
      • 8.3.2.3. Step 3: Copy Input Files to the Shared Storage on the Virtual Desktop
      • 8.3.2.4. Step 4: Submit a Job to the Ansys Fluids Autoscaling Cluster
        • 8.3.2.4.1. Running Ansys Fluent (CPU Compute)
          • 8.3.2.4.1.1. Run Fluent Interactively with Slurm and Use Cluster Nodes (CPU Compute)
          • 8.3.2.4.1.2. Run Fluent with Slurm in Batch Mode Using the Command Line (CPU Compute)
          • 8.3.2.4.1.3. Run Fluent in Batch Mode Using a Slurm Script (CPU Compute)
        • 8.3.2.4.2. Running Ansys CFX
          • 8.3.2.4.2.1. Run the CFX Solver Manager interactively with Slurm and use cluster nodes
          • 8.3.2.4.2.2. Run CFX with Slurm in Batch Mode Using the Command line
          • 8.3.2.4.2.3. Run CFX in Batch Mode Using a Slurm Script
        • 8.3.2.4.3. Ansys Fluent and CFX: Workarounds for Intel MPI-Related Issues
        • 8.3.2.4.4. Running Ansys EnSight on a Fluids Autoscaling Cluster
    • 8.3.3. Ansys Fluent Autoscaling Cluster Workflow Using HPC Platform Services (HPS)
      • 8.3.3.1. Step 1: Create an Ansys Fluids Autoscaling Cluster with HPC Platform Services
      • 8.3.3.2. (Optional) Step 2: Create an Ansys Fluids Virtual Desktop for Job Submission
      • 8.3.3.3. Step 3: Submit a Job to the Ansys Fluids Autoscaling Cluster Using the HPC Manager Web App
      • 8.3.3.4. Adding Environment Variables at the Fluent Application Level in HPC Manager
  • 8.4. Ansys FreeFlow Virtual Desktop
  • 8.5. Ansys LS-DYNA Configurations
    • 8.5.1. Ansys LS-DYNA Virtual Desktop
      • 8.5.1.1. Create a Virtual Desktop with LS-DYNA
      • 8.5.1.2. Run a Windows LS-DYNA Virtual Desktop
      • 8.5.1.3. Run a Linux LS-DYNA Virtual Desktop
        • 8.5.1.3.1. Run a Linux LS-DYNA Virtual Desktop Using SSH
        • 8.5.1.3.2. Run a Linux LS-DYNA Virtual Desktop Using GNOME Desktop
    • 8.5.2. Ansys LS-DYNA Autoscaling Cluster Workflow
      • 8.5.2.1. Step 1: Create an LS-DYNA Autoscaling Cluster
      • 8.5.2.2. Step 2: Create an LS-DYNA Virtual Desktop for Job Submission
      • 8.5.2.3. Step 3: Copy Input Files to the Shared Storage on the Virtual Desktop
      • 8.5.2.4. Step 4: Submit a Job to the LS-DYNA Autoscaling Cluster
      • 8.5.2.5. Upload and Run Custom LS-DYNA Binaries on the LS-DYNA Autoscaling Cluster
    • 8.5.3. Postprocessing Results from LS-DYNA Autoscaling Cluster Jobs
    • 8.5.4. LS-DYNA Processing Types for Distributed Solutions
  • 8.6. Ansys Lumerical Configurations
    • 8.6.1. Ansys Lumerical Virtual Desktop
    • 8.6.2. Ansys Lumerical Autoscaling Cluster Workflow
      • 8.6.2.1. Step 1: Create an Ansys Lumerical Autoscaling Cluster
      • 8.6.2.2. Step 2: Create a Lumerical Virtual Desktop for Job Submission
      • 8.6.2.3. Step 3: Submit Jobs to the Ansys Lumerical Autoscaling Cluster
        • 8.6.2.3.1. Submit Jobs to the Cluster Using Ansys Lumerical FDTD
        • 8.6.2.3.2. Submit Jobs to the Cluster Using the lumslurm API
  • 8.7. Ansys Mechanical Configurations
    • 8.7.1. Ansys Mechanical Virtual Desktop
    • 8.7.2. Ansys nCode Virtual Desktop
    • 8.7.3. Ansys Mechanical Autoscaling Cluster Workflow
      • 8.7.3.1. Step 1: Create an Ansys Structures Autoscaling Cluster
      • 8.7.3.2. (Optional) Step 2: Create a Virtual Desktop for Mechanical Job Submission
      • 8.7.3.3. Step 3: Submit a Job to the Ansys Structures Autoscaling Cluster
        • 8.7.3.3.1. Specify a Default Queue for Mechanical Jobs
        • 8.7.3.3.2. Submit a Mechanical Job to HPC Platform Services from Mechanical
        • 8.7.3.3.3. Submit a Mechanical Job to HPC Platform Services from Workbench
        • 8.7.3.3.4. Submit a Mechanical Job to HPC Platform Services Using the HPC Manager Web App
  • 8.8. Ansys optiSLang Virtual Desktop
  • 8.9. Ansys Rocky Virtual Desktop
  • 8.10. Ansys Semiconductor Workflow Configuration
    • 8.10.1. Step 1: Create an Ansys Semiconductor Autoscaling Cluster
    • 8.10.2. Step 2: Create a Virtual Desktop for Job Submission
    • 8.10.3. Step 3: Connect to the Virtual Desktop and Launch Workers
  • 8.11. Ansys Speos Configurations
    • 8.11.1. Ansys Speos Virtual Desktop
    • 8.11.2. Ansys Speos Autoscaling Cluster Workflow
      • 8.11.2.1. Step 1: Create an Ansys Speos Autoscaling Cluster
      • 8.11.2.2. Step 2: Configure SpeosCore and Batch Scripts
      • 8.11.2.3. Step 3: Submit a Job to the Speos Autoscaling Cluster
  • 8.12. Ansys Systems Tool Kit (STK) Virtual Desktop
  • 8.13. Ansys Workbench LS-DYNA Configurations
    • 8.13.1. Ansys Workbench LS-DYNA Autoscaling Cluster Workflow via HPC Platform Services
      • 8.13.1.1. Step 1: Create an Ansys Structures Autoscaling Cluster
      • 8.13.1.2. (Optional) Step 2: Create a Virtual Desktop for Workbench LS-DYNA Job Submission
      • 8.13.1.3. Step 3: Submit a Workbench LS-DYNA Job to the Ansys Structures Autoscaling Cluster
        • 8.13.1.3.1. Submit a Workbench LS-DYNA Job to HPC Platform Services from Mechanical
        • 8.13.1.3.2. Submit a Workbench LS-DYNA Job Using the HPC Manager Web App
  • 8.14. Ansys Zemax OpticStudio Virtual Desktop
• 9. Ansys HPC Platform Services
  • 9.1. Overview of Ansys HPC Platform Services
  • 9.2. Integrating Ansys HPC Platform Services with Autoscaling Clusters
  • 9.3. Do I Need a Docker Account to Install HPC Platform Services?
  • 9.4. Changing the Default Credentials for Accessing Ansys HPC Manager
  • 9.5. Specifying a Default Queue for an Autoscaling Cluster (HPS Workflows)
  • 9.6. Specifying Default Queues for Cluster Applications (HPS Workflows)
  • 9.7. Submitting Jobs to Ansys HPC Platform Services
  • 9.8. Launching the Ansys HPC Manager Web App
  • 9.9. Selecting a Queue when Submitting a Job to Ansys HPC Platform Services
  • 9.10. Downloading Result Files from Ansys HPC Manager
• 10. Best Practices for Managing Costs
  • 10.1. Best Practices for Project Spaces
  • 10.2. Best Practices for Resources
  • 10.3. Best Practices for Tenant Administrators