From On-Prem Towers to AWS GovCloud: An Ansys HPC Migration

A leading aerospace and space technology organization sought to modernize its engineering simulation environment by migrating from a traditional on-premises tower-based HPC infrastructure running Ansys workloads to a secure, scalable cloud-native platform.

The organization relied on high-performance simulation applications including:

  • Ansys Thermal Dynamics
  • Ansys Premium SIwave Plus
  • Ansys CFD (Computational Fluid Dynamics)
  • Ansys Mechanical Enterprise

To improve scalability, reduce infrastructure constraints, accelerate simulation turnaround times, and support stringent government compliance requirements, RelevanceLab designed and implemented a secure AWS Research and Engineering Studio (RES) environment within AWS GovCloud.

The solution enabled engineers to seamlessly access cloud-based virtual workstations, elastically scale HPC resources on demand, and continue leveraging existing engineering workflows without disrupting ongoing research and development programs.

Case Study · PDF

Technical Deployment Blueprint

Inside a secure, GovCloud-compliant engineering platform: RES architecture, elastic HPC provisioning, Ansys integration, identity federation, and the full implementation methodology.

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Customer Challenges

The customer's existing engineering environment faced several operational and technical limitations:

Infrastructure Constraints
  • Fixed-capacity on-premises tower systems
  • Lengthy procurement cycles for additional compute capacity
  • Limited ability to support peak simulation demand
Engg. Productivity Challenges
  • Long wait times for simulation execution
  • Resource contention among engineering teams
  • Manual provisioning of compute resources
Application Requirements
  • Thermal analysis
  • Electromagnetic simulation (SIwave)
  • CFD simulations
  • Structural and mechanical analysis
Security & Compliance Needs
  • Government-regulated workloads
  • Secure access controls
  • Controlled engineering environments
  • Auditable user management processes

Solution

Relevance Lab implemented a private deployment of AWS Research & Engineering Studio (RES) in AWS GovCloud, integrated with enterprise identity services and high-performance storage.

The solution provided:

  • Cloud-hosted engineering workstations
  • Elastic HPC clusters powered by AWS Parallel Computing Service (PCS)
  • Centralized identity and access management
  • Integrated Ansys license management
  • Shared high-performance storage using Amazon FSx for NetApp ONTAP
  • Automated user onboarding and desktop provisioning
  • Secure remote access through VPN and controlled network boundaries

Target Architecture

The engineering environment was built around AWS Research & Engineering Studio, providing engineers with virtual desktops connected to scalable HPC resources and shared storage.

Key Capabilities

  • Linux and Windows engineering desktops
  • Pre-installed engineering applications
  • Shared engineering datasets
  • Integration with Active Directory
  • Elastic HPC cluster provisioning
  • License server integration
  • Automated AMI management pipelines

Private AWS GovCloud Deployment Architecture

The production implementation was deployed in AWS GovCloud using a private architecture model. The deployment included:

Identity & Access Management

  • Microsoft Entra ID integration
  • SCIM-based user synchronization
  • AWS IAM Identity Center
  • AWS Managed Active Directory

Secure Connectivity

  • AWS Client VPN
  • Transit Gateway architecture
  • Private subnets for engineering resources
  • Controlled ingress and egress

Engineering Services

  • RES virtual desktops
  • Cluster manager services
  • Engineering workload orchestration
  • AWS Parallel Computing Service (PCS)

Shared Storage

  • Amazon FSx for NetApp ONTAP
  • Amazon S3 integration
  • Persistent engineering datasets

Relevance Lab Implementation Approach

01

Environment Assessment

  • Reviewed existing tower-based engineering infrastructure
  • Analyzed application dependencies
  • Assessed Ansys licensing requirements
  • Identified performance and storage requirements
02

AWS GovCloud Foundation

  • Designed secure network architecture
  • Implemented private connectivity model
  • Established identity federation and governance controls
03

RES Deployment

  • Deployed AWS Research & Engineering Studio
  • Configured engineer virtual desktop environments
  • Integrated enterprise authentication
04

Engineering Application Migration

  • Ansys Thermal Dynamics
  • Ansys Premium SIwave Plus
  • Ansys CFD
  • Ansys Mechanical Enterprise — migrated and validated
05

Storage & Data Migration

  • Migrated engineering datasets
  • Implemented FSx for NetApp ONTAP
  • Established high-performance shared storage architecture
06

User Onboarding Automation

  • Automated account provisioning
  • Automated desktop creation
  • Automated access management workflows
Business Outcomes

Engineering Agility

  • Reviewed existing tower-based engineering infrastructure
  • Analyzed application dependencies
  • Assessed Ansys licensing requirements
  • Identified performance and storage requirements

Scalability

  • Elastic HPC capacity for peak simulation periods
  • Ability to scale compute resources based on project demands
  • Elimination of hardware procurement delays

Improved Resource Utilization

  • Pay-for-use cloud infrastructure
  • Reduced idle compute capacity
  • Optimized workload placement

Enhanced Security

  • GovCloud deployment for regulated workloads
  • Centralized identity management
  • Secure VPN-based access controls
  • Auditable user lifecycle management

Operational Efficiency

  • Automated user onboarding
  • Simplified workstation management
  • Centralized monitoring and operations

Why Relevance Lab

Relevance Lab combines deep expertise across AWS Research & Engineering Studio (RES), GovCloud deployments, engineering simulation platforms, high performance computing (HPC), enterprise identity integration, and infrastructure automation.

Our team delivered a secure, scalable engineering platform that enables engineering teams to innovate faster while maintaining governance, security, and operational excellence.

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Ready to Modernize Your Engineering Environment?

Securely migrate engineering simulation and HPC workloads to AWS with RelevanceLab. Deploy Research & Engineering Studio (RES), scale compute resources on demand, and integrate enterprise identity and access controls—all with expert guidance.

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