AWS HPC Blog

Dnyanesh Digraskar

Author: Dnyanesh Digraskar

Dnyanesh Digraskar is a Principal HPC Partner Solutions Architect at AWS. He leads the HPC implementation strategy with AWS ISV partners to help them build scalable well-architected solutions. He has more than fifteen years of expertise in the areas of CFD, CAE, Numerical Simulations, and HPC. Dnyanesh holds a Master’s degree in Mechanical Engineering from University of Massachusetts, Amherst.

Optimizing HPC workflows with automatically scaling clusters in Ansys Gateway powered by AWS

Ansys Gateway powered by AWS now has an integration with AWS ParallelCluster to enable users deploy on-demand HPC clusters for running Ansys simulations on AWS. This allows engineers to run large-scale simulations efficiently while optimizing cloud costs by dynamically adjusting resources based on simulation workload requirements. In this blog post, we describe the architecture, workflow, and Amazon EC2 recommendations for running Ansys applications in Ansys Gateway.

Figure 1: Comparison of simulation performance for the Le Mans test case run with Open MPI and Intel MPI. Intel MPI offers better performance compared to Open MPI.

Simcenter STAR-CCM+ price-performance on AWS

Organizations such as Amazon Prime Air and Joby Aviation use Simcenter STAR-CCM+ for running CFD simulations on AWS so they can reduce product manufacturing cycles and achieve faster times to market. In this post today, we describe the performance and price analysis of running Computational Fluid Dynamics (CFD) simulations using Siemens SimcenterTM STAR-CCM+TM software on AWS HPC clusters.

Cost-optimization on Spot Instances using checkpoint for Ansys LS-DYNA

A major portion of the costs incurred for running Finite Element Analyses (FEA) workloads on AWS comes from the usage of Amazon EC2 instances. Amazon EC2 Spot Instances offer a cost-effective architectural choice, allowing you to take advantage of unused EC2 capacity for up to a 90% discount compared to On-Demand Instance prices. In this post, we describe how you 0can run fault-tolerant FEA workloads on Spot Instances using Ansys LS-DYNA’s checkpointing and auto-restart utility.

Running finite element analysis using Simcenter Nastran on AWS

This post was written by Dnyanesh Digraskar, Sr. Partner Solutions Architect for HPC at AWS and co-authored by Wei Zhang and Ravi Gupta, Sr Software Engineers for Simcenter Nastran at Siemens. Introduction In this blog, we demonstrate the deployment, performance, and price comparisons of Simcenter Nastran for three finite element analysis (FEA) based use cases […]