Unleashing the Power of OpenRadioss for High-Speed Simulations: Impact, Explosions, and Beyond!

Published by rupole1185 on

In the world of engineering simulation, understanding how materials behave under extreme conditions is crucial. From designing safer vehicles to predicting the effects of explosions, simulating high-speed events like impact and explosions requires specialized tools. Enter OpenRadioss, a powerful and versatile explicit Finite Element Method (FEM) solver, and its ability to deliver accurate and insightful results for these challenging scenarios.

Why Explicit FEM for High-Speed Events?

Traditional implicit FEM solvers are fantastic for static and quasi-static analyses where changes happen gradually. However, when dealing with high-speed events, things get tricky. The rapid changes in momentum, energy, and material behavior demand a different approach. That’s where explicit FEM solvers like OpenRadioss shine.

Here’s why explicit FEM is a game-changer for high-speed simulations:

  • Capturing Dynamic Behavior: Explicit solvers excel at capturing the highly dynamic behavior of materials during impact, explosions, and other high-speed events. They directly integrate the equations of motion at each time step, allowing them to accurately model rapid changes in stress, strain, and deformation.
  • Handling Non-Linearity: High-speed events often involve significant material non-linearity, including plastic deformation, fracture, and even material failure. Explicit solvers are specifically designed to handle these complex non-linearities, providing more realistic and accurate results.
  • Contact and Impact Modeling: Simulating contact between objects at high speeds is a critical aspect of many high-speed event simulations. OpenRadioss incorporates robust contact algorithms that can accurately model the interaction between colliding bodies, including friction, penetration, and separation.
  • Modeling Explosions: Simulating explosions involves complex physics, including detonation waves, high pressures, and rapid expansion of gases. OpenRadioss can model these phenomena using advanced material models and equation-of-state formulations, allowing engineers to predict the effects of explosions on structures and equipment.

OpenRadioss: A Powerful Tool for the Job

OpenRadioss is a leading explicit FEM solver known for its accuracy, robustness, and scalability. It offers a comprehensive suite of features tailored for high-speed event simulations:

  • Advanced Material Models: OpenRadioss supports a wide range of material models, including those specifically designed for high-strain-rate behavior, such as Johnson-Cook, Cowper-Symonds, and Zerilli-Armstrong.
  • Equation of State (EOS) Models: For simulating explosions and other high-energy events, OpenRadioss offers advanced EOS models, such as JWL and ideal gas, to accurately capture the thermodynamic behavior of materials under extreme conditions.
  • Robust Contact Algorithms: OpenRadioss incorporates robust contact algorithms that can handle complex contact scenarios, including self-contact, friction, and erosion.
  • Parallel Processing: OpenRadioss is designed for parallel processing, allowing you to leverage the power of multi-core processors and distributed computing to accelerate your simulations.
  • Open Source Availability: Being an open-source solver means you have access to the source code, allowing for customization and transparency in your simulations.

Scaling Your Simulations with CloudHPC (cloudhpc.cloud)

While OpenRadioss offers excellent parallel processing capabilities, simulating complex high-speed events can still be computationally demanding. That’s where CloudHPC (cloudhpc.cloud) comes in.

CloudHPC provides a powerful and scalable cloud-based platform for running your OpenRadioss simulations. Here’s how CloudHPC can benefit your work:

  • Unlimited Compute Resources: CloudHPC provides access to a vast pool of compute resources, allowing you to scale your simulations to hundreds or even thousands of cores. This can significantly reduce simulation time and enable you to tackle larger and more complex problems.
  • Optimized Infrastructure: CloudHPC is specifically designed for HPC workloads, with optimized hardware and software configurations for maximum performance.
  • Easy Deployment and Management: CloudHPC simplifies the process of deploying and managing your simulations, with pre-configured environments and intuitive interfaces.
  • Cost-Effective Solution: CloudHPC offers a cost-effective alternative to traditional on-premise HPC systems, with pay-as-you-go pricing and no upfront investment.

Putting it All Together

By combining the power of OpenRadioss with the scalability of CloudHPC, engineers can unlock new possibilities for simulating high-speed events. From designing safer vehicles to predicting the effects of explosions, this powerful combination can provide valuable insights and help engineers make informed decisions.

Ready to experience the power of OpenRadioss on CloudHPC?

  • Visit the OpenRadioss website to learn more about the solver: [Insert OpenRadioss website link here]
  • Explore CloudHPC (cloudhpc.cloud) to discover how you can scale your simulations and accelerate your research.

Unlock the potential of high-speed simulations and drive innovation with OpenRadioss and CloudHPC!


CloudHPC is a HPC provider to run engineering simulations on the cloud. CloudHPC provides from 1 to 224 vCPUs for each process in several configuration of HPC infrastructure - both multi-thread and multi-core. Current software ranges includes several CAE, CFD, FEA, FEM software among which OpenFOAM, FDS, Blender and several others.

New users benefit of a FREE trial of 300 vCPU/Hours to be used on the platform in order to test the platform, all each features and verify if it is suitable for their needs


Categories: OpenRadioss

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