RADIOSS

Developer(s)| Altair Engineering, open source
Operating system| Linux and Microsoft Windows
Type| FEM software
License| proprietary (Altair Radioss), proprietary (OpenRadioss)
Website| www.altair.com/radioss/ www.openradioss.org

Altair Radioss is a multidisciplinary finite element solver developed by Altair Engineering.[1] It includes implicit and explicit time integration schemes for the solution of engineering problems, from [[linear] statics and linear dynamics to non-linear transient dynamics and mechanical systems. The multidisciplinary solver has its main strengths in durability, NVH, crash, safety, manufacturability, and fluid-structure interaction.

Since the 2021 release, Radioss has supported input in the LS-DYNA input format as well as the Radioss 'Block' Format [2]

OpenRadioss, a source available software version of Radioss, sharing the capabilities, input and output formats of Altair Radioss, was released on September the 8th 2022. Despite being called open source software,[3] the software cannot be compiled or used without a library that is provided only in binary form, and for which third parties are granted "limited permission to use".

## Disciplines

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* Linear static analysis
* Non-linear explicit dynamic analysis
* Non-linear implicit quasi-static analysis
* Normal modes analysis for real and complex eigenvalues
* Linear buckling analysis
* Frequency response analysis
* Random response analysis
* Linear transient response analysis
* Linear coupled fluid-structure (acoustic) analysis
* Linear steady-state heat transfer analysis coupled with static analysis
* Explicit Arbitrary Eulerian-Lagrangian (ALE) formulation
* Explicit Computational Fluid Dynamics (CFD)
* Smoothed-particle hydrodynamics (SPH)
* One-step (inverse) and incremental sheet metal stamping analysis

## References

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1. ^ "Altair Radioss".
2. ^ "LS-DYNA input format keywords accepted in Radioss".
3. ^ "Press Release announcing launch of OpenRadioss".

## External links

[edit]

* Altair Radioss webpage
* Altair Radioss User Documentation
* OpenRadioss webpage