Welcome
What's New
View new features for Radioss 2024.1.
Overview
Radioss^® is a leading explicit finite element solver for crash and impact simulation.
Tutorials
Discover Radioss functionality with interactive tutorials.
User Guide
This manual provides details on the features, functionality, and simulation methods available in Altair Radioss.
Reference Guide
This manual provides a detailed list of all the input keywords and options available in Radioss.
Example Guide
This manual presents examples solved using Radioss with regard to common problem types.
Verification Problems
This manual presents solved verification models.
- Elements
- Contact
  - RD-V: 0100 Impact Momentum
    A block impacts a plate and the system is compared to theory.
  - RD-V: 0110 Friction
    The contact friction forces are studied and compared to an analytical solution.
  - RD-V: 0120 Edge-to-Edge Contact
    Edge-to-edge contact between beam and shell element under gravity loading with dynamic relaxation.
  - RD-V: 0130 Tied Surface Contact
    Applying a tied surface contact between a plate and a block
- Materials
- Loads
- FSI
- Blast
- Tools
- Failure
Frequently Asked Questions
This section provides quick responses to typical and frequently asked questions regarding Radioss.
Theory Manual
This manual provides detailed information about the theory used in the Altair Radioss Solver.
User Subroutines
This manual describes the interface between Altair Radioss and user subroutines.

Contact