Altair Radioss is a multidisciplinary

finite element The finite element method (FEM) is a popular method for numerically solving differential equations arising in engineering and mathematical models, mathematical modeling. Typical problem areas of interest include the traditional fields of struct ...

solver developed by Altair Engineering. It can solve both

linear Linearity is the property of a mathematical relationship ('' function'') that can be graphically represented as a straight line. Linearity is closely related to '' proportionality''. Examples in physics include rectilinear motion, the linear ...

and

non-linear In mathematics and science, a nonlinear system is a system in which the change of the output is not proportional to the change of the input. Nonlinear problems are of interest to engineers, biologists, physicists, mathematicians, and many other ...

problems. It is a finite element solver using implicit and explicit integration schemes for the solution of engineering problems, from linear statics and linear dynamics to nonlinear transient dynamics and mechanical systems. This multidisciplinary solver enables designers to maximize performance related to durability, NVH, crash, safety, manufacturability, and fluid-structure interaction, in order to bring products to market faster. Since the 2021 release, Radioss has supported input in the LS-DYNA input format as well as the Radioss 'Block' Format OpenRadioss, an

open source Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use the source code, design documents, or content of the product. The open-source model is a decentralized sof ...

version of Radioss, sharing the capabilities, input and output formats of Altair Radioss, was released on September the 8th 2022.

Disciplines

* Linear

static analysis Static analysis, static projection, or static scoring is a simplified analysis wherein the effect of an immediate change to a system is calculated without regard to the longer-term response of the system to that change. If the short-term effect i ...

* Non-linear explicit dynamic analysis * Non-linear implicit

quasi-static analysis Quasistatic can refer to: * Quasistatic process * Quasistatic equilibrium * Quasistatic loading In solid mechanics, quasistatic loading refers to loading where inertial effects are negligible. In other words, time and inertial force A fictitious ...

* Normal modes analysis for real and complex eigenvalues * Linear

buckling analysis In structural engineering, buckling is the sudden change in shape ( deformation) of a structural component under load, such as the bowing of a column under compression or the wrinkling of a plate under shear. If a structure is subjected to a g ...

Frequency response In signal processing and electronics, the frequency response of a system is the quantitative measure of the magnitude and phase of the output as a function of input frequency. The frequency response is widely used in the design and analysis of s ...

analysis * Random

response analysis Response Analysis refers to the analysis of mitigation plans for emergency or disaster situations. These emergencies or disasters may be naturally occurring (e.g. hurricanes, earthquakes, disease outbreaks, etc.) or man-made (e.g. terrorism, ...

* Linear transient response analysis *

Linear coupled Linearity is the property of a mathematical relationship ('' function'') that can be graphically represented as a straight line. Linearity is closely related to '' proportionality''. Examples in physics include rectilinear motion, the linear ...

fluid-structure (acoustic) analysis * Linear steady-state heat transfer analysis coupled with static analysis * Explicit

Arbitrary Eulerian-Lagrangian Arbitrariness is the quality of being "determined by chance, whim, or impulse, and not by necessity, reason, or principle". It is also used to refer to a choice made without any specific criterion or restraint. Arbitrary decisions are not necess ...

(ALE) formulation * Explicit Computational Fluid Dynamics (CFD) *

Smoothed-particle hydrodynamics Smoothed-particle hydrodynamics (SPH) is a computational method used for simulating the mechanics of continuum media, such as solid mechanics and fluid flows. It was developed by Gingold and Monaghan and Lucy in 1977, initially for astrophysica ...

(SPH) * One-step (inverse) and incremental sheet metal stamping analysis

References

External links

Altair Radioss webpage

OpenRadioss webpage
{{DEFAULTSORT:RADIOSS Finite element software Simulation software Finite element software for Linux