RADIOSS--Structural safety standards

Altair RADIOSS is a leading structural analysis solver developed to solve highly nonlinear problems under dynamic loads. It has scalability, high accuracy and robustness, and includes multi-physics analysis and advanced material analysis (such as composites). RADIOSS has been used by many manufacturers around the world as an important tool for crashworthiness, safety and manufacturability.

Scalability, quality and robustness.

In industry, RADIOSS's advanced multiprocessor solution (hybrid large-scale parallel processing technology) provides perfect scalability for a large number of highly nonlinear structural simulations. Using advanced mass scaling (AMS) and intelligent single-precision calculation options, while ensuring the accuracy of the results at the same time, greatly improving the efficiency of simulation simulation. Advanced Mass Scaling (AMS) provides an advanced and competitive solution for quasi-static, surface contact, composite behavior and non-linear implicit nonlinear simulation convergence in fracture modeling.

RADIOSS multi-domain solution technology enables detailed and accurate simulation analysis without reducing the overall time step or increasing overall simulation time. Especially for parallel computing in the use of different computer cores, nodes or the number of threads to ensure that the results of the complete repeatability.

Collision, occupant safety and impact analysis of industry standards

For more than 20 years, RADIOSS has established its leadership position as an industry standard for collision, occupant safety and impact analysis. With more than 900 corporate customers worldwide, 40% of them are in the automotive industry.

RADIOSS five-star collision solver

In the automotive and aerospace sectors, RADIOSS has made a valuable contribution to the study of accidents and impacts in complex environments, as well as predictive design behavior.

RADIOSS can directly use a number of finite element dummy, barrier and collision model, vehicle safety simulation simulation. Working with the world's leading equipment and model suppliers for crash safety testing, we offer the industry's most comprehensive and high-quality tool set.

In addition, Altair HyperCrash provides an excellent modeling environment for collision simulation with RADIOSS.

The most comprehensive material constitutive model and failure criteria

RADIOSS has the most comprehensive material constitutive model and failure criteria, arranged in more than 300 combinations. Provides a comprehensive linear and non-linear material, failure and fracture model for complex model modeling. Related materials and failure criteria, including concrete, foam, rubber, steel, composites, biomaterials and more material model definitions. A variety of failure criteria can be applied to any material. Using the extended finite element method, you can track the expansion of the crack.

Advanced multi-physics simulation

In addition to finite element technology, RADIOSS also has other technologies such as Euler, any Lagrangian-Euler (ALE), Smooth Particle Fluid Dynamics (SPH) and Finite Volume Method (FVM). RADIOSS can also consider a variety of fluids for fluid-solid coupling simulation (FSI). The innovative finite volume method ensures complete simulation of the speed and accuracy of the fluid-solid coupling airbag in vehicle simulation.

Ready for optimization

RADIOSS is integrated in the HyperWorks environment. In addition to modeling and visualization, the RADIOSS model can be used for optimal analysis. Users can easily optimize design and robustness through HyperStudy and OptiStruct products to improve product performance. For successful simulation, RADIOSS's high scalability, high quality and robustness are essential.

High performance computing

With cutting-edge customer base for performance, reliability, security and innovation, the RADIOSS team is committed to providing the latest, state-of-the-art computing architecture support and new technology support for improved product performance, scalability and ease of use. RADIOSS leads the industry to understand the potential of many advanced processors for complex simulation applications and environments.

Features and Functions

Analysis type

Nonlinear Explicit Transient Structural Analysis

Nonlinear Implicit Structure Analysis

Explicit fluid dynamics (CFD)

Euler equation and any Euler-Lagrangian equation (ALE)

Smooth particle hydrodynamics (SPH)

One step (inverse) and incremental sheet metal stamping analysis

RADIOSS applications include collision safety simulation, drop testing, collision, explosion and shock, fluid structure interaction, trajectory analysis, extrusion and composite design.

Unit

Integral and Reduced Integral Unit:

—3 to 8 node thin shell units

—4 to 20 node hexahedral units, tetrahedral solid elements

—rod unit and beam element

Impact beams, rigid bodies, connections, universal springs and dampers

Contact

With a failed sports binding contact

Penalty function method binding contact

ALE / Lagrange contact

Euler / Lagrangian (CEL) contact

Penalty function equation contact library

Material Constitutive and Failure Model

The material structure includes:

—steel, high strength steel, soil, rock, concrete

—Composites and ceramics

—The constitutive of superelastic materials

—Fluid material constitutive

Failure criteria library

—based on energy and plasticity

—User defined

—Johnson Cook, Tuler Butcher, Chang and Chang, Tsai Wu, Puck, Hashin State Equation (EOS)

—JWL, Lee Tarver, Homquist, P-Alpha

Boundary conditions

Various Lagrange Structural Boundary Conditions

Fluid flow conditions (import, export)

Dummy model

Aero HII 50%, Humanetics_Express HIII5% and HIII5%, HIII 5%, 50% 95%

Side Collision Model: ES2 and SID-IIs Family, 5 and 50% WorldSid

After the break dummy model: BIORID IIg

Child Dummy Model: Hybrid, P, Q Family and Crabi 12 months

Pedestrian Collider: head, legs, standing dummy, FlexPli

Human dummy model: Humos2, leg and foot model

Barrier model

Front Barrier: ODB, PDB V8XT TRL_ Full Shell and Solid Modeling

Side barrier: NHTSA, Progress Aemdb, IIHS SUV (Cellbond) Full shell and solid modeling

Posterior Barrier: RCAR and US Rear FMVSS 310 Barrier

—RCAR IIHS low speed collision

—American rear crash barrier FMVSS 310

Support platform

Windows (32-bit and 64-bit)

—XP

—Vista

—Windows 7

Linux (64-bit)

—RedHat, SUSE, SLES

—Intel Xeon Phi

—NVIDIA Fermi C2070 and M2090