Finite Element Analysis using Radioss

Solution sequences
Nonlinear explicit structures
Nonlinear implicit structures
Explicit transient CFD
Arbitrary Lagrangian Eulerian (ALE)
Smooth Particle Hydrodynamics (SPH)
Elements library
Shell (4-nodes)
Modified Belytshko & Leviathan (QPPS)
Zeng (QEPH)
Batoz (full integrated)
Orthotropic shell
Sandwich shell
Composite shell
Anisotropic layered shell (fabric)
Shell (3-nodes)
C0 triangle
Batoz triangle (Discrete Kirchhoff Triangle)
Sabourin triangle
Truss (TYPE2)
Beam (TYPE3)
Integrated Timoshenko beam (TYPE18)
1 degree of freedom (TYPE4)
General spring (TYPE8)
Pulley type spring (TYPE12)
Beam type spring - spotweld (TYPE13)
Axisymmetric spring (TYPE25)
Tabulated spring type (TYPE26)
Pretensioner spring (TYPE32)
Multi-strand element (TYPE28)
Joint type spring (TYPE33)
Predit spotweld (TYPE36)
Stitch - airbag spring with complex rupture criteria (TYPE35)
Crushable frame spring property (TYPE44)
Joint type spring (TYPE45)
Spring property for modeling of muscles (TYPE46)
Brick (hexa)
Under-integrated with viscous (Belytschko) hourglass formulation
Under-integrated with viscous (Hallquist) hourglass formulation
Under-integrated, co-rotational with physical hourglass formulation (HEPH)
Under-integrated, co-rotational with variable number of Gauss points
Parabolic 20 nodes brick
Thick shell (TYPE16)
Linear tetra
Parabolic tetra
Isotropic elasticity
  • Hook (linear elastic)
  • Tabulated Input for Hyper-elastic
  • Ogden, Mooney-Rivlin (hyper-elastic)
Elasto-plastic isotropic (w/o damage)
  • Johnson-Cook
  • Zerilli-Armstrong
  • Johnson-Cook (yield stress depends on strain rate and temperature)
  • Hydrodynamic viscous (turbulent flow)
  • Gray model
  • Elasto-plastic with damage
  • Elasto-plastic with Johnson-Cook (ductile damage)
  • Elasto-plastic with brittle damage
  • Hill
  • Piecewise linear
  • Hill tabulated
  • Cowper-Symonds
  • Zhao
  • Steinberg-Guinan
  • Gurson, ductile damage for porous materials (with ductile damage)
  • Tabulated quadratic in strain rate
  • Three-Parameter Barlat
  • Tabulated quadratic in strain rate
  • Hansel model
  • Ugine and Alz approach
  • Elastomer
  • Visco-elastic
  • Anisotropic Hill
  • Thermal Hill orthotropic
  • Thermal Hill orthotropic 3D
  • Semi-analytical elasto-plastic
  • Yoshida-Uemori
  • Johnson-Holmquist model
  • High strength steel
  • Swift and voce elasto-plastic law
  • Barlat YLD2000
  • Orthotropic elastic material with Hill plasticity
  • HENSEL-SPITTEL material
  • Elasto-plastic constitutive law using the 6th order Drucker model
  • JCOOK_ALM material for 3D print
  • Temperature and strain rate depended material
  • Predefined material
Hyper- and Visco-elastic material
  • Elasto-plastic foam, closed cells
  • Boltzmann
  • Foam
  • Generalized Kelvin-Voigt
  • Tabulated law
  • Generalized Maxwell-Kelvin
  • Hyper visco-elastic
  • Hyper visco-elastic (tabulated)
  • Isotropic visco-elastic
  • Tabulated Input for Hyper-elastic
  • Ogden, Mooney-Rivlin (hyper-elastic)
  • Tabulated foam
  • Visco-elastic foam with air (tabulated)
  • Hyper-elastic material with strain rate effect
  • Visco-elastic foam (tabulated)
  • Arruda-Boyce hyperelastic material
  • Yeoh hyper-elastic material
  • Bergstrom-Boyce nonlinear visco-elastic material
  • Multi network framework (MNF) material
  • Thermoplastic polymers material
Composite and Fabric materials
  • Fabric
  • Hyperelastic anisotropic Fabric
  • Tsai-Wu formulation composite shell
  • Composite shell with Chang-Chang failure
  • Composite solids
Multi-material Multi-phase/fluid/explosive materials
  • Solid, liquid, gas and explosives
  • Jones-Wilkins Lee model
  • Lee-Tarver material
  • Hydrodynamic viscous fluid
  • K- ε turbulence material
  • Boundary condition material
  • Boundary condition material with turbulence
  • Bi-material for 2D
  • Hydrodynamic Bi-material liquid gas
Concrete and Rock materials
  • Drucker-Prager (rock or concrete)
  • Drucker-Prager for rock or concrete by function
  • Reinforced concrete
  • Drucker-Prager with cap
Honeycomb materials
  • Honeycomb
  • Cosserat
  • Crushable foam
Connection materials
  • Rivets (Predit)
  • Connection material
  • Advanced Connection material
Other materials
  • Void
  • Hook (linear elastic)
  • Purely thermal material
  • SESAM Johnson-Cook
  • Porous material model
  • Superelastic law for shape memory alloy
  • GAS material
  • Analytical pseudo elastic (shape memory alloy)
  • Spring material
  • User(s) material law
Failure Models
Johnson Cook failure criteria
Extended Mohr Coulomb failure
NXT failure criteria
Tuler-Butcher criteria
Wilkins failure criteria
Hashin failure model
Ladeveze Composite failure model
Normal and Tangential failure model
Failure according plastic strain criteria
Ductile Spalling with Johnson-Cook
Puck Composite failure model
Forming Limit Diagram
Maximum Principal Tension Strain
Maximum Internal Energy
Chang Chang failure model
Bao Xue Wierzbicki
Strain failure model
Orthotropics Strain failure model
Stress softening Mullins effect
ALTER glass failure model
Failure Visualization
User failure model
Kinematic Constraints
Rigid bodies
Rigid links
Tied contact
Rigid walls
  • Plane
  • Cylinder
  • Sphere
  • Parallelogram
  • Cylindrical
  • Rotational gear
  • Differential gear
  • Rack and Pinion
Start time
Nodal distance
Activation with sensor IS1, deactivation with sensor IS2
ON as long as sensors IS1 AND IS2 are ON
ON as long as sensors IS1 OR IS2 are ON
Interface activation and deactivation
Rigid wall activation and deactivation
ON as long as IS1 is OFF
Pressure gauge
Rigid body
Section force
User's sensor
Skew Frames
Contact (Interfaces)
Node to surface
Surface to surface
Node to brick
Surface to brick
Edge to edge
Tied/Void contact
Drawbeads lines
Hyper-ellipsoids to nodes
Hyper-ellipsoids to elements
Rigid to rigid contact
Penalty formulation
Soft penalty formulation
Lagrange multipliers formulation
Monitor Volume
Uniform pressure method
Finite volume method
Radioss Optimization
Free-Shape Optimization
Free-Size Optimization
Design Optimization
Topography Optimization
Topology Optimization
Multi-Domain multiple input file
Multi-Domain single input file
Flexible Bodies
External Modes Files
Dynamic Relaxation
Damping Options
Units System
Initial State Input


HyperMesh, HyperCrash
Block Format inputs


Direct output of H3D format for model and results
Processing of A file
Time history for transient events
Complex frequency response displacement, velocity, and acceleration plots for up to 500 nodes
Random response PSD and auto/cross correlation of displacement, velocity, and acceleration
Transient response displacement, velocity, and acceleration time history plots for up to 500 nodes
Bar chart for effective mass
HTML report
Model summary
Model and result displayed using HyperView Player