Features

Functionality

• Explicit Time Integration
  - Nonlinear Dynamics
  - Nonlinear Quasi-static
• Implicit Analysis
  - Linear and Nonlinear Static
  - Transient Dynamic
  - Implicit Springback
  - Eigenvalue Analysis
• Thermal Analysis
  - Steady State and Transient
  - Thermal-Mechanical Coupling
• Fluid Analysis
  - Eulerian Capabilities
  - Arbitrary Lagrangian-Eulerian (ALE)
  - Fluid-Structure Interactions (FSI)
• Meshfree Methods
  - Smooth Particle Hydrodynamics (SPH)
  - Element-Free Galerkin (EFG)
• Adaptive Remeshing
• Failure Analysis
• Rigid Body Dynamics
• Coupling to MADYMO, CAL3D
• Underwater Shock Analysis (USA Coupling)
• Design Optimization (LS-OPT)
• Extensive Restart Capabilities
• Parallelization and Vectorization
  - Fully Vectorized
  - Shared Memory Parallel (SMP)
  - Distributed Memory Parallel (MPP)
• Keyword Input
• User Programmable Features

Elements

• Shells and Membranes
  - Reduced Integrated for very Fast and Robust Simulations
  - Fully Integrated for most DetailedInvestigations
  - Thin and Thick Shells
  - Composite Shell for Laminates and Sandwiches Solids
  - Reduced Integrated for very Fast and Robust Simulations
  - Fully Integrated for most Detailed Investigations
  - Lagrangerian, Eulerian, ALE, and EFG
  - Linear Hexahedron, Quadratic Tetrahedron 2-D Solids and Shells
  - Reduced Integrated for Fast and very Robust Simulations
  - Fully Integrated for most Detailed Investigations
• Beams, Trusses, Cables
  - Arbitrary Cross Section Integration or Resultant Formulation
• Discrete Elements
  - Springs/Dampers
  - Lumped Inertias
  - Seat Belts, Slip Rings, Retractors, Pretensioners
• Weld Modelling
  - Mesh Independent Spotwelds with Failure
  - Fillet and Butt Welds with Failure

Materials

More than 150 Materials Models are available for:

• Metals with Plasticity and Damage
• Plastics and Elastomers
• Foams and Honeycombs
• Fabrics
• Glass
• Composites
• Geological
• High Explosives and Propellants
• Viscous Fluids
• Biomechanical Tissues
• User-defined Materials
• Equation of States

Contact Definition

• Powerful, Efficient and Robust Contact Definitions
• Penalty Formulation for Complex “over all” Contact
• Constraint Formulation for most Accurate Solution
• Flexible and Rigid Body in Arbitrary Combination
• Edge-to-edge and Beam-to-beam Contact
• Contact for Eroding Surfaces
• Tied Surfaces with Failure
• CAD and Analytical Surfaces
• Rigid Walls and Rigid Road Surfaces
• Friction Models (Velocity and Pressure Dependent, User-defined)

Rigid Body Dynamics

• Extensive Joint Definitions (Cylindrical, Planar, Cylindrical, Universal)
• Implicit Multi-Body Dynamics
• Deformable-to-Rigid Switchingand vice versa