- Accelerometers
Accelerometer entities measure acceleration in the simulation.
- Ale Fsi Projection
Ale Fsi Projection entities provide a coupling method for simulating the interaction between a Lagrangian material set (structure) and ALE material set (fluid).
- Ale Reference System Curve
Ale Reference System Curve entities defines a motion and/or a deformation prescribed for a geometric entity, where a geometric entity may be any part, part set, node set, or segment set.
- Ale Reference System Group
Ale Reference System Group entities used to associate a geometric entity to a reference system type.
- Ale Reference System Node
Ale Reference System Node entities defines a group of nodes that control the motion of an ALE mesh.
- Ale Reference System Switch
Ale Reference System Switch entities allows for the time-dependent switches between different types of reference systems, that is, switching to multiple PRTYPEs at different times during the simulation.
- Ale Smoothing
Ale Smoothing entities constraint keeps an ALE secondary node at its initial parametric location along a line between two other ALE nodes.
- Ale Tank Test
Ale Tank Test keyword provides curve through an engineering approximation when control volume airbags only require two engineering curves to define gas inflator and those two curves can be experimentally measured but the ALE inflator needs one additional state variable - the inlet gas velocity which is impractical to obtain.
- Analysis
Analysis entities stores settings and entities for composite stress toolbox calculations.
- Attachments
Attachments facilitate the ease of joining subsystems.
- Blocks
Block entities are enclosed volumes represented by a "box" or block.
- Bodies
Body entities define a kinematic assembly made of FE parts or nodes.
- Boxes
Box entities are enclosed volumes, which are represented by a box.
- Charts
Chart entities plot X and Y data in the form of raw values. They also plot tables created in HyperMesh with the Matrix Browser or results data loaded for post-processing.
- Comments
Comments provide a convenient way to add lines of text in the solver deck, which are considered as commented lines by the solver.
- Constrained Extra Nodes
Constrained extra node entities define and store the keywords *CONSTRAINED_EXTRA_NODES_NODE and *CONSTRAINED_EXTRA _NODES_SET.
- Constrained Rigid Bodies
Constrained rigid bodies entities define and store the keyword *CONSTRAINED_RIGID_BODIES.
- Constraints
Constraints define kinematic constraints on a node's degrees of freedom.
- Contact Surfaces
Contact surface entities define and store contact definitions typically used in contact analysis.
- Control Volumes
Control volume entities define and store control volumes typically used in safety analysis.
- Cross Sections
Cross section entities store cross section definitions used in a crash analysis.
- Curves
Curve entities define and store xy data and are associated with a plot entity.
- Damping
In LS-DYNA, damping entities define damping applied on the parts and nodes in case of *DAMPING_GLOBAL. In Radioss, damping entities used to set Rayleigh mass and stiffness damping coefficients are applied to a set of nodes used to stabilize the results.
- Dummy
Dummy entities are defined by bodies representing the different kinematic assemblies of the dummy.
- Element Behaviors
Element behaviors define additional elemental features coupled to the referenced elements, such as Failure, Deletion, and so on.
- Element Clusters
Element clusters are used to describe an assembly of elements for post-processing and failure control.
- Engine Files
- Failures
Failures describe material failure criteria to be coupled to material models.
- Features
Feature entities track and manage certain geometric features.
- Fields
Fields are an incredibly versatile functionality that enable the creation of model entities based on spatially varying input data.
- Frequency
The Frequency entity supports the solver keywords to set up NVH, Durability, or Acoustic analysis.
- Frictions
Frictions entities define friction coefficients between parts.
- Groups
Group entities define and store interfaces and rigid walls typically used in contact analysis.
- Hourglass
Hourglass entities define hourglass and bulk viscosity properties which are referenced via HGID in the *PART command.
- Initial States
This entity is used to define the physical stress and strain initial state in elements like beams, shells, solids, and thick-shells. This entity is supported in the LS-DYNA profile.
- Integration Rules
Integration Rule entities specify user-defined integration points for beam and shell elements.
- Interface Component
Interface Component entities create an interface in interface file for use in subsequent linking calculations.
- Interface Linking
Interface Linking Discrete keyword link node(s) to an interface in an existing interface file.
- Joints
Joint entities define a connection between two rigid bodies. Joint elements reference property and orientation information.
- Laminates
Laminate entities define the list of stacked plies which make up a laminated structure.
- Load Steps
Load step entities define and store load cases for a given analysis.
- Load Step Inputs
Load step inputs organize and manage the IDs of analysis parameter bulk cards.
- Material Behaviors
This entity defines additional material features coupled to the referenced material, like: Failure, Permeability, Porosity, Thermal, Fatigue, Cohesive, Inelasticity, and so on.
- Materials
Material entities define and store material definitions for a model.
- Mechanism Constraints
Mechanism Constraint entities define kinematical constraints on a body at a specified node or point location.
- Mechanisms
Mechanism entities are the root of the hierarchy in the Mechanism Browser.
- Mesh Groups
Mesh Groups, also called Assemblies, are specific to the EXODUS profile.
- Output Blocks
Output block entities define and store solver output requests.
- Parameters
Parameter entities parameterize FE entity and geometric entity attributes.
- Perturbations
Perturbation entities provide a means of defining deviations from the designed structure, such as buckling imperfections. Define the stochastic variation in the material models with the STOCHASTIC keyword option.
- Plies
Ply entities define composite lamina.
- Plots
Plot entities associate and organize curve entities within a xy plot window.
- Positions
Position entities allow you to apply a Transformation sequence on set of nodes or SolverSubmodels.
- Pretensioner
Pretensioner entities define pretensioners.
- Properties
Property entities define and store 1D, 2D, and 3D property definitions for a model.
- RBE3
RBE3's are interpolation constraint elements, where the motion of a dependent node is defined as the weighted average of the motions of a group of independent nodes.
- Reference Geometries
Reference Geometries define the reference shape of foam or airbag components.
- Regions
Region entities store information used to facilitate and automate modeling practices and processes. It enables a selection which can be common across design changes or other models, provided region data is the same.
- Retractors
Retractor entities define retractors.
- Rigids
Rigid elements are created in a space between two nodes of a model where a rigid connection is desired.
- Rigid Bodies
Rigid bodies entities define and store the keywords *RBODY and *RBADD.
- Rigid Walls
Rigid wall entities provide a method for treating a contact between a rigid surface and nodal points of a deformable body. In the LS-DYNA and Radioss user profiles, rigid walls can be created in the Model and Solver browsers.
- Sections
Section entities define and store a model's 1D and 2D properties.
- Sensors
Sensor entities define and store sensors typically used in safety analysis.
- Sequences
- Sets
Set entities define and store lists of entity IDs for entities, sets of sets, or lists of set IDs.
- Slip Rings
Slip ring entities define sliprings.
- Solver Masses
Solver masses are used to model lumped mass finite element mesh.
- State Equations
State Equations are used to describe the thermodynamic equation relating material state variables under a given set of physical conditions, such as pressure, volume, temperature, or internal energy. State Equations are useful in describing the properties of fluids, mixtures of fluids, and so on.
- Tables
Table entities collect data points.
- Tags
Tag entities tag a piece of information, called the body, onto a node, element, line, surface, point, or solid within the model. They can be used to reference an entity across multiple versions of the same model.
- Terminations
Termination entities provides an alternative way to stop the calculation before the termination time is reached.
- Titles
Title entities attach a title box with text to the modeling window, or to a node, element, load, or system.
- Transformations
Transformation entities define solver transformations, and are used to define a transformation sequence in a Position entity, to be applied on a set of nodes or on a SolverSubmodel.
