HyperWorks

2022.1

Home
Multibody Modeling
MotionView is a general pre-processor for Multibody Dynamics.
MotionView Ribbons
The MotionView ribbons allows you to quickly access tools and standard functions, and is located along the top of MotionView.
Model
Create and edit various model entities.
Joints
Use the Joints tool to create and edit basic joints.
Edit Joints

What's New
Get Started
Video Tutorials
Startup Procedures and Customizations
Manage Files and Data
Sessions and Report Templates
Interface with External Products
Entities and Solver Interfaces
Browsers
Sketching
Geometry
FE Geometry
Meshing
Elements
Model Build and Assembly
Composites
Connectors
Morph
Skeleton Modeling
Design Space
Design Explorer
Validate
Axisymmetry
Concept Modeling
Crash and Safety
Airbag Solutions
Aerospace
Aeroelasticity
Certification
Squeak and Rattle Director
Panels
Results Data
Plot Data
Multibody Modeling
Media Files
Tabulate Results
Text Files
Publishing and Reporting

Index

2022.1

HyperWorks

What's New
View new features for HyperWorks 2022.1.
Get Started
Learn the basics and discover the workspace.
Video Tutorials
Discover HyperWorks functionality with interactive tutorials.
Startup Procedures and Customizations
Start HyperWorks and configure the applications.
Manage Files and Data
Create, open, import, and save models.
Sessions and Report Templates
Set up sessions and create report templates.
Interface with External Products
Solver interfaces supported in HyperWorks.
Entities and Solver Interfaces
A solver interface is made up of a template and a FE-input reader.
Browsers
Browsers supply a great deal of view-related functionality by listing the parts of a model in a tabular and/or tree-based format, and providing controls inside the table that allow you to alter the display of model parts.
Sketching
Create and edit 2D parametric sketch geometry.
Geometry
Create, edit, and cleanup geometry.
FE Geometry
FE geometry is topology on top of mesh, meaning CAD and mesh exist as a single entity. The purpose of FE geometry is to add vertices, edges, surfaces, and solids on FE models which have no CAD geometry.
Meshing
Different types of mesh you can create in HyperWorks.
Elements
Create and edit 0D, 1D, 2D, and 3D elements.
Model Build and Assembly
Create, organize and manage parts and subsystems.
Composites
HyperMesh composites modeling.
Connectors
Create connections between parts of your model.
Morph
Rapidly change the shape of the FE mesh without severely sacrificing the mesh quality.
Skeleton Modeling
Create a reduced ordered model to facilitate optimization at the concept phase.
Design Space
Workflow to support topology optimization model build and setup.
Design Explorer
Multi-disciplinary design exploration and optimization tools.
Validate
Validate the model built before running solver analysis.
Axisymmetry
Reduce a full 3D model with axisymmetric surfaces while accounting for imperfections.
Concept Modeling
Tools and workflows that are dedicated to rapidly creating new parts for specific use cases, or amending existing parts. The current capabilities are focused on stiffening parts.
Crash and Safety
Tools used for crash and safety analysis.
Airbag Solutions
Airbag solutions offer airbag folder utilities and exports a resulting airbag in a Radioss deck.
Aerospace
Essential utility tools developed using HyperWorks-Tcl.
Aeroelasticity
Import an aeroelastic finite element model with Nastran Bulk Data format.
Certification
Framework to plug certification methods to assess margin of safety from the model and result information.
Squeak and Rattle Director
Create evaluation lines, evaluate them, and optimize the interfaces to eliminate squeak and rattle issues.
Panels
Panels contains pre-processing and post-processing tools.
Results Data
Results data can be post-processed using both HyperMesh and HyperView.
Plot Data
HyperGraph is a data analysis and plotting tool with interfaces to many file formats.
Multibody Modeling
MotionView is a general pre-processor for Multibody Dynamics.
- MotionView Overview
  MotionView is a general pre-processor for Multi-body Dynamics.
- Model Browser
  The Model Browser allows you to view the MotionView model structure while providing display and editing control of entities.
- MotionView Ribbons
  The MotionView ribbons allows you to quickly access tools and standard functions, and is located along the top of MotionView.
  - Assembly
    Create and edit systems, assemblies, and analyses, use wizards to build models quickly, create and edit belt/pullies, NLFE stabars, and NLFE springs, access the EDEM and Track Builder tools.
  - Geometry
    Create and edit points, bodies, lines (curve graphics), solids (graphics), markers and vectors, edit grounded/ungrounded bodies, create and edit rigid body groups, configure gravity, and select material properties.
  - Model
    Create and edit various model entities.
    - Joints
      Use the Joints tool to create and edit basic joints.
      - Create Joints
      - Edit Joints
        
        AtPoint
        An AtPoint joint is a three degree-of-freedom kinematic pair used in mechanisms. This joint is identical to the ball joint. AtPoint joints provide three-axis rotation function.
        
        Ball
        A ball joint (also known as a spherical joint; socket joint) is a three degree-of-freedom kinematic pair used in mechanisms. Ball joints provide three-axis rotation function used in many places, such as steering racks to knuckles via tie-rods and knuckle-to-control arm joints.
        
        Constant Velocity
        A constant velocity joint is a two degree-of-freedom constraint. It constrains the rotation of a body (Body 1) about a specified axis to be equal to the rotation of the other body (Body 2) connected by the joint. The axis of rotation is the Z axes of the markers defined on the connecting user-defined bodies. Constant velocity joints are widely used in drive shafts of vehicles with independent suspension.
        
        Cylindrical
        A cylindrical joint is a two degree-of-freedom kinematic pair used in mechanisms. Cylindrical joints provide one translation and one rotation function. They are commonly used in many places, such as shock absorber tubes and rods and hydraulic cylinder/rod pairs.
        
        Fixed
        A fixed joint is a zero degree-of-freedom constraint. It applies a rigid connection between the connecting bodies, meaning bodies connected by a fixed joint are forced to move together. Fixed joints can be used to simulate connections where relative displacements are idealized to zero, such as bolted connections, welded connections, and bodies that are fixed in motion and orientation with respect to another body.
        
        Inline
        An inline joint is a four degree-of-freedom primitive constraint. The constraint is imposed such that the origin of a reference marker on one body (Body 2) translates along the Z axis of a reference marker on the other body (Body 1) connected by the joint. Three rotations are free along with one translation along the Z marker defining the joint orientation. Joint primitives like inline joints may not have a physical existence. They can be used to impose unique constraints where using a regular joint would not be possible.
        
        Inplane
        An inplane joint is a five degree-of-freedom primitive constraint. It constrains one body (Body 1) to remain in a plane (XY plane) defined on the other body (Body 2) connected by the joint. Three rotations are free along with two translations. The only degree of freedom being arrested is the 'away' motion of Body 1 from Body 2. Joint primitives like inplane joints may not have a physical existence. These joints can be used in applications like imposing geometric constraints.
        
        Orientation
        An orientation joint is a three degree-of-freedom kinematic pair. The joint constrains the three rotational degrees of freedom while all three translations are free. Effectively, the orientations of the two bodies connected by the joint remain the same.
        
        Parallel Axes
        A parallel axes joint is a four degree-of-freedom primitive constraint. The constraint is imposed such that the Z axis of a reference marker on one body (Body 2) remains parallel to the Z axis of a reference marker on the other body (Body 1) connected by the joint. All three of the translations are free along with one rotation about the Z axis of the marker defining the joint orientation. Joint primitives like parallel axes joints may not have a physical existence. Parallel axes joints can be used to impose unique constraints where using a regular joint would not be possible.
        
        Perpendicular Axes
        A perpendicular axes joint is a five degree-of-freedom primitive constraint. The constraint is imposed such that the Z axis of a reference marker on one body (Body 2) remains perpendicular to the Z axis of a reference marker on the other body (Body 1) connected by the joint. All three translations are free along with two rotations about the Z axis of markers on both of the bodies defining the joint orientation. Joint primitives like perpendicular axes joints may not have a physical existence. These types of joints can be used to impose unique constraints where using a regular joint would not be possible.
        
        Planar
        A planar joint is a three degree-of-freedom constraint. It constrains a plane on one body (Body 1) to remain in a plane defined on the other body (Body 2) connected by the joint. The planes are defined by the X and Y axes of the markers defining the joint. Body 1 can rotate about Z axis and translate along the X and Y axes of the marker which is used to define the constraint.
        
        Revolute
        A revolute joint (also known as a pin joint or a hinge joint) is a one degree-of-freedom kinematic pair used in mechanisms. Revolute joints provide single-axis rotation function in places such as door hinges and folding mechanisms.
        
        Screw
        A screw joint is a five degree-of-freedom kinematic pair used in mechanisms. Screw joints imposes a relation between the rotation of one body (Body 1) about an axis to the translation of the other body (Body 2) along an axis. The pitch of the joint completes this relation. One full rotation of Body 1 translates Body 2 by a distance equal to the pitch. Screw joints are commonly used in applications such as bolt and nut constraints and rack and pinion steering.
        
        Translational
        A translational joint is a one degree-of-freedom kinematic pair used in mechanisms. Translational joints provide single-axis rotation function in places such as splined shafts and slider mechanisms.
        
        Universal
        A universal joint is a two degree-of-freedom kinematic pair used in mechanisms. It is functionally identical to, and also referred to as a Hooke joint. The only difference between these two joints is the way that the joint is defined. Universal joints provide two rotational functions in applications such as propeller shafts, drive shafts, and steering columns.
      - Edit Compliant Joints or Bushings
        The Trans Stiffness and Rot Stiffness tabs allow you to define the stiffness properties of a compliant joint or a bushing. Stiffness can be linear or non-linear.
      - Edit User-Defined Joints
        The User-defined properties checkbox allow you to define non-linear stiffness and damping properties from a specific DLL file.
    - Motions
      Use the Motions tool to create motions and to edit the initial conditions, displacements, velocities, and acceleration of joints.
    - Couplers
      A Coupler entity defines an algebraic relationship between the degrees of freedom of two or three joints.
    - Gears
      Use the Gears tool to create a gear entity to relate the motion of two joints.
    - Advanced Joints
      Use the Advanced Joints tool to create and edit a set of special constraints called higher pair joints. Typically, these are constraints that involve a curve or surface on at least one of the two bodies.
    - Spring Dampers
      Use the Spring Dampers tool to edit the connectivity, properties, and initial conditions of springs and dampers.
    - Bushings
      Use the Bushings tool to create bushings and edit their connectivity, properties, and orientation rules.
    - Beams
      Use the Beams to create beams and edit their connectivity, properties, and orientations.
    - Polybeams
      Use the PolyBeams tool to create polybeams and edit their points and properties.
    - Forces
      Use the Forces tool to create forces and to edit the orientation and properties of forces.
    - Contacts
      Use the Contacts tool to specify the attributes of a contact force between two bodies.
    - Contact Properties Editor
      The Contact Properties Editor macro enables you to edit multiple contact force entities in a model simultaneously.
    - General Constraints
      Use the General Constraints tool to create a generic expression based constraint.
    - Fields
      Use the Fields tool to create a compliant connection between two bodies where stiffness or damping in one direction can be a function of displacement in another direction
    - Modal Forces
      The Modal Forces tool allows you to include a disturbed force on a flexible body that exists in the modal form in the flexible body H3D.
    - Spline2D/Curves
      Use the Spline2D/Curves tool to create and edit curves.
    - Spline3D
      The Spline3D panel allows you to add and edit three dimensional spline data.
    - Solver Variables
      Use the Variables tool to create solver variables that can be used to create an algebraic expression of state variables, as well as other solver variables. This can then be referenced in function expressions throughout the solver input file.
    - Datasets
      Use the DataSets tool to create and edit datasets comprised of object types, such as real, string, boolean, integer, and options.
    - Solver Arrays
      Use the Arrays tool to create solver arrays and set solver array data. Solver array types include X array, Y array, U array, IC array, Plant Input array, and Plant Output array.
    - Solver Strings
      Use the Strings tool to create a solver string and set solver string data. A solver string provides a string that can be accessed within the model, for example, to pass into a user subroutine.
    - Sensors
      Use the Sensors tool to sense an event during simulation and to define a response to that event
    - Control SISOs
      Use the SISOs tool to set control SISO data. This data can be used to add additional states to the mechanical system being modeled.
    - Functional Mockup Unit (FMU)
      Use the FMU tool to add a Functional Mock-up Unit and connect it to a multi-body model.
    - Control State Equations
      Use the State Equations tool to create and set control state equation data.
    - Solver Differential Equations
      Use the Diff Equations tool to set solver differential equations. These equations can be used to add additional states to the mechanical system being modeled.
  - Analyze
    Create and edit outputs, create and edit templates, run the solver, view reports, access the Load Export utility, use the Optimization Wizard, open HyperStudy, utilize many pre-processing and post-processing capabilities with regards to flexible bodies (or flexbodies), run MS/EDEM cosimulation in batch mode, and generate H3D from EDEM.
- MotionView CAD Interfacing
  MotionView supports the importing of several types of CAD and FE formats.
- Flexible Bodies
  MotionView has many pre-processing and post-processing capabilities with regards to flexible bodies, or flexbodies, for multi-body dynamics models.
- Preferences Dialog
  From the Preferences dialog, you can access various MotionView options for your model.
- Vehicle Modeling
  Explore the various vehicle modeling tools.
- Tcl/Tk Reference Guide
  Reference material for the HyperWorks Desktop scripting interface which is a set of Tcl/Tk commands.
- MDL Reference Guide
  Reference materials for the MotionView MDL Language, Tire Modeling, and the MDL Library.
- MotionSolve Reference Guide
  Reference material detailing command statements, model statements, functions and the Subroutine Interface available in MotionSolve.
- Templex and Math Reference Guide
  Reference material for Templex (a general purpose text and numeric processor) and additional mathematical functions and operators.
- MotionView Python Reference Guide
  Reference materials for the MotionView Python Language.
Media Files
MediaView plays video files, displays static images, tracks objects, and measures distances.
Tabulate Results
TableView creates an Excel-like spreadsheet in HyperWorks.
Text Files
TextView math scripts reference vector data from HyperGraph windows to automate data processing and data summary.
Publishing and Reporting
Create, define, and export reports.

View All Altair Simulation Help

HyperWorks

2022.1

Home
Multibody Modeling
MotionView is a general pre-processor for Multibody Dynamics.
MotionView Ribbons
The MotionView ribbons allows you to quickly access tools and standard functions, and is located along the top of MotionView.
Model
Create and edit various model entities.
Joints
Use the Joints tool to create and edit basic joints.
Edit Joints

What's New
Get Started
Video Tutorials
Startup Procedures and Customizations
Manage Files and Data
Sessions and Report Templates
Interface with External Products
Entities and Solver Interfaces
Browsers
Sketching
Geometry
FE Geometry
Meshing
Elements
Model Build and Assembly
Composites
Connectors
Morph
Skeleton Modeling
Design Space
Design Explorer
Validate
Axisymmetry
Concept Modeling
Crash and Safety
Airbag Solutions
Aerospace
Aeroelasticity
Certification
Squeak and Rattle Director
Panels
Results Data
Plot Data
Multibody Modeling
Media Files
Tabulate Results
Text Files
Publishing and Reporting

Index

Edit Joints

AtPoint
An AtPoint joint is a three degree-of-freedom kinematic pair used in mechanisms. This joint is identical to the ball joint. AtPoint joints provide three-axis rotation function.
Ball
A ball joint (also known as a spherical joint; socket joint) is a three degree-of-freedom kinematic pair used in mechanisms. Ball joints provide three-axis rotation function used in many places, such as steering racks to knuckles via tie-rods and knuckle-to-control arm joints.
Constant Velocity
A constant velocity joint is a two degree-of-freedom constraint. It constrains the rotation of a body (Body 1) about a specified axis to be equal to the rotation of the other body (Body 2) connected by the joint. The axis of rotation is the Z axes of the markers defined on the connecting user-defined bodies. Constant velocity joints are widely used in drive shafts of vehicles with independent suspension.
Cylindrical
A cylindrical joint is a two degree-of-freedom kinematic pair used in mechanisms. Cylindrical joints provide one translation and one rotation function. They are commonly used in many places, such as shock absorber tubes and rods and hydraulic cylinder/rod pairs.
Fixed
A fixed joint is a zero degree-of-freedom constraint. It applies a rigid connection between the connecting bodies, meaning bodies connected by a fixed joint are forced to move together. Fixed joints can be used to simulate connections where relative displacements are idealized to zero, such as bolted connections, welded connections, and bodies that are fixed in motion and orientation with respect to another body.
Inline
An inline joint is a four degree-of-freedom primitive constraint. The constraint is imposed such that the origin of a reference marker on one body (Body 2) translates along the Z axis of a reference marker on the other body (Body 1) connected by the joint. Three rotations are free along with one translation along the Z marker defining the joint orientation. Joint primitives like inline joints may not have a physical existence. They can be used to impose unique constraints where using a regular joint would not be possible.
Inplane
An inplane joint is a five degree-of-freedom primitive constraint. It constrains one body (Body 1) to remain in a plane (XY plane) defined on the other body (Body 2) connected by the joint. Three rotations are free along with two translations. The only degree of freedom being arrested is the 'away' motion of Body 1 from Body 2. Joint primitives like inplane joints may not have a physical existence. These joints can be used in applications like imposing geometric constraints.
Orientation
An orientation joint is a three degree-of-freedom kinematic pair. The joint constrains the three rotational degrees of freedom while all three translations are free. Effectively, the orientations of the two bodies connected by the joint remain the same.
Parallel Axes
A parallel axes joint is a four degree-of-freedom primitive constraint. The constraint is imposed such that the Z axis of a reference marker on one body (Body 2) remains parallel to the Z axis of a reference marker on the other body (Body 1) connected by the joint. All three of the translations are free along with one rotation about the Z axis of the marker defining the joint orientation. Joint primitives like parallel axes joints may not have a physical existence. Parallel axes joints can be used to impose unique constraints where using a regular joint would not be possible.
Perpendicular Axes
A perpendicular axes joint is a five degree-of-freedom primitive constraint. The constraint is imposed such that the Z axis of a reference marker on one body (Body 2) remains perpendicular to the Z axis of a reference marker on the other body (Body 1) connected by the joint. All three translations are free along with two rotations about the Z axis of markers on both of the bodies defining the joint orientation. Joint primitives like perpendicular axes joints may not have a physical existence. These types of joints can be used to impose unique constraints where using a regular joint would not be possible.
Planar
A planar joint is a three degree-of-freedom constraint. It constrains a plane on one body (Body 1) to remain in a plane defined on the other body (Body 2) connected by the joint. The planes are defined by the X and Y axes of the markers defining the joint. Body 1 can rotate about Z axis and translate along the X and Y axes of the marker which is used to define the constraint.
Revolute
A revolute joint (also known as a pin joint or a hinge joint) is a one degree-of-freedom kinematic pair used in mechanisms. Revolute joints provide single-axis rotation function in places such as door hinges and folding mechanisms.
Screw
A screw joint is a five degree-of-freedom kinematic pair used in mechanisms. Screw joints imposes a relation between the rotation of one body (Body 1) about an axis to the translation of the other body (Body 2) along an axis. The pitch of the joint completes this relation. One full rotation of Body 1 translates Body 2 by a distance equal to the pitch. Screw joints are commonly used in applications such as bolt and nut constraints and rack and pinion steering.
Translational
A translational joint is a one degree-of-freedom kinematic pair used in mechanisms. Translational joints provide single-axis rotation function in places such as splined shafts and slider mechanisms.
Universal
A universal joint is a two degree-of-freedom kinematic pair used in mechanisms. It is functionally identical to, and also referred to as a Hooke joint. The only difference between these two joints is the way that the joint is defined. Universal joints provide two rotational functions in applications such as propeller shafts, drive shafts, and steering columns.

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