HyperWorks 2020.1 Help

2020.1

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HyperWorks Tools
Administrative tools to customize your HyperWorks installation.
Model Identification Tool
The Model Identification Tool, known as HyperWorks, is a profile in HyperGraph for fitting test data from frequency- and amplitude-dependent bushings to analytical models. The HyperWorks operates in conjunction with HyperGraph, MotionView and MotionSolve to provide you with a comprehensive solution for modeling and analysis.
Use the Altair Bushing Model with MotionView
This section provides information about using the Altair Bushing Model, also known as AutoBushFD, with MotionView. The Altair Bushing Model is a sophisticated model that you can use to simulate the behavior of bushings in vehicle dynamics, durability and NVH simulations.
Define the Bushing's Properties
The Properties window includes five tabs that you can use to define the properties of your bushing.

What's New
Altair HyperWorks Introduction
Tutorials
HyperWorks Tools

2020.1

HyperWorks 2020.1 Help

What's New
View new features for HyperWorks 2020.1.
Altair HyperWorks Introduction
Quick introduction to Altair HyperWorks and its suite of products.
Tutorials
Discover HyperWorks functionality with interactive tutorials.
HyperWorks Tools
Administrative tools to customize your HyperWorks installation.
- Altair License Utility
  The Altair License Utility is a tool allowing you to determine a host ID, check license usage, borrow licenses, and set up hosted HyperWorks Units.
- AbaqusODB Upgrade
  AbaqusODB UpGrade is a HyperView tool, which upgrades ODB files created in Abaqus 6.2 (or earlier) to Abaqus 2020.
- HvTrans
  HvTrans is a result translator for HyperView that translates solver result files to H3D files.
- HyperWorks GUI Toolkit
  The Altair GUI Toolkit is a resource tool for coding Tcl/Tk dialogs. It contains documentation of the HyperWorks commands, demo pages that illustrate our Altair GUI standards, and sample code for creating those examples.
- Model Identification Tool
  The Model Identification Tool, known as HyperWorks, is a profile in HyperGraph for fitting test data from frequency- and amplitude-dependent bushings to analytical models. The HyperWorks operates in conjunction with HyperGraph, MotionView and MotionSolve to provide you with a comprehensive solution for modeling and analysis.
  - MIT and the Fitting Process
  - Start MIT
    This section explains how to start the HyperWorks interactively and in batch mode.
  - Use MIT
    This section explains how to use the features in the HyperWorks .
  - Appendix I: SPD File Format Specification
  - Altair Bushing Model
    The Altair Bushing Model is a library of sophisticated, frequency- and amplitude-dependent bushing models that you can use for accurate vehicle dynamics, durability and NVH simulations. The Altair Bushing Model supports both rubber bushings and hydromounts.
  - Use the Altair Bushing Model with MotionView
    This section provides information about using the Altair Bushing Model, also known as AutoBushFD, with MotionView. The Altair Bushing Model is a sophisticated model that you can use to simulate the behavior of bushings in vehicle dynamics, durability and NVH simulations.
    - General Bushing System Files
      The Model Identification Tool (HyperWorks) is a utility in HyperGraph that you use to fit experimental data to various bushing models. The HyperWorks generates a General Bushing System file, .gbs file, which defines the bushing properties.
    - Add an Altair Bushing Model
      You can add an Altair Bushing Model, also known as AutoBushFD, a frequency-dependent bushing, to your MotionView model using the Add Auto Entity tool in MotionView.
    - Attach a Bushing to the Model
      This section describes how you attach a bushing to a model.
    - Define the Bushing's Properties
      The Properties window includes five tabs that you can use to define the properties of your bushing.
      - Define the Property File
      - Define Preload, Offset and Scale
      - Define the Friction
        The friction torque resists rotation of the bodies relative to one another. The friction model supports stiction and sliding effects as well as a measured friction torque due to preload in the bushing.
      - Define the Mount Stiffness
        Use Mount Stiffness when you want to approximate the structural deflection of the bodies that the bushing connects due to the load that the bushing carries. Mount stiffness is modeled as a set of linear springs and dampers in series with the bushing stiffness and damping, thus softening the connection between the bodies. Alternatively, you can use flexible bodies to model the bodies the bushing connects.
      - Define the Mount Limits
        You can activate Mount Limits to simulate material contact between the bodies that the bushing connects. This contact limits the bushing deflection. When the deflection is sufficient in a given direction to close the gap distance, the mount limit forces or torques become active. The forces and torque are computed using an impact function. An exponent greater than one (1) provides increasing stiffness with penetration. The damping force is smoothed with a cubic step function over the penetration distance.
    - Add a Pair of Bushings
      In addition to adding a single bushing to your project, you can also add a pair of bushings such as AutoBushFD pair. When you add a pair, MotionView automatically reflects modifications you make on the left bushing of the pair to the right bushing, unless you choose otherwise. MotionView assumes bilateral symmetry about the global X-Z plane.
  - Use the Altair Bushing Model with MotionSolve
    This section provides information about using the Altair Bushing Model, also known as AutoBushFD, with MotionSolve.
  - Supported Solvers
- Register HVPcontrol
  Register HVPcontrol registers the HVP ActiveX control for HyperView Player.
- HgTrans
  HgTrans translates solver results files from their native file format to Altair Binary Format (ABF). This can be done using the HgTrans GUI or via the HgTrans batch mode.
- HyperWorks Automation Toolkit
  The HyperWorks Automation Toolkit (HWAT) is a collection of functions and widgets that allows an application to quickly assemble HyperWorks automations with minimal effort and maximum portability.
- H3D Validation Tools
  The H3D Validation Tools available in HyperWorks are H3D Info and H3D Validate.
- HyperWorks Verification and Validation Harness
  HyperWorks Verification and Validation Harness (HVVH) is a tool that can be used to verify and validate HyperWorks products. End users can use this tool to quickly evaluate the software quality, performance, reliability, scalability, and robustness, and to gain more confidence in HyperWorks products.
- Uninstall HyperWorks
  Uninstall HyperWorks is a tool to launch the HyperWorks uninstallation program. This program contains two options that allow you to either remove the originally installed files, or remove all the files that resides in the installation directory.

View All Altair HyperWorks Help

HyperWorks 2020.1 Help

2020.1

Home
HyperWorks Tools
Administrative tools to customize your HyperWorks installation.
Model Identification Tool
The Model Identification Tool, known as HyperWorks, is a profile in HyperGraph for fitting test data from frequency- and amplitude-dependent bushings to analytical models. The HyperWorks operates in conjunction with HyperGraph, MotionView and MotionSolve to provide you with a comprehensive solution for modeling and analysis.
Use the Altair Bushing Model with MotionView
This section provides information about using the Altair Bushing Model, also known as AutoBushFD, with MotionView. The Altair Bushing Model is a sophisticated model that you can use to simulate the behavior of bushings in vehicle dynamics, durability and NVH simulations.
Define the Bushing's Properties
The Properties window includes five tabs that you can use to define the properties of your bushing.

What's New
Altair HyperWorks Introduction
Tutorials
HyperWorks Tools

Define the Bushing's Properties

The Properties window includes five tabs that you can use to define the properties of your bushing.

Define the Property File
Define Preload, Offset and Scale
Define the Friction
The friction torque resists rotation of the bodies relative to one another. The friction model supports stiction and sliding effects as well as a measured friction torque due to preload in the bushing.
Define the Mount Stiffness
Use Mount Stiffness when you want to approximate the structural deflection of the bodies that the bushing connects due to the load that the bushing carries. Mount stiffness is modeled as a set of linear springs and dampers in series with the bushing stiffness and damping, thus softening the connection between the bodies. Alternatively, you can use flexible bodies to model the bodies the bushing connects.
Define the Mount Limits
You can activate Mount Limits to simulate material contact between the bodies that the bushing connects. This contact limits the bushing deflection. When the deflection is sufficient in a given direction to close the gap distance, the mount limit forces or torques become active. The forces and torque are computed using an impact function. An exponent greater than one (1) provides increasing stiffness with penetration. The damping force is smoothed with a cubic step function over the penetration distance.

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