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Reference Guides
Explore the Extended Definitions, OML Guides, Block Library, API Guide and Glossary.
Block Reference Guide
Describes all of the blocks in the installed Twin Activate library.

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Learn about the features and functionality available in Twin Activate.
Reference Guides
Explore the Extended Definitions, OML Guides, Block Library, API Guide and Glossary.
- Extended Definitions for Advanced Users
  PDF file with in-depth information on key topics in the User's Guide.
- Scripting Guide for OpenMatrix Language
  OpenMatrix is a mathematical scripting language.
- Reference Guide for OpenMatrix Language Functions
  The Reference Guide contains documentation for all functions supported in the OpenMatrix language.
- Block Reference Guide
  Describes all of the blocks in the installed Twin Activate library.
- Function Guide for Twin Activate
  Provides information about developing and simulating models through the Twin Activate Application Program Interface.
- romAI
- Glossary
  Key terms associated with the software.
Frequently Asked Questions
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ZeroForceAndTorque

Set force and torque to zero

ZeroForceAndTorque

Library

Modelica/Mechanics/MultiBody/Forces/Internal

Set force and torque vectors on frame connector frame_a to zero.

Name	Type	Description	IO Type	Number
frame_a	implicit		input	1