ANSYS Mechanical Rigid Body Dynamics


Utilize the power of the rigid dynamics explicit solver for efficient and robust evaluation of mechanical systems containing complex assemblies of interconnected rigid parts undergoing large overall motion. Apply procedures for analysis of machine and mechanism systems such as vehicle suspensions, landing gear assemblies, robotic manipulators, gear trains, amusement rides, engine components, and an innumerable variety of industrial conveyors, drives, indexers, linkages, and the like. Learn the comparative strengths of the explicit and implicit solvers, and how to use both approaches in a connected workflow for a best-of-both-worlds capability.

Learning Outcome

Upon successful completion of this course, the student will be able to:

  • Carry out the basic end-to-end rigid body dynamics analysis procedure in ANSYS Mechanical.

  • Understand the advantages and disadvantages of using the rigid dynamics explicit solver for analysis problems involving large motion.

  • Demonstrate a basic knowledge of the definition and use of bodies and joints for constructing multibody analysis systems.

  • Construct an analysis system that includes the large motion of both rigid and flexible bodies.


  • Completion of the ANSYS Mechanical Linear and Nonlinear Dynamics course is required.

Target Audience: Primarily Mechanical Engineers, including Mechanism and Machine Design Engineers, Automotive Engineers, Aerospace Engineers, Dynamics Engineers, Consumer Products Engineers, and similar sub disciplines.

Teaching Method: Lectures and practical hands-on workshops to validate acquired knowledge.

Learning Options: Training materials for this course are available with a ANSYS Learning Hub Subscription. If there is no active public schedule available, private training can be arranged. Please contact us.

ANSYS Mechanical Rigid Body Dynamics


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Agenda :

This is a 1 day classroom course covering both lectures and workshops. For virtual training, this course is covered over 2 x 2 hour sessions, lectures only.

Virtual Classroom Session 1 / Live Classroom Day 1

Module 01: Introduction to Multibody Dynamics

  • Introduction to the Rigid Dynamics Explicit Solver

  • Overview the Rigid Body Analysis Procedure

  • Rigid Solver versus Flexible Solver

Workshop 01: Actuator Mechanism

Module 02: Rigid Dynamics Analysis Procedure

  • Preprocessing

  • Solution Settings

  • Postprocessing

  • Constraint Equations

  • Export of Motion Loads

Workshop 02: Using the Assemble and Stops Features

Workshop 03: Applying Motion Loads in Structural Analysis

Virtual Classroom Session 2 / Live Classroom Day 1

Module 03: Connections

  • Joint Types

  • Joint Creation

  • Joint Coordinate Systems

  • Stops and Locks

  • DOF Checker and Redundancy Analysis

  • Joint Configuration and Assembly

  • Springs

  • Generalized Contact

Workshop 04: Elevator Device

Workshop 05: Constraint Equations

Workshop 06: Gear Backslash

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