Multibody Dynamics with Ansys Motion
Faster, more efficient, quieter – learn how to efficiently simulate complex motion sequences. This training is offered as a 2-day course.
Duration
2 days
Prerequisites
None
Software used
Ansys Mechanical, Ansys Motion
- Using MBS models to simulate complex motion sequences
- Rapid calculation of bearing loads and requisite drive torques
- Handling joints and nonlinear contacts in Ansys Motion
- How to take into account flexible and thus vibratory bodies
Description
In the development of complex systems such as crankshafts, transmissions, or even entire power trains, aspects such as system functions, loads, smoothness, and durability are of great importance. Transient processes like these are typically examined using multibody simulation (MBS, also multi-body dynamics, MBD). Ansys Motion, a high-end solution, is an effective tool for engineers in this regard. With the Workbench interface, the user now has a powerful postprocessor in addition to the solver.
In this training, you will see many practical examples of how you can optimally use Ansys Motion with its own pre- and post-processor. You will learn how to create and interpret MBS models for the simulation of complex motion sequences, how to take flexible bodies into account, and how to quickly calculate bearing loads and drive torques. This will enable you to identify design deficits and kinematic constraints. The entire model setup and simulation are carried out in Workbench. Post-processing is done in Motion’s own postprocessor.
Our course is suitable for both experienced engineers and complete beginners and offers a comprehensive introduction to Ansys Motion.
Detailed agenda for this 2-day training
Day 1
01 Multibody dynamics with Ansys Motion
- Overview of analysis types of dynamics
- Application areas of Ansys Motion
- Typical input and result variables
- Basic idea of mathematical formulation
- Exercise: Design of a slotted joint
02 Modelling and simulation
- Overview of different joint definitions
- Simple spring and damper elements
- Assembly of modules for the simulation
- Boundary conditions and loads
- Target-oriented analysis settings
- Exercise: Building a simple MBS model and checking the transmission behavior
03 From the simulation to the result
- Managing result files
- Visualization with animations and contour plots
- Creating and editing diagrams in the Motion Postprocessor (crossplot, integration, ...)
- Best practice tips: Presentation of results
- Exercise: Setting up a motion mechanism and displaying results
04 Extended model structure
- Measurement-dependent loads
- Definition and meaning of coupling equations
- Stops and engagement functions in joints
- Bearings (machine element)
- Exercise: Controlled drive of a steam engine
Day 2
05 Non-linear contacts
- Application area joints vs. contacts
- Implementation of contacts in Ansys Motion
- Best practice in dealing with contacts
- Exercise: Transfer behaviour of a supplier system
06 Linear flexible bodies
- CMS (Component Mode Synthesis) as a reduction method
- Applications and limits of the method
- Implementation in the Workbench
- Vibration behaviour of elastic components
- Exercise: Calculations on a vibrating plate
07 Non-linear flexible bodies
- Application scenarios
- Numerical method
- Considering non-linear rubber elements
- Exercise: Non-linear calculation of a camshaft
08 Interfaces to the Ansys product family
- Brief description of the motion add-ons: DriveTrain, Links and Car
- Co-simulation with Ansys Twin Builder
- Exercise: Belt drive
Your Trainers
Ralph Rauchheld
Bernard Feuillard
Placement in the CADFEM Learning Pathway
Participant data
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