Creating and Exporting a Reusable Suspension System in MotionView

Welcome to the Multibody Dynamics for Automotive Applications using MotionView and MotionSolve blog series. Now that we have built and tested a basic suspension system, we will package it into a subsystem that can be reused when building a full vehicle model. Using a modular approach in multibody dynamics simulation, we ensure efficient vehicle dynamics simulation and seamless integration with other components.

Creating a Subsystem for the Suspension System

• Go to Model > Add System or Assembly.
• Select "System" and click Next.

Assign meaningful names:

• Variable Name: simple_suspension
• Label Name: Simple Suspension
• Click OK to create the subsystem.

Now, we need to transfer all relevant components into this subsystem:

• Bodies.
• Graphics.
• Joints.
• Motions.
• Outputs.
• Spring damper entity.

To do this, cut these entities from the parent model and paste them into the Simple Suspension subsystem.

Verifying the Suspension Subsystem

Once the suspension system is isolated, we need to run a simulation to ensure it functions independently:

• Save the file as Simple Suspension System.mdl.
• Run the simulation and observe the motion in HyperView.
• Ensure the forces, displacements, and constraints behave as expected.

If everything checks out, we proceed to export the subsystem for future use.

Exporting the Suspension System for Reuse

To make this suspension system reusable, follow these steps:

Go to the Import/Export tab.

Select "Export" and choose a save location.

Save it as "Simple Suspension System.mdl".

Click "Quick Export" to finalize the process.

Now, this modular suspension system can be imported into other vehicle models, enhancing efficiency in multibody dynamics automotive projects.

Importing the Suspension System into a New Session

To validate the exported system, follow these steps:

• Open a new MotionView session.
• Go to Model > Import > Select "Simple Suspension System.mdl".
• Click OK to load the system into a new model.

This ensures that the suspension system can be seamlessly reused, reducing development time in automotive engineering simulation.

Conclusion

By creating a reusable suspension system, we establish the foundation for vehicle dynamics modeling in multibody simulation software. The ability to export and import subsystems is crucial for efficient automotive simulation tools, allowing engineers to build complex vehicle models without redundancy.

In the next phase, we will integrate additional components, such as a steering system, to complete our multibody dynamics course for automotive engineers. Stay tuned for more insights into MotionView training and certification!

This blog is part of our ongoing Multibody Dynamics blog series. If you missed the previous posts, check them out here.

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