ANSYS Workbench tire/pavement interaction

In summary, the conversation is about a simulation in ANSYS Workbench of a rolling truck tire on a flexible pavement surface. The tire is gradually inflating and failing structurally when velocities are included, but there is no visible inflation or deflection when only tire pressure and vertical load are considered. The speaker is seeking ideas for the discrepancy.
  • #1
Danito
2
0
I am trying to run a simulation (transient analysis) in ANSYS Workbench of a rolling tire on a flexible pavement surface. The tire is a truck tire with pressure of 0.7 MPa.

I defined various outputs at consequential small time steps, and I can see the tire gradually inflating until (what seems like) it fails structurally.

However, when I suppress the (linear and rotational) velocities of the tire and leave only the tire pressure and the vertical load on the tire (1/4 of vehicle weight), there is no visible inflation (or structural failure) and no visible deflection of the tire under the vertical load.

This doesn't make sense...
Does anyone have any ideas what the problem may be?

Thank you!
 
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  • #2
What do you mean by "inflating" in this context?
 

1. What is ANSYS Workbench tire/pavement interaction?

ANSYS Workbench tire/pavement interaction is a simulation software used to analyze the interaction between vehicle tires and road pavements. It is a part of the ANSYS suite of engineering simulation tools and is commonly used in the automotive industry to optimize tire design and pavement materials.

2. How does ANSYS Workbench simulate tire/pavement interaction?

ANSYS Workbench uses a combination of finite element analysis (FEA) and computational fluid dynamics (CFD) to simulate the interaction between the tire and pavement. The software takes into account factors such as tire geometry, material properties, and road surface conditions to accurately model the behavior of the tire and pavement.

3. What are the benefits of using ANSYS Workbench for tire/pavement interaction?

Using ANSYS Workbench for tire/pavement interaction allows for a more efficient and cost-effective way to analyze and optimize tire and pavement designs. It also provides a detailed understanding of the performance of the tire-pavement system and can help identify potential improvements in tire and pavement materials.

4. Can ANSYS Workbench be used to analyze different types of tires and pavements?

Yes, ANSYS Workbench can be used to analyze a wide range of tire and pavement types, including passenger car tires, truck tires, and various types of road surfaces such as concrete, asphalt, and gravel. The software also allows for customization of parameters to simulate specific tire and pavement configurations.

5. Is ANSYS Workbench easy to use for tire/pavement interaction analysis?

While ANSYS Workbench may require some training and experience to use effectively, it is generally considered user-friendly and has a user interface that allows for easy setup and execution of simulations. The software also provides detailed visualizations and analysis tools to interpret simulation results and make informed design decisions.

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