Generating Interfaces did not produce any contact pairs

- November 7, 2020 at 3:41 am
  
  ma.e.ebol
  Subscriber
  
  Good day, I would like to know how to fix error saying "Generating interfaces did not produce any contact pairs. If you expected contacts to be generated, please check that you are using a valid geometry, and try modifying the tolerance or detection settings." Please see attached file for the geometry. Thank you.
  🛈 This post originally contained file attachments which have been removed in compliance with the updated Ansys Learning Forum Terms & Conditions
- November 9, 2020 at 1:08 am
  
  ma.e.ebol
  Subscriber
  
  Dear Ansys support, Good day, While setting the mesh manually, this error appeared. What would be the cause of this error?
- November 9, 2020 at 5:48 am
  
  Mohib Khan
  Ansys Employee
  
  Good day,
  
  I see the Spaceclaim file which you have shared has Shared Topology activated. Shared Topology is supported by Ansys products like Ansys Fluent or Ansys Mechanical, but are not supported in Ansys Discovery AIM. This is the reason you are not getting any contacts, since you have merged the contact faces by shared topology into a single face. I believe the mesh issue is also due to Shared Topology.
  
  I will suggest to import a model in AIM without any Shared Topology performed in SpaceClaim, or better import the original CAD model. Then once in AIM, define bonded contacts where you want model to be welded/bonded.
  
  Regards,
  
  Mohib
  - November 9, 2020 at 8:49 am
    
    ma.e.ebol
    Subscriber
    
    Good day,
    
    I would like to know how to connect bodies/faces in ANSYS AIM as welded or bolted.
    
    Do you have videos/tutorials regarding this concern?
    
    Thank you.
  - November 9, 2020 at 1:22 pm
    
    Mohib Khan
    Ansys Employee
    
    Hi THPAL Engineering , You can find couple of videos (1 & 2) which show how to define contacts including bonded contacts & frictional contacts (bolted) in AIM. Once you define a bonded contact at a location, it assumes the model to be glued/welded at that location. For bolted contact, you can choose frictional or frictionless or no separation contact based on your requirement. https://discoveryforum.ansys.com/t/x15k18 Regards, Mohib
- November 9, 2020 at 5:52 am
  
  Subashni Ravichandran
  Ansys Employee
  
  Hello THPAL Engineering
  
  Could you please specify which version of Discovery AIM are you using?
- November 9, 2020 at 8:34 am
  
  ma.e.ebol
  Subscriber
  
  ANSYS DISCOVERY 2019 R3

Viewing 4 reply threads

You must be logged in to reply to this topic.

Ansys Innovation Space

Boost Ansys Fluent Simulations with AWS

Computational Fluid Dynamics (CFD) helps engineers design products in which the flow of fluid components is a significant challenge. These different use cases often require large complex models to solve on a traditional workstation. Click here to join this event to learn how to leverage Ansys Fluids on the cloud, thanks to Ansys Gateway powered by AWS.

Earth Rescue – An Ansys Online Series

The climate crisis is here. But so is the human ingenuity to fight it. Earth Rescue reveals what visionary companies are doing today to engineer radical new ideas in the fight against climate change. Click here to watch the first episode.

Ansys Blog

Subscribe to the Ansys Blog to get great new content about the power of simulation delivered right to your email on a weekly basis. With content from Ansys experts, partners and customers you will learn about product development advances, thought leadership and trends and tips to better use Ansys tools. Sign up here.

Trending discussions