meshing of a large model in a parametric study

- June 14, 2020 at 6:35 pm
  
  ehsan120
  Subscriber
  
  Hi,
  
  I have a pretty large model with many parts. I have meshed all these parts one by one. It took hours to obtain a good quality mesh. Now, I want to do a parametric study on this big model by changing a specific dimension in a specific part. I don't want Ansys to start meshing the entire model again because it takes hours every time that I am updating that geometry. I.e., I just want Ansys meshes the part that the geometry is changed for it. However, every time that I am updating that geometrical parameter, Ansys removes meshes of other parts in mechanical. Do you know how I can stop Ansys to do so and just meshes that part based on the surrounding parts?
  
  Thanks in advance for the help,
- June 15, 2020 at 10:45 am
  
  Rob
  Ansys Employee
  
  Read up on Smart updates.
- June 15, 2020 at 8:15 pm
  
  ehsan120
  Subscriber
  
  Thanks for the response. As far as I know, this method is working when we are not using the shared topology method. How about the case we have shared topologies?
  
  Could you please explain what this means:
  "Associatively option is the recommended comparison option and should be used exclusively if the model utilizes merged topology from the DesignModeler application"
  
  Thanks
- June 16, 2020 at 6:12 pm
  
  ehsan120
  Subscriber
  
  Does anybody know how I can solve this issue?

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