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Ansys Learning Forum › Forums › Discuss Simulation › 3D Design › the method to create external flow geometry with design modeler › Reply To: the method to create external flow geometry with design modeler

December 4, 2023 at 8:46 am
NickFL
Subscriber

Lee cw wrote:  

Or can I add tiny body at touching points to merge the bodied?Is it reasonable to do this and consistent with actual physics? 

Exactly! When we have sharp points like this we often have to fill them to create a good geometric model. Since we are only moving the surface a small distance over an area where there will be little to no flow, this is a valid approach. This is commonly done, for example where the tires meet the road. There is a similar tangent contact that we often close to create the model.

We all started somewhere, some of us just started a long time ago ????. I hope my expereince and advice can help you avoid the same headaches I had when I was learning.