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Ansys Learning Forum Forums Discuss Simulation General Mechanical Error in meshing which says,”One or more entities failed to mesh.” Reply To: Error in meshing which says,”One or more entities failed to mesh.”

Sampat Kumar
Ansys Employee

Hi 
Thanks for your patience. 
I hope you have tried to convert the facets body into a solid body (don't merge faces) before importing it into mechanical. 
As I can see from the details of the mesh, the minimum edge length is zero under the sizing. there might be a chance that some elements in your model collapse to a point that causes issues. 
I would suggest repairing the geometry and then trying to generate the mesh. 

Best Regards,
Sampat