Learning Forum

[AndrewZCalSol]

An issue that I am concerned about is the overlap from layup extrusion. There were a couple places in our model where we did not leave gaps to accommodate layup extrusion. One such case is shown below in which these two surfaces (labeled 1 and 2) connect on a curved edge (dotted).

[April Wang]

Hi The images you shared don't show up.
The surfaces should be spatially located such at after extrusion of solid model the resulting surface would just touch the other surface. If there a small gaps between the two parts, one can increase the pinball radius in the contact to accommodate this.
If the composites are modeled as shell elements, it is also recommend to have the clearance between the surface. In Ansys Mechanical, we can turn on the thickness effect in Contact Settings to include the thickness in contact. See this image.

Another thing is if you have a composites shell mode in contact with a solid model, and you do not have gaps in geometry, one idea is that you can create the layup in the opposite direction.
April

[AndrewZCalSol]

Hello I am also unable to view your images in your response as well. Unsure if it has to do with the ANSYS Forum.

Nonetheless, thank you so much for your reply. I am also going to try to repeat the post and try to attach the images again to see if it works.

An issue that I am concerned about is the overlap from layup extrusion. There were a couple places in our model where we did not leave gaps to accommodatelayup extrusion. One such case is shown below in which these two surfaces (labeled 1 and 2) connect on a curved edge (dotted).
As a result, in Static Structural, there were noticeable extrusion overlaps as shown below. (The yellow dotted lines represent surface 1, and the red dotted lines represent the extruded surface of surface 2.)
My question is, willANSYSunderstand to create a firm connection or do we have to create a gap to accommodatethe layup extrusion? ie, what exactly willANSYSinterpret from this situation?