Do you want to select the inner body? You can select in the structure tree. Or you can click in the graphics window and you can find selection helper at lower left corner. https://us.v-cdn.net/6032193/uploads/XYFHIEKYMMH3/image.pngPlease go through help manual for boolean. Regards,KeyurHow to access Ansys Online Help DocumentHow to show full resolution imageGuidelines on the Student CommunityHow to use Google to search within Ansys Student Communityhttps://forum.ansys.com/discussion/comment/109939#Comment_109939

nWere aware of this part but it is not showing up for selection in that tree and we are aware of how use the boolean operation already.n