According to the Meshing application, all of the near-wall inflation elements are of poor quality (<0.2) which I assume to be due to the aspect ratio.

However, these 'corner' inflation elements are of the worst quality, as shown by the following which highlights elements quality 0.05 or less:

I am using a structured mesh to achieve the level of detail I would like preferably within the 512k node limit of the student license. I do have access to academic research licenses, however they are more limited in number.