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. Author manuscript; available in PMC: 2020 Nov 23.
Published in final edited form as: Int J Numer Methods Eng. 2019 Jul 5;120(8):937–963. doi: 10.1002/nme.6165

Figure 2:

Figure 2:

The numerical inf-sup test for the thick-walled cylinder using (a) p = 2, (b) p = 3, and (c) p = 4 with 0 ≤ b ≤ a = 2 and Nel elements in each direction.