A balanced finite-element method for an axisymmetrically loaded thin shell

06/22/2023

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by   Norbert Heuer, et al.

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We analyse a finite-element discretisation of a differential equation describing an axisymmetrically loaded thin shell. The problem is singularly perturbed when the thickness of the shell becomes small. We prove robust convergence of the method in a balanced norm that captures the layers present in the solution. Numerical results confirm our findings.