Performance of nonconforming spectral element method for Stokes problems

A nonconforming spectral element method for the Stokes problem on nonsmooth domains has been proposed in Mohapatra et al. (J Comput Appl Math 372:112696, 2020). The main focus of this article is to study performance problems smooth curvilinear and with mixed boundary conditions. Various test cases are considered including generalized $${\mathbb {R}}^{2}$$ {R}}^{3}$$ verify exponential accuracy method.