An Optimal Finite Element Method with Uzawa Iteration for Stokes Equations including Corner Singularities

Algorithm 2

(FE-DSFM Uzawa iteration for one singular function). Start with any initial values , and as the solution of , for all . Repeat the following steps until :

	Step 1: for all , find as the solution of
	Step 2: find from the equality
	Step 3: update by
	Step 4: for all , update by