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

Algorithm 3

(FE-DSFM Uzawa iteration for two singular functions). Start with any initial values , and . and , for all , is the solution of

	Repeat the following steps until :
	Step 1: for all , find as the solution of
	Step 2: by , find and from the equations
	Step 3: update , by
	Step 4: for all , update by