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[en] In this paper, we first propose a new Uzawa-SOR method for fourth-order block saddle point problems. Then we study its convergence conditions through some lemmas and theorems. Finally, the numerical results are presented to prove the 4-USOR method we proposed has less workload per iteration and higher accuracy for large linear system than the other Uzawa-type methods for solving the fourth-order block saddle point problem, which shows the effectiveness and feasibility of our method.
Journal
Computational and Applied Mathematics; ISSN 0101-8205; 
; v. 37(4); p. 5175-5186
; v. 37(4); p. 5175-5186