NS方程求解-NSFnet

NSFnet求解CVD正问题参考文献： Yang, H. , F. N. Hwang , and X. C. Cai . “NONLINEAR PRECONDITIONING TECHNIQUES FOR FULL-SPACE LAGRANGE-NEWTON SOLUTION OF PDE-CONSTRAINED OPTIMIZATION PROBLEMS *.” Siam Journal on entific Computing (2016).其中γ=0.01,Re=1,Pr=0.72,Gr=1e