...AACB-A......BCAB+BB-801000A......Lref=1ref=1Uref=300sUref=300sref=1.225kgref=1.225kg......u（xy）=U0（1eycosx）v（xy）=U0eysinxv（xy）=U0eysinxU0=200sU0=200sL=5H=1.2........N-SN-SNavier-Stokes