... 12, 23 2 1 2 1 22 1===⇒mOAOBOAOBZd 828 ,15,1 12, 25,1 12, 23 2 3 2 22 33 22 33 2 =−−=−−=⇒( ) 2 1 22 1 2 .41 2 .43HbOBOCbPPdγγ=−⇔= 2 1 2 1 2 1 2 1 22 21 22 4341 2 14141HHHHOBOCHOBOC ... 4.1dAπ=5,048,0 2, 0038,015,015,093,0 2, 0038,01115, 025 ,0 2 :15,045,015,010 2 25 2 2 2 249873 62 21===−=−==−=−==⇒=========−=voikDdDdRdViDdξξξξξξξξξξξξξ Cơ Học Lưu Chất ( )( )( ) ( )( ) ( ) ( )seHeHgehehgedhhehgeeHHeHH1,187 424 22. 2481,9 .2. 241,0..6,053 2 422 2 .3 2 3 2 3 2 2 . 2 . 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 =+−−−=+−−−Ω=−−Ω=+−Ω=−−∫πωµωµωµ( ... 5,1 2 3 24 11 2 1 2 ===⇒=⇒mOAZd15,13 2 3 2 1===⇒( ) 2 1 22 1 2 .41 2 .4 2 HbOAOBbPPdγγ=−⇔= 2 1 2 1 2 1 2 1 2 22 1 22 2 141414141HHHHOAOBHOAOB=+=+=⇒=−⇒mHOB 12, 23 2 1 2 1 22 1===⇒mOAOBOAOBZd 828 ,15,1 12, 25,1 12, 23 2 3 2 22 33 22 33 2 =−−=−−=⇒(...