2. B11=.00032
B12=.000168
B22=.00056
)Problem (6.2
U0=A cos(αx) sin(By)
V0=B sin(αx) cos(By)
Φx=Q cos(αx) sin (By)
Φy=R sin(αx)cos(By)
U=Uo(x.y)-Zϕx
V=Vo-Z(ϕy)
Xx=∂uo/∂x-z∂ϕx/∂x€
∂uo/∂x=-Aα sin By sin αx
∂ϕx/∂x=-QBsinBysinαx
€xx=(zQB-Aα)sin By sin αx
€yy=∂vo/∂y-z∂ϕy/∂y
€yy=(zRB-BB)sin (By)sin(αx)
€xy=€0xy+zkxy
€0xy=0.5 cos αx cos By (AB+BB)
Kxy=0.5*(∂ϕx/∂y+∂ϕy/∂x)
Kxy=0.5 *cosαx *cosBy (BQ+αR)
W= c sin αx sin By