Sy=100*10^3;//given in N
Aco=900;//area of corner booms,given in mm^2
Ace=1200;//area of central booms,given in mm^2
tl=2;//thickness,given in mm
tb=3;//thickness,given in mm
L1=1.6*10^3;//leangth of built in end,given in mm
L2=0.8*10^3;//leangth of open end,given in mm
B1=0.8*10^3;//breadth of built in end,given in mm
B2=0.4*10^3;//breadth of open end,given in mm
Lc=2*10^3;//distence of the section from the built in end,given in mm
L=4*10^3;//leangth of Beam,given in mm