1st loop 



f 1 







i t 



M 



u 



\ t 







t't 



vj 



\J' 



2nd loop 



3rd loop 











Kj 



y 



y 



r 

 t 



^1 

 1 



y 



Antisymmetr 

 (z-shear, 

 torque) 



Figure 6 - Shear Flows in the Loops 



40 



