52 S. Niikamnra and K. Honda: 



na.{ 



. (2) 



Similarly for the segment BC, we have 



Wi { I 



w — ^ 



Vgh 





Putting ît'i=— =^=?/«i in these equations, we get the displacements 

 Vglh 



at the point B, and equating them to the values above obtained 

 in (2), we have 



r/ = ri = rsay, 

 MA,J,{na,) + B,Y,{no.,) \ = Afjlna{), 



aiMiJo(««i) + -Biyo(««i)}=«i'^i''^o("«/)- 

 Hence it follows that 



A — ^'1 A ' 





where 



l^^!h^J,{na^Ylna()-^Jlno.l)Yino.,\ 



O.y Ol 



For the segment BC, therefore, we have 



