Structure CAD ”


- 2


(19.1) (19.3) (19.2)

Ï(å) =1/2 ZeÒ

(19.4)

(19.4)

Ï(å) = 1/2 ZeÒK(e)Ze

- feTZe, (19.5)

: K(e) =

MBFdV ; feT =
FdV +
FdS .

Ï =

, (19.6)

KZ = f (19.7)

K f, K(e) f(e)

, .

. , (), , . , , , . , . , .