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Chapter 8. Optimal composite structures 389
pb'
PI=-. (8.68)
b'-4
Constructingthe combined meridian we should take into account that functionsz(r)
and z'(Y) must be continuous for Y = b. Finally, using Eqs. (8.65) and (8.67), we
obtain:
ForR>r>b (T=pro/2,~=0)
(8.69)
and
where
(8.70)
and
where
