Design and Stress Analysis of Extraterrestrial ... - The Black Vault

Ir
account variation in the modulus of elasticity due to nonuniform
heating of the blade longitudinally. the values of F and I
are obtained from gas-dynamic analysis.
"(Z)
Fig. 3.25. Normalizing a function. 2,0 '--
1,6 /
0, - ).8- 0 -- •
0,8 / 0,4 R•w
0 0,2 01 o,6 g8 1,0 o
Fig. 3.26. The initial and
two subsequent approximations t7
of the first form of the 10--
elastic line of a vibrating
blade
calculation).
(example of U, -
-
0,6- - -
O24-----------
41
9 7 0
For analysis the blade is
divided into ten equal sections
(generally we can take any number of sections and they do not have
to be equal).
As the zero approximation we take the elastic line
of a cantilever of' constant cross section (function
wIO), which
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