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

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SI a i f<br />

fit~<br />

Z.rl -= •.r nl--~ ~ 5 -X-'.rIx.--"1k',<br />

<strong>The</strong>n from the first<br />

formula <strong>of</strong> the system (1.30) we compute<br />

the generalized strains el <strong>and</strong> e" for two values <strong>of</strong> lx <strong>and</strong> el:<br />

"•i1 • '-' I*C x$) , X -'-) (", 3<br />

1; •<br />

2<br />

I (o)-.•S.+(2)12;<br />

2 o, - ,-..- .•'<br />

6<br />

all<br />

,- =, Fig. 2.41. Finding ail <strong>and</strong> ai2.<br />

Based on these values <strong>of</strong> generalized strains, from the strain<br />

diagram <strong>of</strong> the material a = f(e) we find afi, i23 °ia' i2<br />

(see Fig. 2.41) <strong>and</strong> then from expression (1.30) we determine:<br />

i'.o. 3 o:(s~, + .5-=);' o._- o,.(,'x 2TO1 ;).<br />

S3<br />

Sin<br />

E<br />

X2015<br />

155

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