Consider a [+45/ − 45]S laminate with the material properties of Exercise 6.10. Compute the…

Consider a [+45/ − 45]S laminate with the material properties of Exercise 6.10. Compute the middle-surface strains  , , , and the curvatures κx, κy, κxy for the following load cases

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Consider a [+45/ − 45]S laminate with the material properties of Exercise 6.10. Compute the…
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(a) Nx = 1000 N/m; all remaining components are equal to zero

(b) Mxy = 1 Nm/m; all remaining components are equal to zero

(c) Comment on the coupling effects observed.

Exercise 6.10

Consider a [0/90]S laminate made out of Kevlar 49–epoxy (see Table 1.3), each lamina 1.0 mm thick. Compute the stresses in material coordinates when Nx = 1 N/m.

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