Page 180 - Mechanics Analysis Composite Materials
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Chapter 4. Mechanics of a composite laver 165
and
The inverse form of Eqs. (4.99) is
6, 9. cr 0, 7.vy
E ---vxy- el. = - V?!X---, Y.ll. =- 7 (4.101)
‘I - E, 3 Ex GX,.
where
(4.102)
To determine transverse shear moduli G,, and G,,, consider, e.g., pure shear in the
xz-plane (see Fig. 4.34). As follows from equilibrium conditions for the plies
The total shear strains can be found as
(4.104)
where in accordance with Eqs. (4.56)
(4.105)
Fig. 4.34. Pure transverse shear of a cross-ply layer.
