63 0y=-3 MPa xy=4 MPa 0x = 2 MPa Oy The figure represents 45 glass fiber/ epoxy lamina which is exposed to the extensional and shear stresses. Composite constituents have the following parameters: Volume fraction Elastic Poisson's Shear Tensile Modulus Ratio Modulus Strength (GPa) (GPa) (MPa) Epoxy Glass 0.4 3 0.30 1.25 60 0.6 71 0.22 30 3500 1. Calculate the local (on longitudinal and transverse directions) elastic moduli, shear modulus and major and minor Poisson's ratios. 2. Calculate the elastic constants (Ex, Ey, mx, my, V xy, V yx) of x and y directions. 3. Find the reduced compliance matrix. 4. Find the transformed reduced compliance matrix. 5. Find the transformed reduced stiffness matrix 6. Calculate the global strains. 7. Calculate the local strains.