Question: Assume a beam is designed using [0, 60, 90], layup with the lamina properties shown below. (1) Determine the effective bending stiffness (El) using

Assume a beam is designed using [0, 60, 90], layup with the lamina properties shown below. (1) Determine the effective bending stiffness (El) using the summation method (10 pts) (2) Assume the laminate is subject to a 3-point bend test and plot the layer stress in the x direction for an applied load of 100 lbs. (20 pts) (3) Identify where the maximum inter-laminar shear stress occurs. (5 pts) E11 (106) psi 30 E22 (106) psi 3 G12 (106) psi 1 V12 .3 Let: b (beam width) = 1 in h (height of each layer) = 0.1 in L (beam length) = 10 in - Include an image of the ABD matrix and the plot of the layer stress in your final submission - Upload your MATLAB file in the block below.

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