The width of the CFRP was transformed using the modular ratio n. Since this material was transformed, the flexure formula must also be transformed by n:
Rearrange this formula to solve for moment M2 based solely on the CFRP allowable stress. The largest stress in the CFRP occurs at the bottom of the beam where y = –8.09 in. For our purpose here (i.e., finding the largest moment magnitude), we will consider only the magnitude of y.
