Top/Bottom Layer Deflection = 7.91 Stress = 68.94 The results can be seen below (0,0,0) layup Note that these are in good agreement with the Orthotropic results (Deflection = 6.347 Stress = 66.38). This is to be expected because we have created a composite beam of identical thickness using a thick core and two thin outer sheets. The applied bending moment is the same but the overall stiffness is reduced by the softer core. So we should expect larger deflections and similar stresses in the outer ply s. Composite material definition and Analysis 2