Optimizing Variable-Axial Fiber-Reinforced Composite Laminates: The Direct Fiber Path Optimization Concept

Figure 10

Fiber layouts for open-hole specimens: reference layout with equidistant and parallel fibers (a), stiffness optimization (DFPO) (b), and principal stress design (c). The TFP layer is placed on top of the base material.

(a)

(b)

(c)