## 3.5. Draping

The ply application (draping) on doubly curved surfaces changes the theoretical fiber orientations. In many cases the effect is small and can be neglected. On the other side it is important to know how big this effect can be and if it has to be considered. ACP allows you to evaluate the draped fiber directions. These angles can be visualized and are considered in all analyses, resulting in more accurate evaluations. The draping is evaluated on the Production Ply level. In addition the draping algorithm of ACP evaluates the flatwrap of the Production Plies which can be exported for manufacturing purposes.

Figure : Flatwrap (Boundary)

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