This thesis focuses on simulating the manufacturing process of composite materials with the integration of piezoelectric sensors, using virtual manufacturing. This methodology allows for the digital reproduction of production steps, enabling a preliminary analysis of the material's behavior under operating conditions and significantly reducing time and costs compared to physical testing. Composite materials, while offering high mechanical performance, are subject to structural defects that can arise during or after manufacturing. The introduction of piezoelectric sensors within the composite matrix represents a strategy for internal material monitoring, both during manufacturing and in operation. However, this integration brings additional challenges related, for example, to interaction with the mold, residual stresses, material compatibility, and non-uniform thermal distribution.