Damage determination method and system for curing molding of toughened composite material

The invention discloses a damage determination method and system for curing molding of a toughened composite material. The method comprises the following steps that the curing degree of the Z-pin toughened resin-based composite material is calculated by utilizing a curing temperature field model according to parameters of the Z-pin toughened resin-based composite material; the curing temperature field model is a heat conduction model established according to a Fourier heat conduction law and an energy balance theorem; according to the curing degree, the current curing residual stress of the resin area and the current curing residual stress of the pin area are calculated through a micro-scale model; according to the current curing residual stress of the resin area and the current curing residual stress of the pin area, the current curing residual stress of the resin-pin interface area is determined by using a cohesion model; and the damage state of the resin-pin interface area is determined according to the cu