In order to quickly estimate the manufacturing cost of composites stiffened panel in the early stage of design

a manufacturing cost estimation model based on the weight of designed structure is proposed in this paper. The key of the model is that considered the reasonable value of material cost ratio coefficient

manufacturing process coefficient

skin shape coefficient

stiffener shape coefficient

material utilization ratio coefficient are

et al. In a case study on the cost estimation of a validated test part

the deviation between the estimated cost and actual manufacturing cost is 10.8%

the results show that the current model can be used to estimate the manufacturing cost of composites stiffened panel

which can provide the basis for decision making.