Optimization of lamp positions in the UV curing of 3-dimensional composite components manufactured using the RIDFT process

Abstract

A simple method for locating optimal positions for UV lamps used in the curing of curvilinear composite components manufactured with the Resin Infusion between Double Flexible Tooling (RIDFT) process is proposed. A multivariate optimization model, consisting of continuously differentiable and two-dimensional integral domain parts was developed. This model has UV lamps positions, dimensions of the manufactured composite component, and UV power source as the input parameters. The optimum positions of the UV lamps are the output. The two-dimensional integration yields the difference between the required intensity and actual intensity the composite component receives. A Gauss qaudrature numerical integration method was used to numerically evaluate the surface integral, and the Davidon-Fletcher-Powell (DFP) algorithm was used for predicting optimum positions for the lamps. Mechanical and rheological properties of the UV cured laminates were compared with catalytically cured laminates. UV cured components compared well with the catalytic cured composites.

Publication Title

ICCM International Conferences on Composite Materials

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