Research on the Composite Structure Optimization Method Based on Manufacturing Constraints

Abstract

An optimization strategy is presented for large composite structure based on manufacturing constraints and genetic algorithm. First, on the basis of region division and key region defined, both angle and length design variables for each ply are introduced to make laminate thickness and stacking sequence be optimized simultaneously, also considering laminate ply continuity. Finally, a composite wing is optimized using the current methodology. The result shows that the optimization method can obtain optimum design satisfying manufacturing constraints and weight reduction for large composite structure.