OPTIMIZATION OF STACKING SEQUENCE FOR COMPOSITE PLATES SUBJECTED TO SLAMMING IMPACT LOAD USING GENETIC ALGORITHM METHOD

Optimisation of stacking sequence for composite plates under slamming impact loads using genetic algorithm method is studied in this paper. For this purpose, slamming load is assumed to have a uniform distribution with a triangular-pulse type of intensity function. In order to perform optimisation based on the genetic algorithm method, a special code is written in MATLAB software environment. The prepared code is so coupled with the commercial software ANSYS that in each step of optimisation, it could analyse the composite plate under study and calculate the central deflection. After validation, different cases of stacking sequence optimisation are investigated for a variety of composite plates. The investigations include symmetric as well as anti-symmetric conditions of stacking sequence. Results obtained from these analyses reveal the fact that the adopted approach based on genetic algorithm is highly capable for performing such optimisations.