Secondly , the model involving helicopter , riggings and moorages are built up based on the fea ( finite element analysis ) . thirdly , ga ( genetic algorithm ) is used to realize the optimization of single ship - based helicopter 3 .采用遗传算法对单架舰载直升机(简称单机)在甲板上的系留方案进行了优化,提炼出了优化的目标和约束条件。
