结合有限元方法和遗传算法进行复合材料结构材料参数识别。材料的弯曲模态频率由有限元方法得到,用遗传算法优化材料参数使计算得出的前五阶弯曲模态频率与结构振动实验测得的频率在最小二乘意义上差别最小。算例表明,用此方法通过结构振动实验和计算就能较为准确地得到复合材料结构的材料性能参数。 Combined with finite element method and genetic algorithm, the parameters of composite material are identified. The bending modal frequency of the material was obtained by the finite element method. The material parameters were optimized by genetic algorithm to minimize the difference between the calculated bending frequency of the first five modes and the frequency measured by the vibration experiment. The example shows that the material performance parameters of the composite structure can be obtained more accurately by this method through the structural vibration experiment and calculation.