To solve this problem, the author proposes the modal strain energy iteration method, and using ANSYS to calculate the resonance frequencies and loss factors of the damped sandwich structure.

• 论文针对粘弹性材料的这一特性，应用模态应变能迭代法来解决这一问题，并运用大型通用有限元程序ANSYS来求解复合夹层结构的各阶固有频率及损耗因子。