Both SGA algorithm and improved CHC algorithm are applied to diagnose the damage of a 10-unit fixed-end beam and an offshore platform, and different objective functions are discussed in details.

• 以10单元固端梁和海洋平台为例，分别运用普通遗传算法和改进的CHC算法进行损伤诊断，对不同的损伤指标进行了详细的讨论；