In the analysis of wind vibration,multi-modes and corre-modes need to be considered for the reticulated shell(RS)structures due to the closely spaced natural frequencies.

• 网壳结构具有模态分布密集的特点，在风振计算中，通常需要考虑多个模态的贡献，甚至需要考虑模态互相关的影响。