The proposed approach can offer an exact solution for dynamic response of base-isolated structure, through using the complex modesuperpositionmethod.
利用复数振型叠加法，这种求解方法能够得出结构动力响应的精确解。
2
The modesuperpositionmethod that was often used in the analysis of wind induced vibration in engineering had great relevance to the mode characteristics of roofs.
工程中常采用的风激振动的振型分解法与屋盖的振型特性密切相关。
3
This method is based on the superposition integration principle. It is quite simple and useful. It avoids the complicated works for system mode building.