目前国内对建筑幕墙支承结构的研究多以静力性能为主，动态特性研究和在风载荷作用下的动态响应研究较少。
Static study of the supporting structure for the point-supported glass curtain wall is a main method now days, dynamical research and wind-induced response analysis is very lack.
本文提出了一种将等效静力优化算法和分级优化算法相结合的船舶板架结构动力响应优化方法。
In this paper an optimization design method composed of equivalent static algorithm and multistage algorithm is proposed for grillage structures.
结果表明本文方法能够有效地分析大跨度屋盖结构的风振响应和等效静力风荷载，能够解决大跨度屋盖结构中多振型参与振动这一主要问题。
The results show that the method is effective to study the wind-induced response and ESWL of large span roofs, by taking into account of multi-mode vibration of the structures.
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