It is found that these two methods both can be used in analysis of multi-support excitation, but the displacement time-history method is much more convenience.
分析发现，加速度输入模型和位移输入模型两种输入方法都可以应用于多点激励分析，但位移输入更方便。
Seismic responses of two typical large-span structures to uniform vertical seismic excitation are investigated and the effects of multi-support vertical excitation on the responses are checked.
以两种典型空间结构为研究对象，考察了竖向地震作用下结构的地震反应以及竖向多点输入对结构地震反应的影响。
This article provides a method for the consideration of multi-support excitation in the large-sized structure in design.
本文为大型建筑结构在设计中考虑多点输入影响提出了一种思路。
But it is no doubt that the effect of the multi-support excitation should be considered in respect of the seismic design of the long span suspension Bridges.
但有一点是肯定的，对大跨度桥梁进行抗震设计时，应该考虑多维多点激励的影响。
The formation algorithm for the pseudo excitation of the multi-support and multidimensional random earthquake considering the partial coherence effect is improved.
详细研究了部分相干效应对大跨度空间结构随机地震响应的影响，进一步完善大跨度空间结构随机地震响应分析理论。
Therefore, it is necessary to consider the influence of the multi-support excitation in the seismic response analysis for the reasonable seismic design of such long-span structures.
因此，为合理地进行这类结构的抗震设计，在结构抗震分析中考虑地震动的多点输入的影响是非常必要的。
So, to study the seismic responses of long-span cable-stayed Bridges with multi-support excitation will be very important to seismic design and seismic safety.
因此，对大跨斜拉桥在多点输入下的反应开展研究，对进行正确有效的抗震设计，确保其抗震安全性具有非常重要的意义。
In the paper the dynamic responses of a multi support structure to an arbitrary excitation waveform is carried out by use of the multiple point excitation approach.
运用多点激振方法，求解多支承结构在任意波形下的动响应。
In the paper the dynamic responses of a multi support structure to an arbitrary excitation waveform is carried out by use of the multiple point excitation approach.
运用多点激振方法，求解多支承结构在任意波形下的动响应。
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