To install dampers in the specific part of bridge structure for controlling the dynamic response of structure and reducing the response of the structure in the earthquake is an effective measure.
通过在桥梁结构的特定部位设置阻尼器，控制结构的动力响应，减轻结构在地震中的反应，是一种行之有效的方法。
Dynamic response analysis of tensioned cable and membrane structure is one of difficulties of structure design because of its tensioned-only, large deformation and small strain property.
由于膜材只能受拉不能受压以及大变形小应变的特点，其设计中动力响应分析是难点之一。
Aiming at the fracture problem of the square plansifter with 8 cells, the calculation for nature frequency and dynamic response of this structure is completed.
针对8仓高方平筛的断裂问题进行了固有频率和动力响应计算，在对计算结果分析的基础上，提出了两种结构改进方案，并对改进结构又进行了计算验证。
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