1、

Based on the calculated roof panels loss factor at each mode, further analysis of the roof panel stiffness and damping properties how to effect its corner reaction force at different frequency harmonic loads was done.

依据计算得到的屋面板各阶模态下的损耗因子,进一步分析了不同频率简谐荷载作用下屋面板刚度和阻尼对其角点反力大小的影响。

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2、

The portable stiffness testing instrument for automotive panel was developed, and the defects, such as heavy inconvenience and non-standard in the process of stiffness measure were avoided.

针对大型框架式设备测量覆盖件刚度的笨重不便等问题,成功地研制出可广泛应用于实际生产现场的覆盖件便携式刚度测试仪。

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3、

So, it is found to be effective enough to simulate the static and dynamic properties. ( 5) Effect of the stiffness and damping of roof panel on the wind vibration of the roof structures is investigated by two examples.

表明该夹层板单元能够有效模拟聚氨酯夹芯金属屋面板的静、动力特性。(5)通过两个算例考察了屋面板刚度和阻尼性能对屋盖结构风振效应的影响。

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