Analyzes the effect of high mode shape on the horizontal seismic force caculating,and adjusts the calculating method of horizontal seismic force,whats more,through the analysis about simplified model,some useful advice is put forward concerning about the mode shape choosing.
讨论了在水平地震作用计算中的高振型影响 ,从而对水平地震作用计算方法提出了有意义的调整 ,并且通过对简化模型的分析 ,为工程结构计算中的振型选取提出了几点建议。
参考来源 - 结构水平地震作用计算中的振型影响探讨·2,447,543篇论文数据，部分数据来源于NoteExpress
Finally, many complex mode shape derivatives of high accuracy can be obtained by decomposing system matrices only once.
该方法仅需进行一次系统矩阵的分解就可获得高精度的多个复振型导数。
In this paper, the contribution of high order mode shape to the frequency response function of disproportional damping structure is expressed by using low order mode shape and system matrix.
本文用低阶模态和系统矩阵表达高阶模态对非比例阻尼结构频响函数的贡献。
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