fundamental mode 多自由度体系和连续体自由振动时，最小自振频率所对应的振动变形模式。又称第一振型。
... basic vibration mode 基本振型 buckling mode 压曲型式,压屈模式 burst mode 成组方式,猝发方式,突发方式 ...
基于18个网页-相关网页
提出了筒承式群仓平动自振基频、结构基本振型指数的计算公式及简化设计方法。
The calculating formulae and short_cut methods for design, which are about the basic frequency of vibration, and the structural coefficient of the basic vibration model, are put forward.
通过对北京地区八幢建筑物脉动信号的分析，研究了考虑地基与结构相互作用的影响时，体系基本振型的特点。
The characteristics of the fundamental mode of vibration of soil-structure interaction system are studied through the analysis of experimental results of eight building structures in Beijing.
第二章介绍了移动荷载识别的基本原理和相关知识，包括振型的正交性，模态叠加原理等。
The second chapter introduces the basic principle and the correlation knowledge of moving load identification, including mode shape orthogonality, mode superposition principle and so on.
应用推荐