动态传递矩阵可以用于计算薄壁梁集合体的精确固有频率和模态形状。
The derived dynamic transfer matrix can be used for calculation of the exact natural frequencies and mode shapes for thin-walled beams and structures approximated as composed of thin-walled beams.
动态传递矩阵可以用于计算非对称薄壁梁及其集合体的精确固有频率和模态形状。
The dynamic transfer matrix can be used for calculation of exact natural frequencies and mode shapes for asymmetrical thin-walled beams and its assemblages.
该方法作为动态激励的压电模态响应易于实时监测，迭代过程简单可靠、计算速度快、识别精度较高，适用于任意形状和边界条件的复杂型智能结构。
The method is simple, credible and has high precise and rapid calculation velocity, which is suit for the piezoelectric smart structure with complex shape and boundary conditions.
在此基础上研究了波纹形状、腹板整体外形尺寸和钢腹板厚度等因素对波纹钢腹板剪切屈曲极限荷载和屈曲模态的影响。
On this basis, the influences of corrugation configuration, the overall dimensions and steel thickness of corrugated webs to ultimate shear bucking load and buckling mode are investigated.
当然你知道，这仅仅是结构受到一个激振力，力激起了那阶模态时所呈现出一个特征形状。
Of course, you know that this is only a characteristic shape that the structure will undergo when subjected to a force that excites that mode.
由于土木工程结构体积大、形状复杂，外加激励难，因而利用环境激励来获取土木工程结构的模态参数被认为是一种行之有效的方法。
Due to the huge volume of civil engineering structure, the vibration excitation is a difficulty; the modal identification based on environmental excitation is available.
本文将拱坝这样一种几何形状和边界条件都比较复杂的壳体结构划分为梁拱两组子结构，利用它们的一维模态建立动力方程求解振动问题。
A method is presented here for the dynamic analysis of arch dams by means of vibration modes of one dimensional arch and cantilever elements.
本文将拱坝这样一种几何形状和边界条件都比较复杂的壳体结构划分为梁拱两组子结构，利用它们的一维模态建立动力方程求解振动问题。
A method is presented here for the dynamic analysis of arch dams by means of vibration modes of one dimensional arch and cantilever elements.
应用推荐