考虑脱层壳的三种不同屈曲模态，分析了边界条件、脱层长度、深度对脱层壳屈曲载荷的影响；
Three difference buckling modes of delaminated shell were considered. The influence of boundary condition, length and depth of delamination on buckling load was analyzed.
不同边界条件和不同长径比呈现出不同的屈曲模态。
It is found that PTCSs with different LDR and boundary conditions have different buckling modes.
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.
误差分析表明，如果模态试验结果具有足够的精度，用本文方法能够准确地实现结构边界支承刚度识别。
The error analysis proves that this method can realize the exact identification of the structure boundary support stiffness if the modal test results are of enough accuracy.
准确估计模态参数在飞机颤振边界的预测中具有重要意义。
The accuracy of modal parameter estimation plays a crucial role in flutter boundary prediction.
提出一种用边界元方法与声辐射理论求解复杂结构的声辐射模态与声辐射效率的理论方法。
A theoretical method to solve acoustical radiation modes and acoustical radiation efficiency of complex structure by a boundary element method and acoustical radiation theory is posed in this paper.
HHT刚提出不久，其理论本身还存在不少问题，如包络线和均值曲线的拟合、边界效应和模态混叠等问题。
HHT has not been put forward for long time, so it contains some theoretical problems, such as envelop and mean curve fit, boundary effect, modes mix and so on.
然后利用双三角级数构造满足层板分层区位移边界条件的位移模态。
Then, a trigonometric series is applied to describe the displacement mode satisfying the boundary conditions.
通过分析不同的应力和位移边界条件得到了三种不同双层管结构中扭转模态的频散方程。
Dispersion equations of torsional modes in three different two-layer pipes are obtained by means of analyzing different stress and displacement boundary conditions of these structures.
模态试验边界转换的问题，始终是航空航天界关心的课题之一。
For the problem of the mode test boundary transformation, it has been one of the topics concerned in aviation and spaceflight field all the time.
单元的变形用符合几何边界条件的模态函数来表示。
The deflection of the element is represented by a series of mode functions that satisfy the conditions at the boundaries.
针对经验模态分解过程存在的边界效应问题，提出了利用AR模型进行包络延拓的边界处理算法。
For the end effect in the process of empirical mode decomposition, the envelope extension algorithm by using AR model is proposed.
对刀齿采用平均方位和瞬时方位两种假设，所计算出的铣削稳定图进行比较表明，其最低稳定边界相差很大，并且随结构模态参数不同而异。
The minimum stability limits of stability lobes in milling based on constant and varying orientations are quite different and vary with Structural modal parameters.
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.
系统状态一旦进入到准滑动模态，就对设备参数变化和外界干扰显示出强的鲁棒性，因为控制器的设计完全考虑了边界层的影响。
The invariant conditions of the stabilized platform control system for variable structure control were verified and a sliding mode was constructed.
系统状态一旦进入到准滑动模态，就对设备参数变化和外界干扰显示出强的鲁棒性，因为控制器的设计完全考虑了边界层的影响。
The invariant conditions of the stabilized platform control system for variable structure control were verified and a sliding mode was constructed.
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