涡破裂前，气动弹性失稳表现为单纯的颤振问题。
Before the vortex breakdown, the aeroelastic instability presents itself as just a simple flutter.
轴 类零件开式挤压失稳包括弹性失稳和塑性失稳。
The instability includes elastic instability and plastic instability in open-die extrusion.
采用弹性理论研究了圆柱形胶体在表面张力作用下的弹性失稳问题；
The elastic instability of a gel cylinder was researched with classical elastic theory.
分析判据方程发现，弹性失稳与圆柱体的半径、内禀尺度和失稳波长相关。
Through the analysis of the equation, it is found that the elastic instability is relevant to the radius, intrinsic scale and instable wavelength of the cylinder.
对静水压力下环加肋圆柱壳弹性失稳临界载荷现有计算方法进行了比较和计论。
A comparison is made among current calculation methods for the buckling of ring-stiffened cylindrical shells under hydrostatic pressure.
利用能量泛函变分的方法导出了发生弹性失稳的非经典边界条件，得到了失稳的判据方程。
The non-classic boundary condition of the elastic instability has been educed by the energy functional variation analysis. So a criterion equation of the elastic instability can be got.
本文介绍了在跨音压气机试验台上对BF - 1系列转子开展气动弹性失稳的实验研究工作。
This paper describes the initial experimental results of aeroelastic instability of BF-1 rotors on a transonic axial compressor facility at BIAA.
本文介绍了在跨音压气机试验台上对BF - 1系列转子开展气动弹性失稳和动态响应的实验研究工作。
The experimental investigation on aeroelastic instability and dynamic response of the BF-1 rotors by a transonic axial-flow compressor test rig are presented in this paper.
最后对三种结构型式的拱顶储罐的变形方式、应力状态、塑性变形历史、塑性极限压力、弹性失稳临界压力进行了分析与对比。
The analysis and contrast of deformation pattern, state of stress, plastic deformation history, plastic limit load and limit load of elastic buckling are analyzed and contrasted.
本文采用非线性分析方法研究了同时考虑支承阻尼和转子外阻尼的弹性支承滑动轴承系统的油膜失稳振动问题。
This paper studies the film unstable vibration of bearing system supported by flexible support considering both support damp and rotor extemal damp by use of nonlinear analysis.
在高应变率下，断裂应变能密度主要由初始弹性模量和失稳应变共同决定，受温度效应和应变率效应的综合影响。
The fracture strain energy density at the high strain rate is mainly determined by the initial elastic modulus and the unstable strain and affected by the temperature and the strain rate.
以弹性小挠度理论，采用能量法建立了较简便实用的轧后带材失稳判别模型。
The more practical and simple distinguishing model, ofthe rolled strip's stabilization is set up with energy method that depends on small-deflection elastic theory.
岩样的快速回跳条件就是系统(由剪切带及带外弹性岩石构成)的失稳判据。
It is found that the criterion is in agreement with the criterion of instability for the system composed of shear band and elastic rocks outside the band.
在研究碾压混凝土重力坝失稳破坏机理的基础上，提出以准弹性准则作为碾压混凝土重力坝的设计准则。
Based on the study of the failure mechanism of RCC gravity DAMS, the hypoelastic criteria are proposed as the design criteria of RCC gravity DAMS.
对于不可压缩弹性半无限体，概述在双向受载下自由表面的失稳分析，给出失稳的临界条件。
An analysis of surface instability of an incompressible half space under biaxial loading is summarized, and the critical condition for the onset of surface buckling is given.
失稳后的弹性线采用精确的曲率微分方程式。
The shape of the elastic curve of the buckled bar is the solution of the exact differential equation of the curvature.
作者不仅得到弹性拱振动失稳的突变模型，而且给出发生失稳的条件。
The authors not only obtain a catastrophic model of vibrational buckling of elastic arches, but also give the critical condition of losing stability.
由于剪切定位在岩样剪切带内和带外弹性岩石组成的系统的失稳判据研究。
The instability criterion due to shear localization in rock specimen system composed of shear band and elastic rock outside the band is studied.
本文提出了粘弹性裂纹体的延迟失稳理论。
A theory of delayed crack instability of viscoelastic bodies is pro-posed in this paper.
分析结果表明，在传统力学模型中，当转动角速度小于弹性梁的基频时，系统稳定；反之，系统将失稳。
The results show that the system will lose stability when the rotating angular velocity is greater than its fundamental frequency in classical dynamical model.
最后，我们对处于有限单向预拉伸软弹性衬底上的液体薄膜由于范德华力驱动而产生的失稳进行了线性稳定性分析。
Finally, we study the instability of a thin liquid film resting on a uniformly stretched soft elastomeric substrate driven by van der Waals forces by a linear analysis.
研究了超声速气流中受热壁板的非线性气动弹性响应，发现了一种新的动态失稳现象——二次失稳型颤振。
A new dynamic instability phenomenon-secondary instability flutter-is found in the study of nonlinear aeroelastic response of heated panels in supersonic flow.
分析了两体系统失稳发生的条件和过程，并给出了岩体动力失稳的临界条件，确定了岩体动力失稳的弹性能释放终止点位置。
The destabilizing condition and process of two rocks system were analyzed, and rock dynamic destabilizing critical condition was given to strictly confirm the end of rock dynamic destabilization.
分析了两体系统失稳发生的条件和过程，并给出了岩体动力失稳的临界条件，确定了岩体动力失稳的弹性能释放终止点位置。
The destabilizing condition and process of two rocks system were analyzed, and rock dynamic destabilizing critical condition was given to strictly confirm the end of rock dynamic destabilization.
应用推荐