查询词典 Timoshenko

It canprovide dynamic responses of the system with changes of wheel load,vehicle velocity, frequency and irregularities of the track, and distribution of dynamic responses in the subgrade can be given, also beused to select parameters, optimize designs and forecast dynamicproperties of the system, etc.(2) Based on Timoshenko beam and geostatic theory, couplingrestricted equations of various finite elements are founded. The restrictedequations have been dealt with by Lagrangian enlarging multipliers.

该模型充分地考虑了系统的空间、时变、耦合特性及路-桥-隧过渡段的设计断面和设计参数，可提供无碴轨道路-桥-隧过渡段系统的动态响应时程及动态响应场分布等，具有合理选择无碴轨道过渡段设计参数、优化设计及预测动力性能等功能，从而为高速铁路无碴轨道过渡段系统的设计提供了理论分析依据。

Analysis of tube-in-tube structure of variable cross-section in torsion;2. By assuming the structure to be continuous,the Hamiltonian dual system of coordination analysis is established for tube-in-tube structure s,in which the shears and flexures of the inter and the outer tubes are considered as Timoshenko beams.

在结构连续化假定的基础上，将内筒和外筒视为铁摩辛柯梁，同时考虑内筒和外筒的剪切与弯曲变形，建立了筒中筒结构协同分析的哈密顿对偶体系，导出了相应的状态空间方程，其系统矩阵具有辛矩阵的特性，可用精细积分法求该体系的高精度数值解。

The objective of this paper is to solve the dynamic responses of a multispan fluid-conveying Timoshenko pipe by using the quasi analytical-and-numerical-combined method.

本文之主旨在使用类似的解析与数值混合法(简称quasi ANCM)来进行一具有剪切变形及旋转惯性效应的多跨距Timoshenko流体输送管之动态分析。

The objective of this paper is to solve the dynamic responses of a multispan fluid-conveying Timoshenko pipe by using the quasi analytical-and-numerical-combined method.

中文摘要本文之主旨在使用类似的解析与数值混合法(简称quasi ANCM)来进行一具有剪切变形及旋转惯性效应的多跨距Timoshenko流体输送管之动态分析。

In general, the other vibratory equations of Timoshenko's beam are special example of this equation. The steady-state vibrations of rail by making use of this equation are solved.

应用导出的方程，求解了铁路钢轨的稳态振动问题，相应地也给出了轨枕和道床的振动方程及其振动特性。

Finally, based on the theory of Timoshenko beam, a beam model of this crankshaft is built, which is compared with solid model. The results indicate that this beam model can meet the needs of calculation precision and calculation efficiency. With this beam model, the condition in which real loads are put on the crankshaft is simulated. The displacement curves、velocity curves、acceleration curves of the main journals and the pulley of this crankshaft and torsion vibration curve of the pulley are then gained. With these curves, the dynamic characteristic of the crankshaft is analyzed. The conclusion indicates that this crankshaft has good dynamic characteristic.

最后利用Timoshenko梁理论建立了曲轴的梁单元模型，将此梁单元模型与体单元模型进行了比较，结果表明梁单元模型能够满足精确度和计算效率的要求；利用该梁单元模型，模拟了实际条件下的载荷作用时曲轴的响应，得到了曲轴各主轴颈和皮带轮端的位移、速度、加速度曲线以及皮带轮端的扭转振动曲线，分析了曲轴的动态特性，结论表明该型曲轴具有良好的动态特性。

By using a shooting method, the strongly nonlinear ordinary differential equations with two-point boundary conditions were solved and numerical solutions for thermal post-buckling and bending deformation of sandwich Timoshenko beam with pinned-pinned ends and subjected to transversely non-uniform temperature rising were obtained.

采用打靶法数值求解所得强非线性边值问题，获得两端不可移简支夹层梁在横向非均匀升温作用下的静态热过屈曲和热弯曲变形数值解。

A method for crack identification of a Timoshenko beam by means of wavelet analysis of modal parameters is presented.

该方法对Timoshenko梁裂缝识别的工程应用具有参考价值。

Did you know that one of the designers of the Sherman was a Russian engineer named Timoshenko?

你知道&谢尔曼&的一个设计师是俄国的工程师，叫铁木辛哥么？

In the realm of common use ultrasonic frequencies and sizes of vibration system, Timoshenko theory is applicable.

在常用超声频和振动系统的尺寸范围内，Timoshenko理论能很好地满足精度要求。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。