查询词典 ritz

The paper is concerned with the seismic responses of jacket platforms and some correlative researches as follows:First of all, the Ritz method is studied.

首先简要介绍变分原理和虚拟激励法的基本理论，以及Ritz集的选择方法。

A piece wise Ritz method to obtain a precise and valid solution used to analyze laminated shell structure is developed.

为了对层合壳体结构进行准确和有效的分析，给出了基于分片参数曲面描述的适用于层合壳体结构分析的分片Ritz法。

The use of Improved Ritz vector method greatly improve the calculation speed , reduce the computational workload and create favorable conditions to practice in project.

用改进的Ritz向量法，大大提高了计算速度，减少了计算工作量，为工程推广应用创造了有利条件。

Mechanical model of waste-filling in roadway was founded and elastic solution of displacement of coal pillar was found out by dint of Ritz method.

建立了巷道矸石充填的力学模型，并应用Ritz法求解了煤柱位移场的弹性解。

By means of the RITZ method,the free frequencies of the first and the second mode of the cables were given.

引用压杆屈曲函数构造两固端刚性拉索的一阶和二阶振型函数，由 RITZ法原理求得其相应的一阶和二阶固有振动频率。

This paper uses Ritz theory and presents a method to solve the problem of bend, free vibration and buckling properties of the circular plates subjected to arbitrary forces.

本文应用能量法中的Ritz全面、彻底、细致地研究了任意面内力作用下圆板的力学特性，即弹性圆板在任意面内力作用下的横向静力弯曲、屈曲及自由振动特性。

Three-dimensional dynamic finite element methods and theories , improved the Ritz vector method and vibration shapes superposition method are applied to analyze and calculate the dynamic response of drilling string.

本文采用三维动力有限元理论方法和改进的Ritz向量法及振型迭加法对钻柱进行了动力响应分析和计算。

The WYD method is improved on the basis of analysis and research of free interface modal synthesis method that regards the Ritz vector formed by WYD method as reserved main modal set, and influence of modal truncation on synthesis precision is discussed.

在分析研究了以WYD法形成的Ritz向量作为保留主模态集的自由界面模态综合法基础上，改进了WYD方法，并讨论了模态截误差对综合精度的影响。

The cured shapes of cross-ply unsymmetric composite laminates were investigated using Ritz method .

利用 Rayleigh -Ritz法研究了复合材料非对称正交薄层板的固化变形。

So it can be avoided that the computation accuracy is lowered and the calculation result is hard to be convergent for the odd state of transformation matrix.The computation accuracy of wavelet Ritz method and wavelet Galerkin method has been improved so the special'microscopic'property could be fully expressed. An effective method is offered also to solve the problem of high stress gradient and some other odd state problems in engineering.

从而避免了由于转换矩阵奇异而造成精度下降且计算结果不易收敛的问题，提升了小波Ritz法和小波Galerkin法的求解精度，使小波分析的"显微"特性得以充分发挥，并为应力大梯度问题和工程奇异问题的有效求解提供了强有力的计算手段。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。