查询词典 numerical analysis

According to in-situ construction real time observation and inverse analysis results, refinement numerical artificial analysis on a group of headrace tunnels was conducted and influence of different construction schemes and support parameters on rock mass deformation and failure behavior were researched to provide quantized data and technical aid for project construction decisions.

基于跟踪施工的现场实时观测和反演分析结果，对引水发电洞群进行了精细化数值仿真分析，研究了不同施工方案和支护参数对岩体变形、破坏特性的影响，以便为工程的施工决策提供量化资料和技术支持。

Based on the modem FEM with the dynamic substructure method, itd dynamic equation is established with almost no limits to DOFs of the system, in which the left side is the first approach of the nonlinear system and the right side is the excitation and coupling nonlinear pseudo forces. The modal analysis method is used to get the eigen solution to the reduced linear homogeneous dynamic differential equation. When the system is excited by the harmonic excitation at the right side of the equation, the nonlinear dynamic response can be calculated by the numerical method to give quantitative analysis.

基于近代有限元和子结构模态综合法的动力学建模方法，获得非线性系统动力学微分方程，其自由度几乎没有限制，对左端首次近似齐次方程进行模态分析，选取对响应有贡献的部分本征对，同样对右端激励和非线性伪力作模态变换，得到减缩后非线性系统耦合动力学微分方程。

The error of SIF is discussed too. Then an index to estimate error of SIF is advised. The analysis shows it is a feasible and correct parameter.Size effect, Numerical analysis, Statistical theory, Energy theory, Fractal theory

8在对应力强度因子的计算方法进行评述的基础上，对应力强度因子的计算误差进行了分析，提出了一个使用有限元方法求解应力强度因子的误差指标参数。

It is fitted to the intelligence interface and numerical value calculation. Through topology form and topology analysis as well as the graphical knowledge and the general network system equipment state analysis the graphic knowledge can be translated into inferable knowledge.

通过对可视化的电力系统结构图进行拓扑形成、拓扑分析及系统设备状态分析完成图形知识到计算推理所用知识的转化，从而得到既适合数值计算又适合智能推理的通用网络模型。

The details are described as follows:Based on the principles of elasticity and plasticity mechanics theories, we finish an analysis of the stability near the 1150 horizontal jamb in theory and simulate the stress situation and the stability of the rock mass in the mining processes. Through the analysis on the numerical results and the types of the breakages in underground roadway we evaluate the stability and the security of this area and predict the possible breakages in the future.

具体内容包括：应用弹塑性力学的观点和方法，对二矿区1150中段水平矿柱附近区域的稳定性进行了理论分析，对矿区岩体在采矿过程中的受力状态和稳定性进行了计算机模拟，分析了工程布置区巷道破坏的原因和类型，并对水平矿柱矿体稳定性和采矿安全性进行了评估，对矿区将来可能发生的不利于生产的破坏形式进行了定性预测。

Discontinuous deformation analysis method is a newly developed numerical method that can be used to perform deformation analysis of jointed rock mass.

非连续变形分析方法是近年来发展起来用于分析裂隙岩体的一种较好的数值计算，其以新颖的思想、先进的数值技术，得到了学术界的认可和广泛关注。

Finite element limit analysis method has the advantage of combining numerical analysis method with traditional limit equilibrium methods.

有限元极限分析法兼有数值分析法与经典极限分析法两者的优点，特别适用于岩土工程的分析与设计。

Analysis and a numerical simulation study are carried out to investigate the effects of surface fluxes on the development of a long-lived severe squall line that occurred on 12 July 2004 near Shanghai using the RSM-RANAL re-analysis data and WRF model.

使用水平分辨率20km的RSM-RANAL再分析资料和WRF模式，对2004年7月12日影响上海地区的一次飑线过程进行分析和数值模拟，结果表明：(1)雷暴发生区域的西北侧约300km处有一冷锋，地面风场辐合；中低层为一致西南急流，雷暴发生区域上空300h Pa位于西风急流右后侧辐散区中；地面存在明显的温度梯度。

This paper took the paddy soil after saving-water irrigation as the object,which is from Taian town of Yangzhou city, selected microtomy to get undisturbed soil samples respectly between two periods(before irrigation and after harvest), built up the analytical technique of numerical picture system.It also set up the analysis index of macropore structure,such as the number of macropores N, the macroporosityφ,the area A, the perimeter P and so on. Meanwhile make analysis contrast about horizonal distribution among 4cm, 6cm and 8cm scanning areas, vertical differences per 2cm unit and contrast in time between different periods.

本文选取扬州市泰安镇节水灌溉后稻田土壤为研究对象，采用切片法取开灌前和收割后的原状土样，运用数字图像制备技术，获取大孔隙数目N、大孔隙度Φ、面积A、周长P等分析指标，对4cm、6cm和8cm扫描直径内大孔隙作水平向差异性分析，对2cm单位深度上作垂向差异性分析以及对两个不同时期作时间差异性分析。

A plan for the solution of a problem; consists of planning and coding, numerical analysis, systems analysis,''.

为解决某一问题而作出的计划，包括规划和编码、数值分析、''。

Through comparing with the results by simulation to study the effects of theprojectile"s final velocity, the angle of rotation and the ballistic trajectory"s migration withdifferent projectile"s rotating speeds, different target"s moving speeds and differentpenetration angles.

通过比较数值模拟的结果来研究不同弹头转速、目标速度、侵彻角对侵彻过程中弹头最终速度、翻转角度和弹道偏移的影响。

I love stationery and all the accoutrement of writing.

我爱文具以及所有的书写的工具装备。