查询词典 numerical analysis

For some rock slopes, which have not distinct failure surface, but have complicated structure or load on the top and so on, a stability analysis of this type slopes by finite element method is presented, the failure surface is defined by certain rule or strain zone from the computed model, and then the safety factor of the rock slope is abtained by finite element method and limit equilibrium methodAt last, using ANSYS , a famous commercial finite element analysis software, a example of high-steep slope which is bearing the load of the LongGe Mansion is presented, the stability of this slope is studied, as a paradign the the stability evalution of complicated high-steep slope under the action of load of building , the chapter gives some meritable reference in stability assessment of rock slopes using numerical simulation by three-dimension elastic-plastic finite element.

并用有限单元法建立边坡的具体模型，应用折减边坡岩体参数、逐级施加荷载等与边坡工作环境相似的方法进行模拟计算，根据计算结果，采用一定的判别准则或图形可视化方法，确定出边坡的滑裂面，再采用刚体极限平衡法或有限单元法计算其安全系数；最后，通过某一工程实例，用大型有限元程序对边坡在建筑物荷载作用下的稳定性进行分析研究，并以此作为计算分析复杂高边坡在高层建筑物作用下的稳定性评价的一个范例，在采用有限元弹塑性数值模拟岩质边坡稳定性方面提供一些有价值的参考。

With the increasing transportation of liquid chemicals in bulk by ships, the risk of the chemicals spill is getting higher and higher. So the reasonable numerical modeling of the spilled chemicals at sea is a key technique for the risk assessment and contingency decision-making. The sinkable chemicals spilled at sea always ended in sediment, so the design of decision-making support system for sinkable chemicals spilled shipboard have academic and applied sense.Based on the analysis for the environmental harm caused by the transportation shipboard of chemicals and research on related ordain in the international common and intestine law , the paper analysis the impelling need of establishing related respond system for contaminative accident.

随着海上液体化学品运输、中转量的不断增加，化学品泄漏风险也日益增加，对海上泄漏化学品行为进行合理、可信的数值模拟，而沉降型化学品由于最终进入沉积物而可能带来更大的潜在危险，故并在此基础上构建GIS支持下的海上溢漏事故应急决策支持系统具有重要的理论意义和实用价值。

The numerical results show that serious errors exist in the substructural analysis for the hybrid structure,and the global analysis is necessary for the hybrid structure under the excitation of static loads and seismic loads.

需对其进行较精确的分析。在以往传统结构的计算分析中，为了简化计算，实际工程中往往将结构分开进行分析，如分为上部结构与下部结构，屋盖结构与梁柱体系等。

Variabilis natural type; applied the theory of numerical taxology and cluster analysis method, classified the Q. variabilis of Qinba and Huanglong mountain; ascertained the standard and method of Q. variabilis plus trees selection about 30 ages in Shaanxi province different areas and selected 49 plus trees that were suitable to different areas; used isoenzyme analysis ,through the detection enzyme system of POD,GDH,EST and ADH ect, researched the genetic variation level of Q. variabilis natural populations and heredity construction of different Q. variabilis natural type .The result showed:(1) Q.

本文通过对栓皮栎地理分布的研究，确定了研究栓皮栎天然类型的地理区域；应用数值分类学原理，采用聚类分析方法，对秦巴山区和黄龙山区的栓皮栎天然类型进行划分；确定了陕西省不同地区30年左右栓皮栎优树选择的标准和方法，并选出了适宜不同地区生长的优树49株；采用同工酶技术，通过对POD、GDH、EST、ADH等4个酶系统的检测，研究栓皮栎天然群体遗传变异水平和不同栓皮栎天然类型的遗传结构。

The numerical calculation and analysis of stress fields in the course of loading for coal or rock were simulated by means of fast lagrangian analysis of continua software.

连续介质快速拉格朗日差分法(fastlagrangiananalysisofcontinua，简写FLAC)是近年来逐步成熟完善起来的一种新型数值分析方法。

Taking the accurate analysis on the joggling region of a connecting rod bolt as an example, the accurate analysis of numerical simulation on complex structures is done combing with the functions and features of ANSYS submodel technology.

以连杆螺栓啮合区域的精细分析为例，结合ANSYS子模型技术的功能特点，进行复杂结构数值模拟的精细分析。

Taking the accurate analysis on the joggling region of a connecting rod bolt as an example, the accurate analysis of numerical simulation on complex structures is done combing with the functions and features of ANSYS submodel technology.

以连杆螺栓嘀合区域的精细分析为例，结合ANSYS 子模型技术的功能特点，进行复杂结构数值模拟的精细分析。

And used the MATLAB realizationnumerical integration analysis, the experimental result had alsoproven had the operation simply using the MATLAB realizationelectromagnetic field numerical integration analysis bright, theoperating speed has been quick, miscounts slightly and so on themerit.

并利用MATLAB实现数值积分分析，实验结果也证明了运用MATLAB实现电磁场数值积分分析具有操作简单明了、运算速度快、计算误差小等优点。

The aims of this dissertation is combining new theory and method about artificial neural network into numerical computing, cell genetics and chromosome banding technology, to solve the problem which is automatic analysis and recognition of high resolution band of plant chromosome and improve its analysis speed, quality, accuracy and automation.

本文研究的目的是将神经网络的新方法、新理论与计算数学、细胞遗传学和植物染色体分带学相互结合解决植物染色体纹理的高分辨带纹的自动分析与识别问题，提高其分析速度、质量、精度以及自动化程度。

A simplified mechanical model of a typical axially loaded sleeved compression member is introduced. Some reasonable constitutive relation curves of the inner steel tube are chosen for analyzing in two numerical examples. One is analysis on its axially loaded bearing capacity under different working conditions. The other is stability analysis of grid structure with SCM. The buckling control effect of the inner steel tube is evaluated with the outer steel tube applied in these conditions.

阐述了轴心受压情况下典型套管构件的简化力学模型，选择利用合理的套管构件内核本构关系，用2个算例（内核圆钢管不同工况下的轴压承载力分析和网架结构应用套管构件的稳定计算分析）分析了外钢管对轴心受压内钢管的失稳控制效果。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。