查询词典 finite element method

Used the finite element method computation pipe network resistance thus obtains the ballast water system the line pressure distributed situation. The paper also has carried on the computation to the ballast tank hydraulic loss and has provided the theory basis to the ballast pump optimized design. The overpressure to the ballast tank has been carried on the discussion. The paper also gets the function between the rated flow and the rated pressure of the pump on ships whose BW pipe net is uniform and line is different, which provides a new method for the selection of BW pump.

文章重点讨论了船舶压载水系统的水力计算，使用有限元法计算管网阻力从而得到压载水系统的管路压力分布情况；文章还对压载舱的水力损失进行计算，对压载水泵的优化设计提供了理论依据；文章还对压载水舱过压问题进行讨论；文章对压载水系统相同而航线不同的船舶，利用最小二乘法得到其压载水泵额定流量和额定压头之间的函数关系，为压载水泵的设计和选型提供了新的方法。

The article uses the plane simplifying calculation method and the space finite element method to analyze the bearing characteristics of the arch rib when the concrete is poured into the steel pipe and the batten plate chamber of truss type steel pipe concrete tied arch bridge.

采用平面简化计算方法与空间有限元方法对桁架式钢管混凝土系杆拱桥灌注钢管及缀板腔内混凝土时拱肋的受力特性进行了分析。

The finite element method and electro mechano acoustic method are used to analyse the mechanical performance,sensitivity,and frequency response of the condenser microphone .

针对所研制的电容式微传声器在理想模式下的工作原理，建立了有限元分析模型和声电模型，从理论上分析了器件的机械性能、灵敏度以及频响特性，得出了结构优化的设计原则，即要想得到高灵敏度的微传声器器件，必须考虑采用尽可能小的空气隙厚度和声学孔尺寸以及具有较小内应力的声学振膜。

The finite element method combined with optimization was applied to the structural analysis of the local stability of orthotrupic steel deck plate. The structural analysis of the orthotmpic deck plate was conducted in the equivalent grillage method. The local stability of the orthotiopic deck plate was analyzed with the Japanese bridge specification.

采用有限元法和优化技术相结合的方法同时解决钢桥面板的局部受力问题与局部稳定问题，其中钢桥面板的结构分析采用等效格子梁法，编制了分析程序；钢桥面板的局部稳定计算采用日本规范。

Lamb wave ; optical deflection method ; finite element method ; ablation model

Lamb波；光偏转法；有限元法；融蚀模型

A factor of friction power is considered during fatigue, and a new model for predicting fretting fatigue life under low cycle load is presented based on a nominal stress method. For dovetail joint, the problem of elastic contact is solved using the finite element method.

在低周疲劳寿命预测方法中，通过引人摩擦功因子，考虑微动作用对构件疲劳寿命的影响，对传统的名义应力法进行改进，以用于构件的低周疲劳寿命预测。

Study on temperature field in rare earth electrolysis cell by finite element method;2. The numerical analysis method of temperature field in rare earth electrolysis cell of fluoride system was studied in this paper.

研究了氟化体系稀土电解槽温度场问题的数值模拟分析方法，采用有限元法计算了新的电解槽温度场，其分析结果，为新槽体的开发设计提供了参考依据。

In the couping solution, based on the characteristics of the models in this dissertation, each of loading step is finished in unit time. Thus the volumetric strains on the current increment step as analysis parameters are inserted into the equation of continuity and a physical equation for pore water pressure is presented. The fundamental solutions of two kinds of classic problems (axial symmetry and plane strain) are derived. By use of the fundamental solutions of pore water pressure combined with finite element method of soil mechanics, a semi-analytical and semi-numerical method for nonlinear consolidation equations is presented.

在耦合分析中，根据本文模型的特点，将每一荷载增量步看作单位时间完成，对应当前增量步的体变分量作为分析参数代入连续方程，建立了基于数值模型的孔压变化方程，根据工程中最常见的两类问题推导出基本解，结合土骨架的控制方程建立了此类液-固耦合问题的半解析半数值解答体系，编制了有限元程序，从而实现了从建立本构关系到模拟固结问题的全数值方法。

The static and dynamic characteristics is better than the traditional cast- iron lathe bed. From the steel fiber polymer concrete's experiment material and the method of preparation the strengthen mechanism of steel fiber was studied with the mechanics principle in brief. This article uses the finite element method to simulate the lathe bed of machine tool, getting the natural f...

从钢纤维聚合物混凝土的实验材料和制备方法入手，利用力学原理简单研究了钢纤维的增强机理，并且利用有限元的方法，对机床的床身进行模拟，得到了不同截面尺寸的固有频率，通过同结构的钢纤维聚合物混凝土和铸铁床身进行谐响应分析，证明了钢纤维聚合物混凝土床身良好的动态性能。

Based on recursive stochastic finite element method, a random damage identification method for frame and infilled frame structures was developed. The control equations of random damage index were set up after random damage index was defined.

提出了一种基于递推随机有限元方法的随机结构损伤识别方法来识别框架与框架填充墙结构的损伤。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。