模拟结果表明所用有限体积法是有效的,可以为铝型材挤压的模具设计与工艺参数的选择提供理论指导。
The simulation results show the validity of employed finite element method and it can provide theoretical instruction for aluminum extrusion die design and technique parameters selection.
由于耕区土壤水力学参数的变化对免耕法并不敏感,故模拟的水平衡项与传统耕作下的相应值间基本无差异。
The results show that ST changes the hydraulic behavior of the soil significantly and the simulation based on dynamic parameters is remarkably differed from that of CT.
利用计算机模拟法,选择矿井技术工艺系统和参数的最优化。
Computer simulation was used to select mine technical system and parameter optimizing.
通过对北固山湿地芦苇的连续试验观测,将芦苇生育期划分为五个阶段,采用生长度日法建立芦苇发育进程模拟模型,并确定了各生育阶段的生长度日参数。
The developmental stage simulation model of reed is made with growing degree day method, the corresponding growing degree day parameters of each developmental stage have also been determined.
实例证明,一步模拟法可用于板料成形工艺方案的快速评价及参数优化。
Numerical simulation result shows that this method can be used for rapid evaluation of sheet metal forming process design and for the optimization of process parameters.
本文提出了一种确定节理岩体力学参数的计算机模拟试验法。
A computer simulation method to predict the mechanical properties of jointed rock mass is pre-sented.
采用光线追迹法模拟计算出单个二极管在不同抽运参数下直接抽运激光棒时,激光棒所吸收的抽运光功率的分布。
The pump power distribution in the single diode directly pumped laser rod with different pumped parameters is simulated using the method of ray trace.
针对换热器的失效分析,考虑几种主要参数的不确定性和随机性,应用蒙特卡罗模拟法抽样计算了服从某种特定分布的随机变量。
Through failure analysis of heat exchangers and in consideration of uncertainty and randomness of several main parameters, the random variables are calculated by Mote-Carlo modeling.
该算法运用该文提出的非单调启发式模拟退火搜索法实现网络权值和参数的快速搜索。
Based on the search technique of non-monotone heuristic simulated annealing proposed, the algorithm realizes fast search of network weight and parameter.
用有限元法模拟了光纤结构参数与传输性能间的关系。
The relation between optical fiber structural parameters and transmission properties is simulated with finite element method.
采用空间梁格法模拟扁平钢箱梁局部顶板子结构,分析顶板各个参数对其承载力的影响。
Adopt space grillage method simulation Flat Steel Box local roof substructure, it is analysis various Parameters that effect the Bearing Capacity of roof.
利用模拟软件,运用正交试验法对影响预冲工艺孔板料成形性能的参数进行研究,得出各参数对该情况下成形性能影响程度的规律。
The paper studies the parameters affecting the forming of sheet with punching hole by simulation software and orthogonal experiment, and concludes the law of the parameters affecting the forming.
首先采用摄动法从理论上推导出时滞动力系统的分叉响应方程,再采用数值模拟的方法研究了时滞参数对系统分叉响应的影响。
Perturbation method is used to obtain the bifurcation equation with time-delays, and numerical method is utilized to analyze the effect of time-delays on the steady state response.
文中着重研究了模拟试验等效条件、磨损试验数据取值法和模拟试验参数的选择。
To verify the correctness of the method, the test results in the lab were compared with those in the paddy.
本文提出依据随机参数的均值和标准差取值,将各随机参数取值组合后再用模拟法计算失效概率。
This paper proposed that according to random variables mean value & standard deviation, its values are determined and are combined, then the failure probability is calculated by simulation.
最后在模拟测试之下,利用最大概似估计法求得各参数的误差、均方根误差、参数之上下界限以及涵盖。
Simulation results show that the maximum likelihood estimates perform well in most cases in terms of the mean bias, errors in the root mean square and the coverage rate.
本研究采用蒙特卡洛法模拟一组两参数韦伯分布函数,生成逐日平均风速。
In this paper, the average daily wind speed is generated from a set of two parameter Weibull distributions by Monte Carlo method.
本文提出用优化模拟电荷法结合优化增量方程,通过交替修正优化电荷的电量和位置参数来优化电极形状。
In this paper a new approach for optimising electrode contour is described, which combines the correction of coordinates and magnitudes of optimization charges with Optimized Charge Simulation Method.
本文作者采用数学模拟法求出这些参数值。
In this paper, the author attempted to obtain these characteristic parameters by using mathematical models.
通过对机电系统相似模拟法探讨,利用四端参数法解决了粉碎机主轴扭矩响应求解问题。
This paper discusses the similarity method of imitating mechanical and electrical system, and with the help of four terminal parameter it also analyzes the main shaft torque response of grinder.
最后利用微元法得到了射流流量随时间变化的函数关系式,并和数值模拟值进行了对比,分析了各设计参数的影响。
For the end, an equation of mass flux of jet about time deduced by the differential element method was compared to CFD results, and the influence of design parameters was analyzed.
根据单电子系统半经典模型,采用蒙特卡罗法单电子模拟程序对电容耦合的类CMOS单电子逻辑单元在不同参数条件下的转移特性进行数值模拟。
According to the semi classical model, the transfer characteristics of CMOS type single electron digital logic cells were analyzed by the Monte Carlo simulation.
通过有限元法三维数值模拟,对方坯连铸软接触结晶器系统中的电磁参数进行了计算。
Some electromagnetic parameters in soft contact continuous casting mold of billet were analyzed through 3-d FEM numerical simulation method.
通过有限元法三维数值模拟,对方坯连铸软接触结晶器系统中的电磁参数进行了计算。
Some electromagnetic parameters in soft contact continuous casting mold of billet were analyzed through 3-d FEM numerical simulation method.
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