The residual calculation shows that ARMAX model is reliable, and the identified result is correct.
残差计算表明,离散模型是可靠的,辨识结果正确。
The simulation results show that the new algorithm has better performance, less steady residual error and lower calculation complexity than conditional ones.
仿真结果表明,新的算法比传统的算法有好的性能和小的稳态剩余误差,并且大大减少了计算复杂度。
The paper has studied straightening stress and residual deformation of circular shaft by using elastic - plastic theory, deueloped calculation formula of straightening loud in given deflection error.
从弹塑性理论出发以圆截面轴为例对校正应力与残余变形进行了分析研究,提出了在给定弯曲误差下的校正载荷的计算公式。
Both thermal stresses and residual stresses are calculated according to thermal elastoplastic theory based on the calculation of temperatures.
并在求解温度场的基础上按热弹塑性理论计算了应力场及最终的残余应力。
Calculation shows that method of minimum residual error is better method to establishment of the discharge drawdown equations, and minicomputer can use simply in calculating process.
计算表明,最小残差法是建立稳定法涌水量经验方程的一种较好方法,计算过程在微机上易于实现。
In the evaluation of the residual stress by the crack compliance method, different interpolation functions and their fit order had great effect on the calculation results.
在应用裂纹柔度法计算残余应力时,插值函数及其阶数的选择对计算结果的精确性有着较大的影响。
The calculation on the residual capacity of RC beam post fire is on the premise that the member can use continue after repairing.
火灾作用后构件的剩余承载力的计算是以构件经修复后可以继续使用为前提的。
Tangential residual stress formula closely related to fatigue is verified. The result shows that theoretical calculation conforms to the test result.
对与疲劳寿命紧密相关的切向残余应力计算式进行了试验验证,结果表明:理论计算与试验结果基本符合;
The calculation method of residual carrying capacity is studied for the component enduring high temperature.
对高温后的构件,研究了构件剩余承载力的计算方法。
The generation of the residual voltage for asynchronous motor after AC Dump (RVACD) is analyzed, it establishes the simulation calculation model and carries out simulation calculation.
对异步电动机失电残余电压的产生进行分析,建立了异步电动机失电残余电压仿真计算模型,并进行仿真计算。
The paper then, from the Angle of practical engineering, presents the methods for analyzing the influence of residual stress and for the approximate calculation thereon.
文中也从工程实用角度,提出分析残余应力的影响及其近似计算的方法。
The analysis and calculation on operational pressure of the pipeline were carried out, then the residual strength of the old line was determined.
通过该评价方法对管道运行压力的分析计算,确定了东黄老线的剩余强度,为合理制定东黄老线安全工艺运行条件提供了科学依据。
Another optional control function is the calculation of the residual section resistance based on the measured vol "-tage contact line voltage and the test current."
另一个可选控制功能是对基于测得电压接触线电压及测试电流的剩余区间电阻进行计算。
ANAND viscoplastic constitutive equation was introduced into the FE model for calculation of the reduction of welding residual stresses during the post weld heat treatment.
将ANAND粘塑性本构关系引入到焊后热处理消除残余应力的有限元计算中。
The thermal residual stress was calculated by the finite element method. Both testing and calculation data proved the reliability of testing data.
采用有限单元法计算了反射镜坯体的热残余应力,通过对比验证了测试结果可靠性。
Based on the theory of fracture mechanics, the calculation of the residual life of machine parts, along with its practical implementation and precautions are stated.
叙述了以断裂力学理论为基础的对设备零部件剩余寿命进行预测的计算方法,指出了工程实际中的实施方法及应该注意之处。
A coupling calculation method for welding stress was developed by ABAQUS code. The residual stress for welded joint of P91 steel was simulated by the method above.
本文基于大型有限元软件ABAQUS,开发了一个顺次耦合的焊接应力计算程序,对P 91钢焊接接头的残余应力场进行了模拟。
Firstly, in the way of numerical calculation, analytical study on residual stress and deformation of different welding parameter which on same groove type's welded splice.
首先,本文采用数值计算的方法,对同种坡口形式的焊接接头进行了不同焊接工艺参数的残余应力及变形的分析研究。
Based on the principle of elasticity and strain misfit, a new calculation method of theoretical model to predict the residual stress distribution on optical thin films is put forward in this paper.
根据弹性力学原理,基于应变不匹配,提出了一种可以预测薄膜残余应力分配的理论模型计算方法,并将计算结果与干涉仪测量值进行了对比。
During the solution iterations, the residual change is used as accelerating factor to revise weight function. As a result, the number of iteration and the calculation time are decreased.
在求解迭代过程中,以残差变化量作为加速因子,修正权函数,减少了迭代次数,加快了算法的计算速度。
The temperature field and residual stress field of 3d single-layer welding and multi-layer welding were obtained, and the calculation results were discussed.
得到了三维单层焊和两层焊焊接温度场和残余应力场,并对计算结果进行分析。
13 accident, technical conditions of the tank car in the accident, design and calculation of the unloading joints, and safe unloading of the residual liquefied gas on the tank car in the accident.
介绍了“七一三”事故的概况、事故罐车的技术状态、卸车接头的设计计算及将事故罐车残留的液化石油气安全卸出的情况,并对目前正在使用的液化石油气罐车的各类安全附件存在的问题提出了修改建议。
A mathematical model for such a calculation and residual quantity equations are given with a detailed description of the equation simplification and solution method being presented.
详细地论述了方程的简化及求解的方法,并与单步迭代计算进行了比较。
Based on P-R equation of state and M-H81 equation of state with high accuracy, detailed calculation and analysis were made by utilizing residual function method.
利用精确度高的P - R状态方程和M -H81状态方程,采用余函数法对制冷剂的比定压热容进行了理论推算和比较分析。
Several theoretical calculation methods for residual kiss pressure during hydraulic tube expansion have been discussed in the paper.
重点对液压胀管中胀接残余接触压力的几种理论计算方法,进行了讨论分析。
The practical application has proven that the method is practicable and reliable and provides an efficient technical means for an accurate calculation of residual ore amount.
实际应用表明,该方法实用可靠,从而为矿山准确计算存留矿量提供了一种有效的技术手段。
The conclusion in this paper can be referenced for the numerical calculation of current in the case of composition of residual current and tidal current.
该文结论对余流和潮流共存情况下海流的数值计算具有推广价值。
The residual stress tests in actual welding also verify the calculation results.
焊址残余应力的实际测试也验证了计算结果。
The residual stress tests in actual welding also verify the calculation results.
焊址残余应力的实际测试也验证了计算结果。
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