本文给出了解决二种特殊类型的欧拉非齐方程的比较系数法,使这类问题变得简单,并提供了许多方便。
This paper puts forward the comparative coefficient way in solving two special type of Euler equations, which can make it more simple and convenient to use.
数值计算的结果表明,共轭梯度法可以比较好的反演辐射系统的吸收系数。
The numerical results show that, the conjugate gradient method can solve the absorption coefficient well in one dimensional system.
本文对现有围护结构传热系数的测试方法做了分析与比较,以热流计法作为研究对象。
This paper compared and analyzed existing detection methods, then took Heat Flow Meter method as research object.
数值模拟的结果表明:用柔度曲率幅值突变系数法可以对钢桁架结构单个或多个结构同时出现的情况进行比较准确的判定。
The results of the simulation indicate that using the method of the sudden change coefficient of flexibility curvature, the single or multi damage of the steel truss were tested more precisely.
采用传统微扰法和基于圆柱曲面修正的微扰法,计算了实际粗糙面掠入射时的后向散射系数,并与有关测量值进行了比较。
Comparison of a set of measured data to numerical computations of the backscattering coefficients for actual natural rough surface by the classical and new perturbation methods were given.
对宽板弯曲变形过程进行分析,提出了弯曲过程中板坯外表面半径,板料厚度和变薄系数随板坯内表面半径变化的理论解,并与查表法和近似解作了比较。
By analyzing the wide sheet bending, the variations of theoretic radius values of outer surface, sheet thickness and thinned coefficient with radius of inner surface in bending were put forward.
论文以上高县为例,对“规程法”和“地统计学法”计算土地经济系数进行了比较分析。
With Shanggao County cited for the case study, the article made a comparative analysis of the calculation of land economic coefficient based on Rubrics and Geostatistics.
对于多回路控制系统,采用标准系数法,将使控制系统设计的工作量大为简化,且比较直观。
The standard coefficient method is an effective, simple and intuitional way for the design of multi-loop control systems to reduce the calculation loads.
文中对滤纸洗脱法的回收率、标准曲线、变异系数等均与直接分析法进行了比较。
The recovery rate, calibration curve, coefficient of variation of the filter paper method are compared with the direct analytical method.
采用修正渐近法研究了在力学中应用范围比较广泛的一类具有变系数二阶线性齐次方程,并求得了其修正渐进解。
A class of second orders homogeneous equations with varied coefficient widely applied in mechanics were studied using the amended asymptotic method, and the amended asymptotic solution was derived.
为了对钢桁架结构的损伤情况进行比较准确的检测,应用了柔度曲率幅值突变系数法。
For precisely testing the damage of the steel truss, the method of the sudden change coefficient of the flexibility curvature was used.
采用稳态比较法,对铁路碎石道碴层的导热系数进行了测试。
In this paper, the thermal conductivity of railway ballast is measured by steady comparison method.
最后通过能耗模拟,比较了动态计算方法和有效传热系数法的差别。
Finally through simulation of energy consumption, we analyze the difference between dynamic analysis method and the effective heat transfer coefficient method.
经方差分析比较证明,应用回归方程法计算的叶面积比用矫正系数法更为可靠。
The result of variance analysis revealed that regression equation method could give a more reliable result than leaf area correction coefficient method for the leaf area measurement.
同时,计算出了两种体系的位移风振系数,比较分析了等效静力法和时程分析法的计算结果。
In addition, this paper also calculates the displacement wind vibration of two systems, and compares the result of the equivalent static force method and the time domain analysis method.
通过分析比较,说明瑞典法、不平衡推力法都是极小值解,稳定安全系数最小;
The results show by the analysis and comparison, that the Swedish method and un equilibrium thrust method give low limit value with the least stability safety factor.
二阶常系数非齐次线性微分方程的特解一般都是用“待定系数”法求得的,但求解过程都比较繁琐。
In general, special solution of non-homogeneous linear equation of constant coefficient of the second order is obtained by the method of undetermined coefficient, but it's process is too complicated.
应用矿场资料,分析水侵强度的方法很多,压降动态法以及水侵体积系数法是比较常用的方法。
There are many methods for analysis of the water cutting intensity using field data. The dynamic pressure drop and the water cutting volume factor are usually used in the analysis.
利用刘易斯剖面法和有限元法计算船舶的水动力系数,将其与已有的实验结果和理论结果进行比较,得到了满意的结果。
The hydrodynamics coefficients are calculated by Lewis method and finite method, and we get satisfying results by compared with the results of experiment and theoretical calculation.
利用刘易斯剖面法和有限元法计算船舶的水动力系数,将其与已有的实验结果和理论结果进行比较,得到了满意的结果。
The hydrodynamics coefficients are calculated by Lewis method and finite method, and we get satisfying results by compared with the results of experiment and theoretical calculation.
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