Although both of the two method have important learning value, but they are just fit for integral systems and can not be grasped by most people because of the complex calculation.
这两类方法虽然功能强大,但只适用于可积系统,且数学计算非常复杂而不能被大多数人掌握。
It is suggested that transformation relation between spatial local coordinate system and integral coordinate system be established by vector method, which simplifies coordinate calculation of to.
提出了运用向量法建立空间局部坐标系与整体坐标系的转换关系,从而使趾板坐标计算简捷方便,且易于设计修改。
To verify this method, comparing the result with direct integral, the difference is very small, but the calculation rate is efficient.
分析结果与直接积分进行对比相对偏差很小,验证了方法的正确性,同时使计算速度得到了提高。
Then, the complex integral calculation problem in the reliability model of stress and strength interference was simplified by using the Monte Carlo Simulation Method.
其次,采用应力与强度干涉模型和蒙特卡罗模拟法,解决了可靠度计算公式中复杂积分的计算问题。
Its basic calculation method is based on the adding integral, multiplication, division and so on, which can be easily completed by computer.
其基本计算方法是基于累加积分、乘、除等运算,这在计算机上极容易完成。
In numerical calculation, the paper employs the collocation method to compute the coupled boundary integral equations with quadrangle constant elements.
数值计算采用配置法计算耦合的边界积分方程,使用四边形常单元。
The direct problem was solved by DRBEM, which eliminated the drawback of domain integral for classical boundary element method and resulted in pure boundary integral calculation.
正问题采用双倒易边界元法求解,该法避免了传统边界元法需进行区域积分的缺点,仅需纯边界积分计算。
A practical method for formation of envelope surface is introduced in the paper. And a programmed calculation method for manufacturing integral impeller with a four-coordinate NC miller is presented.
介绍一种形成包络面(等距面)的实用方法,提出一种用四坐标数控铣床加工整体叶轮的程序计算方法。
Solutions of the boundary layer momentum integral equations of vanes in centrifugal pumps are given and their calculation method and their illustration with example are given too.
给出了离心泵叶片表面的边界层动量积分方程的解的构造及其计算方法,并以计算实例说明了该解的唯一性和算法的稳定性、收敛性。
Then the calculation formulas of stressed and unstressed cable length are required by the cable element length's integral method.
最后由积分法导出了主缆索有应力和无应力长的计算公式。
Due to intense oscillation of these integral, calculation using direct numerical integral, i. e., GPSS (the generalized point source synthesis method), is complex.
由于这类积分的强烈振荡性,直接数值积分,即通常的广义点源叠加方法(GPSS),计算比较复杂。
This expression avoids rounding error brought by numerical integral method and complex calculation of Laplace transforms.
该转换表达式避免了数值积分法求解蠕变柔量值产生舍入误差和采用拉氏变换的繁琐计算。
Part one includes Chapter 2. In this part, detail calculation to magnetic field distribution of spiral winding is taken by numerical integral method.
第一部分由第二章组成,在该部分用数值积分的方法对螺旋绕组磁场的分布进行了详细的计算。
The method of the definite integral by substitution is one of the main techniques among the definite integral calculation.
定积分换元法是定积分计算的主要方法之一。
Compared with the sectioned and graphic convolutions, the method is able not only to express directly the integral functions but to simplify the calculation.
该法与分段卷积法和图解卷积法相比,不仅可直接表达积分函数,而且又能简化卷积计算。
On the premise of a sure find of an optimal window size, The method utilizes integral image to speed up matching computation, so the calculation is independent of the window size.
在能够求得最佳窗口和正确视差的前提下,该方法多次利用整数图像来提高效率,使得计算量与窗口大小无关。
Gauss Integral method is populated due to its high algebraic accuracy in index calculation.
在指标计算中,高斯积分法以其代数精度高经常受到人们的青睐。
Simulation examples of integral show the algorithm is a validated method with high precision and powerful self-adapting. The algorithm has value in numerical calculation and engineering practice.
数值积分算例表明,该算法得到的积分值精度高,自适应强,是一种有效的数值积分方法,在数值计算和工程实际应用中具有一定的参考和应用价值。
The calculation of every fractions in Separating fraction and integral of rational proper fraction is reduced by the method.
从而大大简化了分式分项的计算,简化了有理真分式的积分运算。
The general method of calculation of E. M. sounding is that of numerical integral. But because of using summation instead of integral, it makes the calculation too slow and precision too low.
频率测深一维问题正演常用的计算方法是数值积分方法,但是这种方法由于利用求和代替积分使得计算速度很慢,精度也较低。
This paper indicates and proves the method of making use of symmetry to predigest calculation of cylindrical coordinates triple integral.
运用对称性简化计算柱面坐标三重积分,并给予证明。
Boundary element method (BEM) is a simple and effective numerical method to solve potential problems, but usually requires calculation of singular integral, even hyper-singular integrals.
边界元方法求解位势问题有效而简单,但通常需要数值计算奇异积分甚至超强奇异积分。
The calculation method of 3D elastic - plastic J - integral by using finite element method was explored, meanwhile, some key questions and techniques were introduced.
探讨了用有限元法计算三维弹塑性J积分的方法,并就一些计算的关键问题和技巧作了分析。
The calculation and figure treatment are programmed according to the integral method of the general limit equilibrium.
开发了普遍极限平衡数值积分解的计算和图形处理程序。
For the consideration of the fuzziness of limit states, the method of probabilistic integral is used for the calculation of fuzzy failure probability and fuzzy random reliability index.
对于极限状态的模糊性,基于概率积分法研究了模糊破坏概率及模糊随机可靠指标的求解方法。
Then, they discuss the method of adopting integral method to calculate the compressed area and give out the integral formula and its corresponding calculation result.
接着讨论了用积分方法求解压缩面积的方法,并给出了积分式及其相应的计算公式。
An integral method associated with direct and inverse mode is presented for the calculation of compressible turbulent boundary layer with separations over airfoil.
本文介绍了一种求解二维可压缩紊流分离边界层的正反积分方法。
Tt is suggested in this paper that the calculation of the gravitational anomaly is performed by boundary elements method, curvilinear integral is for 2-D object and surface integral for 3-D object.
本文提出用边界单元法计算重力异常,二维形体用线积分,三维形体用表面积分。
A new hydraulic design method and the numerical method of axial flow pump impeller are introduced. The integral equation for flow calculation of S1 stream surface of impeller is derived.
介绍了一种新的轴流泵叶轮的水力设计方法,推导了求解叶轮s 1流面流动的积分方程。
Especially, we give a calculation method for higher order singular integral by equation (3.1) when the wavelet function is unknown. At last, we create a convergence theorem.
特别是当小波函数未知时,借助于方程(3.1),对高阶奇异积分作数值计算,建立了收敛性定理。
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