数值解
- 网络numerical method;numerical;a numerical solution
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Fourier型问题的数值解
Numerical Solution of Fourier 's Problem
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矩阵Lyapunov方程的直接数值解
A Direct Numerical Solution of the Lyapunov Matrix Equation
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通过一阶迎风格式及QUICK格式,求解出该模型的数值解。
The numerical simulation of this model was analyzed through first-order upwind difference scheme and QUICK scheme .
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对stiff和高振荡常微分方程组的数值解一文的改善
An improvement on numerical integrations for stiff and highly oscillatory differential-equations
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粘性流场三维NS方程有限体积法数值解
A Three-Dimensional Finite Volume Navier-Stokes Solver for Computing Viscous Flowfield
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MOS器件电离辐照瞬态光电流的数值解
Numerical solution of transient photocurrent in ionizing radiated MOS device
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超声速翼-身组合体Euler方程数值解
Euler Solution for Wing-body Combination at Supersonic Speeds
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四种常用构件的标准载荷及其J积分数值解
The Normalized Loads for 4 Kinds of Commonly Used Components and the Numerical Solution of Its J Integrals
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通过有限差分法求解了焊接熔池波动频率与焊接熔池半球体半径R之间关系的数值解。
Using the finite difference equation , the numerical solution of the relationship between the vibration frequency and radius R of hemispherical welding pool was solved .
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二维N-S方程的有限分析数值解
Numerical Solutions to Two - dimensional N-S Equation With FAM
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振动翼型跨音速非定常Euler方程数值解方法
Numerical method for solving the Euler equation for unsteady transonic flows over oscillating airfoilss north-western Polytechnical University
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Galerkin方法是基于变分原理基础上的一种把微分方程或积分方程转化为等价的变分方程,通过离散变分方程求原方程数值解的方法。
Galerkin method based on the variation principle is used to solve differential and integral equations .
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流体力学中的差分方法(Ⅳ)&低Mach数流动的数值解
Difference methods for fluid dynamics ( iv ) - numerical solution of low Mach number flow
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二维空气动力学方程组分三片Riemann问题的数值解(Ⅰ)初值分布只含接触间断
Numerical solutions of Riemann problems in three-pieces for 2-D gas dynamics systems (ⅰ) only contain contact discontinuities
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两种方法检测HBV差异无显著性,但传感器检测法所用时间更短,且无需进行探针的标记。最后结合实例进行计算,数值解验证了本文方法的有效性。
No significant difference existed between two methods according to statistic analysis , but less time was used and no probe should be marked at biosensor method .
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用covolume方法求解压力方程中变量u的数值解uh,并给出误差估计。
We employ the covolume method to the pressure equation to obtain the numerical solution uh to the variable u and achieve error estimates .
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Fokker-Planck方程的数值解
Numerical solution of the Fokker - Planck equation
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本工作的分析表明:文献[1]给出的CT试样KI数值解比文献[2]要精确一些。
Analysis carried out in present work shows that the numerical results of the K_I for CT specimens given in [ 1 ] is more accurate than those : given in [ 2 ] .
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对非线性介质串级结构的Z扫描特性进行了分析,分别给出了解析解和数值解.论文首先对语音编码的各种方案进行了比较,并对G。
In this paper , Z_ scan characteristics of the cascade structure of nonlinear media are analyzed , analytic and numerical solutions are obtained . The characteristics of G.
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该模型采用混沌扰动的BP算法训练网络,其计算结果吻合于数值解,和数据库计算方法相比,提高了计算效率。
The neural network is trained by chaotic BP algorithm . The solutions of network model are almost identical to numerical computation , and the running efficiency is increased compared with database computation method .
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为研究线性方程组的数值解,文章用直接解法、雅可比迭代法、高斯-赛德尔迭代法进行了近似计算,并给出在MATLAB中计算的程序。
To study numerical solution of the linear equations , the article presents direct method , Jacobi iterate method and Gauss-seidel iterate method to approximately calculate , and has given its process in MATLAB .
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在此基础上,计算了Ω型、C型和U型波纹管在纯弯矩作用下的变形和应力分布,所得结果和已有的解析解、数值解相符。
Finally the stresses and angular rotations of the bellows with the Ω - shaped , U-shaped and C-shaped profiles under pure bending moments were computed , and the obtained results coincide with those of the related analytical and numerical solutions .
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从雷诺应力模型出发,通过求解雷诺平均N-S方程组获得三维湍流流场的数值解。
Based on the Reynolds Stress Model , the three-dimensional flow field was numerically simulated using the Reynolds averaged N-S system equations .
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对动应力进行傅里叶级数逼近,取前N项傅里叶级数为动应力数值解的近似值,进而分析频域特性。
The dynamic stress is approached by Fourier series . The first N terms of Fourier series are taken as the approximate value of the dynamic stress figure solution , and furthermore , the frequency field characteristics are analyzed .
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本文应用凯恩方法建立通用6R机械手的动力学方程,使之适合于用计算机进行数值解。
Derived by Kane 's method , equations are adapted to get numerical solution on computer .
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应用NormalForm理论,首先分析了复摆自治系统在1:1内共振临界点附近的Hopf分岔解及其在参数平面上的分岔转迁集的解析表达式,并与数值解进行了比较;
By employing the normal form theory , the Hopf bifurcation and the transition boundary of an autonomous double pendulum with 1:1 internal resonance at the critical point is studied . The results are compared with numerical solutions .
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研究二维跨、超音速无粘性流动的Euler方程区域分解方法、并行算法及其应用。通过内边界耦合条件实现相邻子区域解的光滑过渡,以得到总体流场的数值解。
The domain decomposition method and the parallel computing method are applied to a two dimensional Euler solver for transonic and supersonic flow using a PVM parallel environment .
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三阶Boussinesq方程的孤立波解比低阶方程的孤立波解更接近完全非线性的数值解。
The solitary wave solution to the third order Boussinesq equations may give a better result than that to the lower order equations .
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指出BP学习算法的迭代式与相应的微分动力系统数值解Euler方法在一定条件下等价,且二者在解的渐近性方面是一致的。
It is proposed that the iteration formula of BP algorithm is equivalent to Euler method of differential dynamic system under certain conditions , and the asymptotic solutions of the two formulas are consistent .
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在回归出单井平均相对渗透率曲线的基础上,通过求两个偏微分方程的数值解,求出了径向上的含油饱和度分布、地层渗透率K和平均地层压力;
Based on regressing the curves of average relative permeability in single well , that the oil saturation distribution , permeability ( K ) and average formation pressure have been gotten through seeking numerical solution to this two equations .