基于再生核方法,温度分布的精确表达式和稳定的数值算法被给出。
The exact expression for the solution and stable numerical algorithm are given based on the reproducing kernel method.
提出了基于时域有限差分算法的计算无限大导体和介质薄片电磁屏蔽效能的电磁场数值计算方法。
An electromagnetic field numerical method is put forward to analyze shielding effectiveness of the infinite thin conductor and dielectric sheet based on the FDTD.
本文依据模糊变分原理以及峰型模糊数的运算法则,建立了模糊结构分析的数值理论和方法。
This dissertation established numerical methods in the fuzzy structural analysis on the basis of fuzzy variational principle and peak fuzzy number.
“双网格”方法和相应的算法为非均匀边界条件控制下河道演变的数值模拟提供了保证。
The dual grid method can provide a useful tool for numerically simulating the fluvial processes with non-uniform boundary conditions.
提出一种估计复杂网络幂律度分布和层次聚集函数标度指数的新方法,并给出求解这些指数的数值算法。
A new method and corresponding numerical procedure were introduced to estimate scaling exponents of power-law degree distribution and hierarchical clustering function for complex networks.
数值模拟和试验研究表明LTI改进算法是一种有效的射线追踪方法,能追踪回波,适合复杂对象的层析成像。
Numerical simulations and experiments show that improved algorism of LTI is effective to trace rays including back waves and suitable for computerized tomography to complex object.
针对已有计算方法的不足之处,提出了一种各种状态下悬索桥主缆线形的精确数值算法和索股、吊索长度的计算方法。
In view of the drawbacks of the existed methods, an accurate numerical analysis method to calculate the cable shape in various cases and the length of cable strand of suspension Bridges is presented.
在此基础上,将数值模拟技术和优化算法相结合,提出了基于数值模拟技术的浇口位置的优化方法:经验搜索法。
The numerical simulation methodology and optimization algorithms are integrated to optimize gate location of mold design. A new optimization method of experience search is founded.
给出一种新的非单调信赖域方法,证明了算法的全局收敛性和超线性收敛性,最后给出了数值结果。
A new nonmonotonic trust region method is given in this paper. And its global convergence and superlinear convergence are proved. Numerical results are given.
我们知道有限元方法以及辛算法和多辛算法是解偏微分方程数值解的重要方法。
We all know that both finite element method (FEM), symplectic algorithm and multi-symplectic algorithm are powerful tools to solve partial differential equations numerically.
在此基础上提出求解最优存储策略和最优价格的方法,并运用遗传算法进行数值计算和分析。
Then a method for computing the optimal inventory policy and the optimal price are obtained based on the genetic algorithms. Finally, some numerical analyses are made.
其次,大规模的数值模拟计算对于计算方法的稳定性和计算网格的品质提出了更高的要求,推动了算法的稳定性和流体计算中计算网格的优化研究。
The second is that the large scale computing requires more strict stability, which has activated the study of the stability of algorithms and the mesh optimization for ALE simulation.
该方法特别易于计算机实现,理论分析和数值实验结果表明了模型和算法的可行性和有效性。
Theory analysis and primary numerical results illustrate that maximum entropy method for support vector machines is feasible and effective.
数值仿真表明,以之为基础的自适应预测算法在一步预测性能和长期预测能力方面都优于常用的线性预测方法和已有的自适应预测算法。
Simulations show an enhanced performance on both one step prediction error and maximum attempted time, which outperforms the linear prediction and some existing adaptive ones.
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。
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.
为了建立波纹板屈曲的数值分析方法,对复合材料波纹板在剪切载荷作用下的屈曲进行试验、工程算法和有限元方法研究。
The main purpose of this paper is to establish a numerical method for the buckling of composite corrugated panel under shear loads via experiments and computations.
提出了一种基于图像处理算法和频域有限差分法相结合研究实际光子晶体光纤的数值分析方法。
A finite difference frequency domain method (FDFD) is presented to analyze the propagation characteristics of waveguides with imperfect conductor and rough surface.
算例结果表明,混沌优化方法比常规的数值算法和遗传算法更为优越。
Calculation results showed that chaotic optimization method was superior to conventional methods and genetic arithmetics.
通过FIR数字滤波器卷积和操作的计算机数值仿真表明,采用这些方法运算得到的结果与传统二进制算术编码算法完全等效,可应用于混沌信号处理系统。
By computer simulation with convolution sum of FIR digital filter, the results show that the model is the same as traditional binary coding arithmetic which can be used in chaotic...
数值计算结果表明该方法显著优于遗传算法和牛顿法。
The numerical computing results show that the algorithm is distinctly superior t…
数值计算结果表明该方法显著优于遗传算法和牛顿法。
The numerical computing results show that the algorithm is dis…
数值计算结果表明该方法显著优于遗传算法和牛顿法。
The numerical computing results show that the algorithm is dis…
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