查询词典 numerical computation

In this paper, a numerical computation of pressure on overline bridge surface by a high- speed train head is carried out with 3D Panel method.

采用 三维不可压缩势流模型和面元法，对高速列车通过时作用在跨线天桥表面上的气动压力进行了数值计算。

When using Runge - Kutta method in digital simulation for continuous systems, in order to ensure the stability of numerical computation and make simulation results having enough accuracy, the step - change strategy is usually adopted.

在使用龙格一库塔方法对连续系统进行数字仿真时，为了保证数值计算的稳定性以及仿真结果具有足够的精度，通常采用变步长策略。

The single-phase flow in fracture and cave is studied on the base of numerical computation and experiment.

用数值计算和实验的方法研究单个裂缝－溶洞中单相流动问题。

In Chapter Ⅱ,the problem of numerical computation for singular integralswith Hilbert kernel is studied.

第二章讨论带Hilbert核的奇异积分的数值计算问题。

Fundamental study on numerical computation for singular integrals withHilbert kernel and discrete Hilbert bo...

本文对带Hilbert核的奇异积分的数值计算和离散Hilbert边值问题作了一些基础性研究。

The recursive formulas of the spherical harmonics integral between every other order are proved to be fast and stable by numerical computation.

数值试验表明，球谐函数跨次递推算法具有快速、稳定的优点。

In the process of numerical computation of electromagnetic field, primary ending voltage is taken as constraint condition, primary starting current is iterated, and stating current and starting torque at rated voltage is obtained.

在电磁场的数值计算过程中，以初级端电压为约束条件，对初级起动电流进行了迭代计算，得到了额定电压下的起动电流和起动转矩，最后把正弦电磁场计算结果与实测结果进行了对比，表明直线感应电动机起动性能的计算结果满足工程实际的需要。

The symplectic schemes have the ability to preserve the global symplectic structure of the phase space for a Hamiltonian system. They have substantial benefits in numerical computation for Hamiltonian system, especially in long-term simulations.

辛算法正是保持Hamilton系统内在性质的一种新型数值方法，该算法在长时间的数值计算中，具有常见数值方法无可比拟的计算优势。

Then in order to improve the efficiency and accuracy of numerical computation, the author developed hybrid spline interpolation, automatically varia...

然后为了提高数值计算的精度和效率，作者又根据二次样条的特点，提出了杂交样条插值、可变节距样条求积和自适应的样条求导等新方法。

Second, it accomplishes numerical computation at different ignition temperature and combustion time of different coal quality in calciner.

本文的特色在于：一方面，针对水泥分解炉工况，首次在国内系统而全面的研究了煤的燃烧特性及相关规律；另一方面，实现了分解炉内不同煤质的着火温度和燃尽时间的数值计算，从而使水泥分解炉内，煤的燃烧理论研究朝着工程应用的方向迈进。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。