查询词典 numerical calculation

On the research of refloating engineering calculation model, the present absent calculation method of stranded ships turning and refloating resistance was mostly lucubrated, the calculation formula of stranded ships turning and refloating resistance was deduced.

在脱浅工程计算模型研究方面，重点对现行脱浅工程计算方法中缺少的搁浅舰船转向与出浅阻力计算方法进行了深入研究，推导出了难船转向与出浅时阻力计算公式。

Based on existing partial stability calculation procedure, a new calculation system of stability was developed. After the calculation of resistance and stability, new systematic analysis method for drafting towing scheme of BFP was put forward for the first time, and presented the towing scheme of type B BFP. The analysis method can be widely used in the systematic analysis of ocean large-scale structure towing with pontoons.

在现有部分稳性计算程序基础上，开发了新的稳性计算系统；基于该稳性计算系统和阻力计算，本文首次提出了制定新型桶形基础平台浮筒拖航方案的系统分析方法，并给出了B型桶形基础平台的拖航方案，该分析方法可广泛应用于海上大型结构物浮筒拖航的系统分析中。

Excel software can be used to realize the automation of interpolation calculation,that is,preparing a calculation table of tank capacity with Excel software,storing the value of tank capacity into the calculation table,thus the corresponding volume data can be obtained only after inputting the data of liquid level,with prompt and accurate .

使用Excel软件可以实现内插计算的自动化，即用Excel软件制作一个罐容计算表，并将罐容表值存入计算表中，只要输入油高即可得出对应的容积值，迅速而准确。

From combining internal force calculation with design detailing, some calculation simplifications and hypotheses are first presented, then a calculation method and corresponding formulas of internal forces for elliptical spiral stairs are derived.

采取计算与构造相结合的方法，进行必要的计算简化和假定，在椭圆形旋转楼梯的内力计算时，把固定坐标变换成动点坐标，推导相应的计算公式。

Considering the nonlinear and Elastic-Plastic and anisotropy trait of soil, the method of numerical analysis can reflect the relation between abreaction of pore press and framework distortion of soil and can simulate the fact of field and complex boundary condition and so on. So the method of numerical analysis has been abroad used in the area of theory research.

数值分析方法可以考虑到土体的非线性、弹塑性和各向异性等特点，能准确地反映出孔压消散与土骨架变形之间的关系，而且可以较好地模拟现场实际情况以及复杂的边界条件等，因此在理论研究领域得到了比较广泛的应用。

To investigate the thermal protection effects of a heat sinking vest with phase-change material in high-temperature and high-humidity environment and the feasibility of numerical computation of heat transfer to the vest, based on the analysis of heat and mass transfer characteristic about the accouterments, a thermodynamic model was set up with the enthalpy method. The uniform energy equation was constructed for the whole domain, and the implicit difference equation was used in every node, the distribution of enthalpy was solved by numerical method.

为了研究相变材料降温服在高温高湿条件下的热防护性能和相变材料数值计算方法应用于降温服传热计算的可行性，在分析服装传热传质特点及计算方法的基础上，利用焓值分析法对服装中的相变材料建立传热模型，在整个区域建立统一的能量方程，在区域结点进行离散，并进行隐式求解，得到焓的分布。

Furthermore data assimilation experiments are conducted with MM5 Adjoint-model Assimilation System made by adjoint codes. With a case of heavy rainfall taking place from 00h July 23 to 00h July 24,2002, several numerical simulation experiments of different schemes are performed. The results are as follows. MM5 Adjoint-model Assimilation System not only can improve the initial field effectively and promote the coordination with the model but also can enhance the forecast on the precipitation and other elements. The assimilation of CDW has an improvement on quality of upper wind. The effect of direct numerical simulation with utilizing the CDW to amend the initial field gains the advantage over the one not.

结果表明，MM5伴随模式同化系统能有效改善初始场与模式的协调能力，提高模式对于降水场和其它要素场的预报；使用云导风资料修正初始场后直接模拟的效果比未使用时直接模拟的效果要好，对部分区域的强降水预报精度有一定程度的改善；使用伴随模式同化系统后，加入云导风资料的同化试验对其它要素的改善与直接同化常规资料的效果相比，改善优势不明显，但从各要素的误差来看，对于风场的改善最好。

To reduce the large numerical dispersion error for the alternating direction implicit finite-difference time-domain method, an isotropic ADI-FDTD method with low numerical dispersion error was presented.

针对交替方向隐式时域有限差分方法数值色散严重的缺点，提出了一种低数值色散的各向同性ADI-FDTD方法。

The numerical ex-periment has shown that the number of iterations depends significantly on the positiveparameterα,β. But, in general, it is di?cult to choose a proper parameterα,β. Thuswe propose new self-adaptive alternating direction method which adjusts the scale pa-rameter automatically per iteration based on the message of the iterates. We have provedthe convergence of the method under mild assumptions.Finally, we present some numerical results.

对于我们提出的新交替方向法，数值实验表明，迭代的步数与时间与所取的参数α，β有关，然而我们很难去选择一个合适的参数α，β，因此我们提出新自适应交替方向法，对其中的参数α，β进行自适应调整，这种自适应算法根据每步迭代信息自动地调整参数α，β，并证明了算法的收敛性。

The angular distribution of the bistaticscattering coefficient of HH polarization were obtained by numerical implementation. Influences of the permittivity and the mean layer thickness of intermediate medium, friction velocity and the frequency of the incident wave on the bistatic scattering coefficient were discussed. The basic characteristics, the zonal characteristics and the characteristics with varying of frequency of the scattering coefficient from stratified sea surface were obtained. The numerical results show that the scattering coefficient has approximate "quantization" characteristics.

通过数值计算得到了HH 极化双站散射系数随散射角的变化曲线，讨论了中间介质介电常数和厚度、摩擦风速和入射波频率对双站散射系数的影响，得到改进的一维分形分层海面散射系数的基本特征、分区特征和随频率变化的特征，结果表明散射系数近似具有"量子化"特征。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切