查询词典 two dimensional

Support has been provided for that annulus fluid instances were numerical simulated with PHOENICS, PHOENICS is used to set up a numerical model of power-law fluid in a concentric annulus flow, by comparing the numerical simulation results for the axis velocity of the power-law fluid in a concentric annulus flow with two dimensional PIV experimental results.

为应用PHOENICS数值模拟环空管道内其它流体情况提供借鉴，利用PHOENICS建立幂律流体环空流动的数值模型，将同心环空幂律流体轴向速度数值模拟结果与二维PIV实验结果对比。

Olfactory sensory neurons expressing the same odorant receptor gene project to one or a few glomeruli in the olfactory bulb, thus forming an intricate two-dimensional olfactory map.

表达同种气味受体的感觉神经元投射到嗅球表面的一个或几个嗅小球中，从而在嗅球中形成一个精确的二维连接图谱。

The proposed method has the capability of predicting the performance of condenser including threedimensional effects due to the change of cooling water temperature and the multiple tube paths arrangement. The proposed algorithm is more suitable to the condenser of multiple tube-paths than existing method. The proposed method is applied to a N11220-1 condenser to demonstrate its predictive capability, the results indicate that condensation rate of each bay and the air concentration at gas offtake is quite different, which can not be predicted by two-dimensional method.

对N11220-1型凝汽器的一个实验工况的模拟表明，该方法的热流密度计算结果与实验结果吻合良好，证明方法是有效的，模拟结果还表明，由于冷却水温度沿程变化，沿轴向各个汽室的冷凝量和抽气口的空气浓度均有明显不同，而目前国内外仍在使用的二维模型程序无法考虑这些影响，计算精度较差。

Three different numerical iterative algorithms are developed and the accuracy and stabilities of them are compared. Tension and compression instabilities are studied and effects of Conservative Smoothing Approach and artificial viscosity on stabilities are discussed. Based on Taylor series expansion, Modified SPH method is proposed. The discrete forms of the function and its first derivative estimations of the kernel function are deduced in both one and two dimensional space.

讨论了三种不同的数值迭代算法对计算精度和稳定性的影响；分析了不稳定性产生的根源，包括拉伸不稳定和压缩不稳定，探讨了保守光滑算法和人为粘性对稳定性的影响；在Taylor展开的基础上提出了一种修正的SPH方法，并推导一维和二维情形下函数的核估计和函数的一阶导数核估计的离散形式，结果表明，二维情形下MSPH方法可以很好的改善边界粒子的计算精度。

The original inspiration came from paper folding technique, where one hand converts a two dimensional space into three dimensions, while the other hand ensures stiffness in the direction of the folds.

最初的灵感来自折纸技术，其中一方面转换成三维二维空间，而另一方面是要确保在折叠方向刚度。

We use our unitary basis on an operator algebra to study of representations of two dimensional functions and discuss certain convergence.

我们使用算子代数上的酉基来研究二元函数的代表，并讨论其收敛性。

Thirdly, the experiment setup of this kind of two-dimensional zero-reference grating is established. The arrangement of optical path, the design of circuit and the system software are presented in detail.

再次，搭建了二维零位光栅的性能试验和重复定位精度实验系统，对实验系统的光路布置，电路设计以及系统软件进行了详细的描述。

In order to investigate the effect of contact resistance on nugget growth and heat source distribution, an axisymmetric two-dimensional finite element model was developed to simulate the spot welding of aluminum alloys.

为了研究铝合金点焊时接触电阻对点焊熔核形成和焊接热源分布的影响，本文采用二维轴对称模型，用有限元法对铝合金点焊过程进行了数值模拟。

To analyze the feature of dam-break flow in natural channel bends,channel-fitted orthogonal curvilinear coordinate system is established and two-dimensional shallow water equations are derived in this system through coordinate transformation,simplification and depth integration.

为分析溃坝波在天然弯曲河道中传播的特点，建立了跟踪河道走向的正交曲线坐标系，并通过坐标变换、简化和水深积分推导出了曲线坐标系下的二维浅水方程。

More broadly, the effect of any orthogonal matrix separates into independent actions on orthogonal two-dimensional subspaces.

更广泛的说，任何正交矩阵的效果分离到在正交二维空间上的独立动作。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。