查询词典 coupling coefficient

Using the coordinate transform method, the strain tensor transformation relation and the objectivity hypothesis, the rational forms of Darcy' law in both spatial description method and material description method are derived respectively, as well as the seepage coefficient expression for large-strain deformation coupling.

采用坐标和应变张量变换方法以及客观性假设，分别导出Darcy定律在空间和物质描述两种情况下的合理形式，同时还推导变形耦合情况下大变形法渗透系数的表达式。

The simulative model of temperature field and stress field in concrete , Heat and moisture coupling、Parallel simulative calculation of concrete with water pipe cooling、 Parallel feedback analysis of thermal characteristic parameters, and stress intensity factor of induced joint, which are the sixty-four-dollar questions, are studied in this dissertation. The main contents of this dissertation are as follows:(1)Based on the past and current research work, the calculation theory of the transient temperature field and creep stress field of mass concrete which self temperature influence is considered is deduced. The couple effect between the temperature field and humidity field of concrete, is considered on the basis of conservation law of water and energy, and the coupled formulation which coefficient is not constant of the heat and moisture in concrete is deduced. The calculation theory and model which is theoretically strict for solution to thermal problem in concrete with water-cooling pipes are recommended.

本文主要针对混凝土的温度场应力场仿真计算模型、热湿耦合、水管冷却问题的并行仿真、混凝土温度参数并行反演分析以及诱导缝应力强度因子计算等混凝土大坝温度应力数值仿真的关键技术进行了较为深入的研究，全文主要内容如下：(1)在现有研究基础上，推导了考虑自身温度影响的混凝土非稳定温度场和徐变应力场的计算理论；基于水分质量守恒和能量守恒原理考虑混凝土温度场和湿度场的耦合作用，推导了混凝土的变系数热湿耦合方程，并建立了相应的计算模型；引用严密的水管冷却混凝土温度场的计算理论和计算模型，比较了两种简化计算方法用于水管冷却混凝土仿真计算的不足。

Obtained material temperature field and thermal coupling coefficient and so on.

本文利用有限元的理论，对连续激光对金属材料的热传导过程进行了数值模拟，得到了金属材料的温度场分布和热耦合系数等结果。

Formula of coupling coefficient of the whispering gallery modes dielectric resonator with dielectric image guide is derived. Results obtained show good agreement with reference.

本章还根据边廊模的角向行波特性导出了边廊模介质谐振器与介质波导间的耦合系数表达式，并对其进行了数值计算，所得计算结果与文献结果相吻合。

is presented allowing the adaptive simulation of tubofan compone nt performance adapting to engine particularities.The method can provide accurate simulation for component maps using nonlinear simplx optimization with primary performance particularit ies' function as objective function and coupling coefficient as optimized parameters.

本文以航空发动机部件通用特性为基础运用单纯形优化方法，以发动机主要性能参数和过程参数偏差函数最小为优化目标，以部件特性耦合因子为被优参数，发展了一种预测发动机部件特性的自适应模型方法。

In our experiments,the propagationvelocity and the coupling coefficient for the high-velocity surface acoustic mode ismeasured on a free surface as well as on a metalized surface.

在实验中，采用四种经常使用的压电晶体，对这种表面高速模式进行声速和耦合系数的测量，分别在自由表面和金属化表面进行。

Considering seep, on foundation of stress coupling theory, use water to spend dam of force of overweighted law counterpoise and its ground system again the condition getting power in running a course actually undertakes numeric imitate, provide realer enumerated data for choppy criterion thereby, right overweighted coefficient and traditional convergent criterion criterion do comparative analysis.

在考虑渗流—应力耦合理论基础上，采用水重度超载法对重力坝及其地基系统在实际运行过程中的受力状态进行数值模拟，从而为突变判据提供较实际的计算数据，并对超载系数和传统的收敛准则判据做对比分析。

It has been found that the system could appear steady and maximal entanglement state periodically through modulating the squeezing coefficient, the coherent amplitude factor and the ratio of detuning to coupling constant.

发现调控光场压缩参量、相干态振幅参量及失谐量与耦合系数之比，可以得到系统稳定的最大纠缠态，且此态具有明显的周期性。

The main reasons and its correlated factors of the photoacoustic signal had been quantitatively analyzed based on signal absorption and photoacoustic rationale. It is found that the changed coupling coefficient of sound source and optical cavity modes which caused by the intensity of incident light absorbed by gas sample is the major reason, and a criterion was put forward for signal saturation depth estimating.

基于气体吸收和光声光谱原理定量分析了光声信号饱和的主要原因及影响因素，分析表明气体样本对入射光强吸收而导致的声源与本征共振模式的耦合系数改变是异常饱和的主要原因，并导出判定光声信号饱和深度的准则以用于判定高浓度气体饱和深度。

Effects of laser pulse energy on coupling coefficient of laser propulsion .

脉冲能量对激光推进中冲量耦合系数的影响。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。