查询词典 conduction

Based on equation of heat conduction, finite-element method is used to analyze temperature field of cable and provides witness for monitor temperature.

基于热传导方程和边界条件的基础上，采用有限元法对电缆温度场进行了分析，为监测电缆温度提供了理论依据。

Finally, the existence, uniqueness and convergence of solution to the original reaction diffussion system are obtained by the properties of heat conduction equation.

借助于热传导方程与反应扩散方程组的同解性，最终得到了反应扩散方程组解的存在性、惟一性以及收敛性。

The effects of three components of energy density on total energy density were analyzed. Furthermore, the energy density equation and the equation of heat conduction were compared.

根据小阻尼假设，推导了无限大板在简谐激励作用下能量密度的控制方程，建立了能量密度和声强之间的关系，得出了远场解的表达式。

In order to solve parabolic equation of heat conduction with interval parameters, the regions of space are discretized by finite elements and the regions of time are discretized by finite difference. The interval finite element method based on the element is established via the combination of interval analysis and the traditional finite element method.

对具有区间参数的热传导抛物型方程的求解，在空间域上利用有限单元离散，在时间域上利用差分离散，将区间分析和常规的有限元法相结合，建立了求解不确定温度场的基于单元的区间有限元方法。

A partial linear method is used to deal with non homogeneous nonlinear equation of heat conduction.

当激光波长λ=1 0 6 μm、功率密度i0 =70 0W /cm2 ，预热温度T0=5 2 3K时，经过 0 7秒，表面温度度升到 12 90K左右，再结晶厚度约为 0 5 μm

Based on the theory of thermal analysis,heat conduction equation of Nd:GdVO4 crystal slab double-side pumped by laser diode arrays was built.

以解析热分析理论为基础，建立了平板Nd：GdVO4晶体在激光二极管阵列双侧抽运时的导热微分方程。

In the simplified model, the governing equation of heat conduction is discretized using implicit finite difference method, and the computational domain is discretized using cell centered scheme, and the solution of Maxwell equation is used to determine the distribution of the internal heating sources.

使用的简化模型中热传导方程的离散采用隐式差分法、区域的离散采用内节点法，并以Maxwell方程的解确定内热源分布。

Then the basic fundamental and method of the computation of thermal load of the heated parts of internal-combustion engine are elaborated, the deflective differential equation of heat conduction, basic equation and boundary condition of the theory of thermo elasticity and numerical computation by FEA are introduced.

接着阐述了求解内燃机受热零部件热负荷的基本原理和方法，介绍了热传导的偏微分方程、热弹性理论的基本方程和边界条件确定的原则以及用有限元法进行的数值求解。

In order to solve the thermal effect problem of laser rod by diode laser end-pumped,based on the heat conduct theory,a novel eigenfunction group of heat conduction equation was established and the general solutions of temperature field and thermal distortion field within laser rod were obtained.

为了解决激光二极管端面泵浦激光棒引起的热效应问题，基于热传导理论，建构了热传导方程新的本征函数解，得出了激光棒内温度场与热形变场的一般解析表达式。

The nonlinear equation of heat conduction is transformed into a Laplace′s equation by applying the Kirchhoff transformation ,and an analytic approximate solution of the equation is derived.

当介质的导热系数是温度的函数时，热传导方程是非线性偏微分方程，作者采用基尔霍夫变换把它变成拉普拉斯方程，于是可以找到原问题的近似解析解。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。