求解过程

First, a full three-dimensional numerical model is developed, which considering not only the rib resistance to the species, but both the single- and two-phase flow and transport in the gas channels and diffusers at both the anode and cathode sides of PEM fuel cell. Two sets of boundary conditions, one for a conventional flow field and the other for an interdigitated one, are presented. A detailed discussion of the numerical techniques for the PEM fuel cell model is given with a flow diagram to provide an overview of the solution procedure using FORTRAN language.

该模型考虑了双极板上流道间的筋部对于反应气体传递阻力以及电流密度分布的影响，从而使模型具有三维特性；建模过程中进一步考虑了流道和扩散层中可能存在的液态水，从而将现有的单相流动模型拓展成为两相流动模型，因此，该模型可以同时模拟电池内部阴极、阳极侧流道和扩散层中两相流动的发生和分布情况；分别给出了平行流场燃料电池和交指型燃料电池的边界条件；详细讨论的三维模型的耦合求解算法和技巧；用实验数据验证的该模型的准确性。

The method of miniaturing dielectric coaxial resonators was described. The structer of step-impedance can effectively reduce the length of a dielectric coaxial resonator, each length of a step-impedance coaxial resonator is usually calculated by solving resonatant condition equation, which is complicated.

阶梯阻抗结构可以有效地降低同轴谐振器的高度，阶梯阻抗同轴谐振器的各段长度一般是通过求解谐振条件方程式来确定，计算过程整琐。

To simulate the diesel engine working process, the most used models decouple the turbulent flow and the chemical reaction into two parts.

要对其工作过程进行模拟，目前使用最多的办法就是将湍流与化学反应解耦，分别进行求解，然后再将两部分结果耦合到一起。

During the work, the proposed method polymerizes single circle parameters efficiently to get the final global results.

在结果计算过程中，将单个直角三角形求解结果进行聚合，最终得到合理全局解。

The former is to formulate and model static for decision-making, while the latter is combined with the dynamic question soling process.

陈述性表示主要是的静态描述，对事实和规律的分析，知识表示与推理可以分开处理；而过程性表示，表示与推理结合，知识表示就是求解程序，是动态的描述。

4C_#sXN0 It's not only a developmenting trend of engineering design method, but also a physical necessity of structured design development that the system theory and optimization method being introduced into technical disign for traditional activated-sludge process.

在传统活性污泥法工艺系统设计过程中引入系统论思想及最优化求解的方法既是工程设计方法发展的趋势，也是结构化设计发展的必然。

Feasibility of this approach was analysed and composite algorithm was presented. Efficiency of this complicated process modeling was improved by solving time-related factors in the model with maximum addition algebra.

分析了该方法的可行性，给出了具体的合成算法和利用极大加法代数求解所建模型中相关时间的方法，从而提高了这类复杂过程建模的效率。

The sophon surge border irrigation with pipeline is simulated by compiling Matlab program.

利用牛顿-辛普森迭代法和双扫描法对该模型进行求解，用Matlab模拟虹吸式波涌管道畦灌的水流运动过程，所建立的模型能较好的模拟田面水流的运动状态。

By using the 2-D unsteady state heat transfer equation,the heat convection and radiation between the checker,the gas flowing through the checker holes and the heat conduction among the checkers in the chamber of the hot blast stove were studied.

应用二维非稳态热量传输方程，对高炉热风炉蓄热室内格子砖与气体之间的对流和辐射传热，以及蓄热体内部的导热过程进行求解，分析热风炉的不同操作制度对热效率的影响。

Dynamic variable pattern of charging flow rate was solved.

建立充油过程动态数学模型并进行仿真，求解无油流量的动态变化规律。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。