| 1. | A new heuristic algorithm based on two equal terminals partition method for standard cell placement
基于改进等分节点法的启发式布局算法 |
| 2. | The bed resistance is obtained by express of the single - fluid model for debris flow
数学模型采用一种基于三角网格的显式差分格式?有限节点法。 |
| 3. | This model presents the modified nodal approach ( mna ) equations instead of the equivalent circuit of the structure
同时，它以描述系统的改进节点法方程( mna )代替了具体的等效电路。 |
| 4. | Changing basis function is an effective method . so , fixed nodes method which needs same numbers of points in every sub - domain is advanced
因此，本文首先提出了固定节点法。该方法要求在每个影响域内含有相同的结点数目。 |
| 5. | Simulation of power electronic motor drive system by modified nodal method is realized , and a simulation model of induction motor is presented on the basis of the park equation
在电机动态模型的基础上，推导了基于改进节点法的异步电机仿真模型，实现了对电力电子电机传动系统整体进行仿真。 |
| 6. | So it is very important to study the optimum design of city natural gas pipeline network system . the graph theory and method were applied in this paper . the method of joint was also put to use in the paper
本文运用图论的知识和原理对城市天然气管网进行最优化布局，运用节点法进行管网的水力计算，并充分地考虑了管径的优化问题。 |
| 7. | This method not only can deal with the problem of singularity , but can simplify the numerical process of interpolation function , based on the principle of minimum total potential energy , the formulas of pim are arrived
固定节点法不但可以方便地消除系数矩阵奇异问题，而且插值过程很简单。由势能最小原理，推导了点插值方法的控制方程。 |
| 8. | Firstly , a 1 - d flow numerical model based on the preissmann scheme , a 1 - d rivernet flow numerical model based on the direct solution method and a 2 - d tidal model based on the implicit scheme of finite difference method are programmed
本文首先建立了基于preissmann算法的一维水流模型、基于直接解法的平原河网模型和基于有限节点法的平面二维水力模型，在对各模型的算法进行推导的基础上自行开发了计算程序。 |
| 9. | The dynamic model of induction motor under - reference frame is approximated by its associated discrete circuit model with the trapezoidal algorithm , after linearized using the neoton - rapson algorithm , the contribution of induction motor model to the circuit " s nodal equation matrix is calculated
按照改进节点法的要求，异步电机采用-坐标系下的动态模型，使用梯形法求解微分方程，经过离散化和线性化，得出异步电机作为一个电路元件对电路矩阵方程的贡献。 |
| 10. | Then an efficient and more accurate nonlinear finite element procedure based on the plastic node method ( pnm ) by combining elastic large displacement analysis theories with a plastic hinge model is presented to analyze the ultimate strength , directly accounting for the geometrical and material non - linearity and the influence of initial deformation and residual stress
然后采用塑性节点法，考虑结构的几何非线性和材料的非线性双重以及各缺陷因素影响，分析了不对称船体结构的极限强度。通过与实验值的比较，说明简化方法与塑性节点法都能较准确预报极限强度。 |
