In the process of problem solving, we adopt the concept of DOS to assess the network survivability and use the Lagrangean Relaxation method and the subgradient method to approach the optimal solution.

在求之中，利用“拉格兰日松弛法”与“梯度法”来帮助我们逐渐找到最佳。

The result was shown that the program runs quickly and in reliability ,It can replace the nomograph method and use easily for predicating sonic fatigue life of aircraft skin-panel structure .

通已有算例进行验证，结果表明计算迅速可靠，可以代替以列线图为主要手段求方法，广泛应用于工领域。

In calefactive phase, the electro thermal model of hot bridge wire was established, the calefactive time of invariable current fire case and capacitance discharge fire case were both studied.

在升温阶段建立桥丝电热升温模型，分别求恒定电流点火升温时间和电容放电点火升温时间。

Through the reduction of friction force and deformation force between the steel wire and die,the tensile failure problem of steel wire workblank during the stamping process was resolved.

膨胀管膨胀是一种高度非线性行为,析方法虽然可以近似求出变形力大小,但很难膨胀进行全面求。

By using active set strategy, the authors need only to solve a reduced trust region subproblem which is solved inexactly by the truncated conjugate gradient method.

作者利用有效集策略，在每次迭代中只需求一个低维信赖域子问题，该信赖域子问题是通截断共轭梯度法来近似求。

The one dimensional continuity equations of n-on-p planar PN junction are solved at different boundary conditions. Generalized solutions of photocarrier concentration are given in this paper.

摘要一维情况下平面PN结连续性方进行了求，给出了不同边界条件下光生载流子浓度一般形式，并结果进行了分析讨论。

Using the guantum mechanics method to describe the electronically nonadiabatic transition, the equation of the motion of the nonadiabatic transition probability amplitutes have been derived.

用量于力学方法描写非绝热电子跃迁．导出并求了跃迁几率振幅运动方，该方描写了共振态存在和驰豫现象。

A symmetrical ferromagnetic bilayer film is investigated under the nonperiodic boundary condition and considering anisotropic field at two surfaces,by using the rescaling interface approach.

在非周期性边界条件和在考虑表面各向异性场情况下,应用界面重参数化方法精求了两层称铁磁薄膜中低能自旋波本征问题。

Taking power law index non-Newtonian fluid as an example, a method of solving non-Newtonian three dimensional thermohydrodynamic lubrication of journal bearing is introduced.

以幂率流体为例，提出了一种求径向滑动轴承非牛顿三维热流体动力润滑性能方法。

Each objective function was nondimensionalized, and the multiobjective optimization function was solved by conventional weighting method.Sample point was appointed by uniform design.

每个目标函数进行无量纲化处理，采用传统线性加权法进行了多目标优化求。

Axisymmetric elasticity problem of cubic quasicrystal is reduced to a solution of a partial differential equation with higher-order by introducing displacement function.

本文通引入位移函数使得立方准晶轴称弹性问题化为求一高阶偏微分方。

It is indicated by experimention that the outcome of this algorithm is very efficient，especially in those problem who fulfil triangle inequation.

经实验表明，此类算法求近似度很高，尤其是在满足三角不等式问题中，误差更低。

The reluctivity matrix is obtained by using the trigonometric function transformation and the form of coefficient matrix is simplified.

该方法适用于任意阶多项式描述磁化曲线非线性谐波电磁场问 题求，并提高了计算精度。

Using distributed source model, this imaging problem can be formulated as an ill-conditioned and highly underdetermined linear inverse problem.

采用非参数分布源模型,磁源成象问题即为求一病态欠定线性方组。

The Distinct Element Method(DEM)is a discontinuum-based numerical method especially applicable to solve the discontinuity problems in jointed rock mass.

离散元法是基于不连续性假设数值方法,它特别适合于求节理岩体中非连续性问题。

A local search algorithm for minimizing a nondecreasing supermodular set function is presented,and its performance guarantee is probed.

给出了求一类具有简单约束上模集函数最小值问题一种局部搜索法,并讨论了所给算法性能保证。

We use Lagrangian Relaxation which is based on a scheme named Compath Decomposition to dualize the capacity constraints.

本文用基于复合路径分拉格朗日分算法求模型，把容量约束松弛后得到复合路径分法主问题和子问题。

An approximation algorithm is presented for minimizing a nondecreasing supermodular set function, and its performance guarantee is probed.

摘要给出了求一类上模集函数最小值问题一种近似算法，并讨论了所给算法性能保证。

And it gives the model of investment diversification of venture capitaland uses skiagraphy algorithm to solve it.

建立了风险投资分散模型，并运用投影算法其进行求。

The gust-cascade interaction noise was numerically simulated using computational aeroacoustics by solving the two-dimensional linearized Euler equations.

采用计算气动声学方法求二维线化欧拉方阵风与叶栅干涉噪声进行了数值模拟。