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In the two-dimensional simulation, the fully implicit difference scheme is used for the continuity equations to ensure numerical stability; Jacobian iteration is used to solve the difference equations, and only nonzero elements in the coefficient matrixes of these equations are dealt with, which reduce the requirement for memory and shorten the calculation time.

在两维模拟计算中,对连续性方程采用全隐式分方案以保证数值稳定性;运用雅可比迭代法求解分方程组,并且在求解过程中,只对分方程组系数矩阵中的非零元素进行处理,因此减少了对内存的需求量,而且缩短了计算时间。

To price the continuously sampled arithmetic average Asian option, an implicit upwind difference scheme is constructed based on the final boundary value problem of partial differential equation, which is satifiable to the option pricing problem. Then the unique existence and unconditional stability of the difference solution are demonstrated and the error estimate is given under the discrete L2 norm.

研究连续取样的算术平均亚式期权定价问题的分方法,根据问题所满足的偏微分方程终边值问题,构造出一种隐式的迎风分格式,论证了分解的惟一存在性和绝对稳定性,并给出分解在离散L2范数下的误估计。

In this paper, a high order accuracy difference method is presented for solving unsteady convection diffusion equation by using Implicit Perturbation Finite Difference scheme. Firstly, we use the steady convection diffusion equation, the constant coefficients of this equation are expanded to power series of grid-spacings, then the high-order Perturbation Finite Difference scheme is obtained by determining the coefficients of the power series. Put this scheme on unsteady convection diffusion equations and modified it, the IPFD scheme is constructed.

本文利用摄动分思想,对定常对流扩散方程中的空间微商系数进行摄动展开,展开幂级数系数通过消去摄动格式修正微分方程的截断误项求出,由此获得方程的隐式摄动分格式,将此方法应用于非定常对流扩散方程,并加以修正,得到该方程的修正隐式摄动分格式。

In the full-scale aero-elastic model test, it is observed that there exist more than one interval of poor aerodynamic performance, and the non-symmetric erection sequence, while increasing the aerodynamic stability at the very places where aerodynamic performance of symmetric erection sequence is poor, performs worse in some other intervals with a vertical flutter phenomenon.

在全桥气弹模型的风洞试验中发现,采用对称架梁施工方法,在施工过程中会存在颤振稳定性最的区间,并且这样的区间可能不止一个,而采用非对称架梁施工方法,固然在那些采用对称架梁施工时颤振稳定性较的区间处提高了颤振稳定性能,但却在另一些施工区间中表现出比对称架梁施工更的颤振稳定性能。

Depend on such works, we educe the infectant distribution of observations which include some outliers, and we summarize the method of outliers confirmation and outliers disposal which we had ever used.

在此基础上,推导了含有粗的污染分布情况,并总结了目前常用的粗定位和粗处理方法。

The existence of a nonnegative finite difference solution and threemonotone iterative algorithms for the computation of the solu...

主要内容包括利用三种单调迭代算法计算相应的分解,讨论非负分解的存在性和唯一性,讨论非定常问题分解的渐近性。

Using the similar single-difference mathematical model which is base on the character of GPS landslip monitoring to gain the distortion of the coast by dissolving at single epoch, can avoid the delicacy problem of the jumpiness detection and repair.

根据高精度GPS滑坡监测的特点建立的单历元直接解算监测点滑坡变形信息的似单模型,避免了周跳的探测与修复这一棘手问题;双模糊度的解算变得更为容易;避免了网平这一环节,有利于提高数据处理的响应速度;同时,该模型可适用于静态监测和动态监测两种监测模式。

That year my juniority is stupid, ever and in anger saying with him:"I can't miss again you hereafter", resulting in the regret of the lifetime.

本人打牌水平,为人,素质,修养,人品极,认识我的人算你们倒霉!!!

The poorer the liver function is, the lacker the efficacy of propranolol.

肝功能越,预防效果越;腹水患者的预防效果亦较

Figure 6.K=0.3,the percentage differential characteristic(the one left is superimposed differential currents algorithm;the right conventional algorithm,the same as follows

K=0.3,比率动特性(左边的为故障分量的比率动,右边为传统比率动,以下相同

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推荐网络例句

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气,收缩臀部肌肉;拱起身体,尽量抬起头来,右腿伸直朝向天花板(膝微屈,以避免肌肉紧张)。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化,但却比去年同期高8%。

However, to get a true quote, you will need to provide detailed personal and financial information.

然而,要让一个真正的引用,你需要提供详细的个人和财务信息。