In this paper, we prove existence of positive entire solutions of a class quasi linear elliptic systems.
本文讨论了一类满足初值条件的非线性椭圆型方程组正整体解的存在性。
The pressure equation for the liquid phase is obtained as which is a no-linear elliptic partial differential equation.
推导了喂料熔体流导率的计算公式,得出压力场的控制方程是一非线性椭圆偏微分方程。
In this paper, the strong extremal principles have been proved for second or der linear elliptic equations on the domain which satisfies an interior cone condition.
本文对一般的二阶线性椭圆型方程,在满足内部锥条件时,证明了其强极值原理。
Finally, we present the numerical results of a linear elliptic problem and flows around a fixed disk, and the comparison with body-fitted mesh results or experimental data.
文末给出了应用虚拟区域法得到的线性椭圆型问题、绕固定圆柱二维定常流动的数值结果,并与贴体网格上的结果或实验结果进行了比较以验证数值方法。
The finite element methods of a class of singular linear and semilinear elliptic and parabolic problems are considered and the error estimates in weighted L2 norm are derived.
考虑了二维奇异线性及半线性椭圆和抛物问题的有限元方法,给出加权L2 模的误差估计。
In this paper, the elliptic problems are discreted by linear elements, the finite element system are solved by PCG method.
本文用分片线性元离散椭圆型问题。用预处理共轭梯度法求解有限元方程。
According to the critical point theory, a class of problems of elliptic boundary value with an asymptotically linear term and singular term is studied.
利用临界点理论,研究了一类含有渐近线性项和奇异项的半线性椭圆方程的边值问题。
This system could precisely machine elliptic parts with high speed by the micro-reciprocating feed motion of linear motor and the high speed performance of electrical spindle.
结合直线电机的微量往复进给运动和电主轴的高速性能,实现了对椭圆零件的高速精密加工。
In chapter 3, we study the influence point mining of linear model under elliptic restriction, and show the corresponding statistical function and the outlier mining algorithm.
第三章研究了椭球约束下线性模型的影响点挖掘,给出了相应的统计量,并设计异常挖掘算法。
In this paper the directional characteristics of elliptic array antennas is studied and the fact that a linear array and a circular array is the especial cases of an elliptic array was proved.
对椭圆形阵列天线的方向特性进行了研究,证明了直线阵和圆环阵是椭圆形阵的特例。
Time-base method of PMAC and linear motor's micro-feed motion and electrical spindle unit's high-speed performance were used to accomplish high-speed grinding manufacture of elliptic parts.
研究PMAC的时间基数控制法 ,结合直线电机的微量往复进给运动和电主轴单元的高速性能 ,来实现非圆工件的磨削加工。
Time-base method of PMAC and linear motor's micro-feed motion and electrical spindle unit's high-speed performance were used to accomplish high-speed grinding manufacture of elliptic parts.
研究PMAC的时间基数控制法 ,结合直线电机的微量往复进给运动和电主轴单元的高速性能 ,来实现非圆工件的磨削加工。
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