The finite element method is one of the efficient numerical methods to solve partial different equations (PDEs).
有限元法是解偏微分方程的有效方法之一。
Meanwhile, the analytical solution of FADE only can be obtained under specific conditions, i. e. steady state flow with step input. Using the numerical methods to solve FADE is the best choice.
同时由于只有在特定的求解条件下，才能获得FADE的解析解，因此利用数值方法来求解FADE是一个重要的研究方向。
Also this paper presents the structure of mathematical vessel-model and the existence and uniqueness of the solution and introduces a set of numerical methods to solve the smoothed-spline Surface.
探索和研究了数学船型构造及解的存在、唯一性，且建立了一套求光顺样条曲面的数值方法。
In present research on fracture dynamic problems, Laplace or integral transformation was generally used, and numerical methods had to be adopted to solve the loop integral.
在现有断裂动力学问题文献中，一般采用拉氏变换与积分变换方法，得到的回路积分最后还需借助于数值方法求解。
To solve the model above, numerical methods were analyzed and investigated thoroughly.
为求解该模型，对数值方法进行了研究。
Among the numerical simulation methods, the finite element method (FEM) is widely to solve the electric field with complex structure and multi-dielectric medium with high precision.
在常用数值求解方法中，有限元法以其通用性强，适用于结构复杂、多重介质复杂场域求解，且求解精度高等优点而被广泛用于电器电场的数值求解。
The numerical method is a mathematics branch, whose object of study is to solve the numerical methods of each mathematics questions by using the computer.
数值方法是数学的一个分支，它的研究对象是利用计算机求解各种数学问题的数值方法。
But there are some limits and many difficulties in numerical methods by using this method to solve contact problems.
此类方法对接触问题的处理都有一定的限制，且在数值方法的实现上相对较为困难。
Nowadays, many different numerical methods have been developed to solve the N-S equation.
对于描述流体运动的基本方程n - s方程，现已开发出了多种不同的数值求解方法。
It is difficult to solve it by traditional mathematic and mechanical methods, so the numerical value analysis is used.
经典的数学方法和力学方法对大多数接触问题都难以解决，需用数值计算方法来进行分析。
In the process of analyzing the transient state of wet nature gas pipeline, the analytic and numerical methods are adopted to solve the equations.
在进行湿天然气管道瞬态分析时，采用了解析法和数值解法进行求解。
It is still a great challenge to solve these problems efficiently and accurately with numerical methods.
如何准确有效地数值求解这些问题是一个很大的挑战。
This paper presents several numerical simulation methods to solve control equations on the effects of velocity, pressure and temperature fields.
论述了气辅流动模拟需解决的主要问题，例如气辅模拟中不同参数对成型的影响、预测缺陷、指导工艺及模具设计等。
Methods based on BP neural network and RBF neural network were studied to solve inverse kinematics. The training samples were obtained through off-line numerical method with high precision.
通过离线的迭代算法生成高精度的样本点来训练神经网络，使用动量法、变学习率法和共轭梯度法提高BP网络的收敛速度。
Compared with other numerical analysis methods, the finite element method is adopted to solve the problem, and the necessity of which is discussed.
在多种数值分析方法中，本文采用了有限元方法进行求解，对其必要性在文中作了详细地介绍。
Compared with other numerical analysis methods, the finite element method is adopted to solve the problem, and the necessity of which is discussed.
在多种数值分析方法中，本文采用了有限元方法进行求解，对其必要性在文中作了详细地介绍。
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