Moreover, for a parabolic variational inequality, we also propose a domain decomposition method for the Euler-Galerkin approximation of a parabolic variational inequality. It is proved that the convergence rate of the algorithm is independent of the space meshsize h and the time stepsize.
本文还研究了一类抛物型变分不等式区域分解算法，证明了算法的收敛性且收敛不依赖于空间格子尺寸以及时间步长。
A new nonlinear multistep method is constructed based on the implicit Euler method in this chapter, named Schur product multistep method.
本文在隐式Euler方法的基础上构造了一种非线性多步法，即Schur积多步方法。
The unsteady flow and heat transfer in pressure wave refrigerator is investigated numerically in the present paper. The Godunov scheme and control volume method are used to solve the 1D Euler integral equations and heat transfer equation respectively.
建立了振荡管内非定常流动与传热的数学模型，分别采用Godunov格式和控制容积法对气动方程及传热方程进行离散，得到了管内压力波形、气流速度及温度随时间的变化历程。
The second-order Godunov method based on adaptive unstructured grids is applied to solve two-dimensional Euler equations. Methods for the calculation of numerical conservative fluxes passing through the triangle edge are given.
2建立了基于非结构网格的高阶Godunov格式，给出了一种确定通过三角形网格单元边界通量函数的方法，并对单调约束条件进行了改进。
The objective is to demonstrate local elastic buckling within a truss structure and to compare experimental results with Euler buckling theory.
实验目的是证明框架结构的局部弹性屈曲，并把实验结果与Euler屈曲理论做比较。
Timestepping was achieved by an Euler leapfrog method with a simple averaging procedure every 100 timesteps to control the splitting instability.
通过欧拉蛙跃法以每100时步作一次简单平均而取得所需的时步以控制剧烈的不稳定性。
The aerodynamic characteristics of the cuted tip rhombus wing and double-delta wing of middling sweepback angle and aspect ratio about sixty type are investigated by a numerical method based on Eular equations.
采用Euler数值计算方法，对60多种中等后掠角及展弦比的切尖菱形机翼、双三角机翼纵向气动力特性进行了计算、分析和比较，从中筛选出16种切尖菱形机翼、14种双三角机翼进行了全机高速风洞实验研究，给出了机翼的展弦比、前缘后掠角、根梢比及几何扭转变化对全机升力、阻力及俯仰力矩的影响曲线和数据分析，在此基础上提出了用于定量估算两类机翼纵向气动力特性的关系式及修正因子。
A moving overset grid method with 3D-Euler solver was used to realize the simulation of the separation process.
通过采用运动嵌套网格方法，结合三维Euler方程对飞机外挂物投放过程进行了数值模拟，并针对该投放模拟方法提出了一套合理可行的并行计算方案。
The invention is characterized in that: according to the reference ephemeris and the reference vector and the observation vector observed by a star sensor, the spacecraft attitude quaternion can be gotten through Euler-q counting method; through DD2 filter, on one hand, feedback compensation the attitude matrix obtained through resolving by gyro; on the other hand, revise the palstance output of three-axle gyro and conduct compensation to the constant drift of gyroscope.
其特征在于根据参考星历和由星敏感器观测得到的参考矢量和观测矢量，通过Euler-q算法获得航天器姿态四元数，经过DD2滤波，一方面反馈校正陀螺解算获得的姿态阵，另一方面，修正三轴陀螺角速度输出，对陀螺仪的常值漂移进行补偿。
This paper is concerned with the vibration responses of an infinite, fluid-loaded, elastic foundation of Bernoulli-Euler beam under the convected forces.
本文即是探讨柏努力－欧拉梁受这移动外力作用下的振动分析；并考虑梁的流体承载与弹性基础的反弹力效应。
The necessary condition of the Euler graph being a graceful graph is given.
给出了 Euler图为优美图的必要条件和完全二部图 Kn，m的优美标号。
This leads us to another contribution of Leonhard Euler to graph theory, namely Euler's polyhedron theorem or simply Euler's formula
这是我们引向L？尤拉对图论的另一个贡献，即尤拉多面体定理，或简称尤拉公式。
In Angola, the Chokwe people draw lines in the sand, and it's what the German mathematician Euler called a graph; we now call it an Eulerian path -- you can never lift your stylus from the surface, and you can never go over the same line twice.
在安哥拉，Chokwe人会在沙地里画出美丽的线条，德国数学家欧拉称之为graph，我们现在管那作欧拉图——你的笔永远不能离开画布，也不能重复描绘同样的一条线。
This leads us to another contribution of Leonhard Euler to graph theory, nam ely Euler's polyhedron theorem or simply Euler's formula.
这是我们引向L·尤拉对图论的另一个贡献，即尤拉多面体定理，或简称尤拉公式。
Direct cosine matrix, Euler angles and quaternions are the common methods for translating vector equations into scalar equations, singularities are discussed according to equations of kinematics and geometry graph of defining Euler angles in the paper.
方向余弦阵、欧拉角法和四元数法是将导弹运动的矢量式变换到标量形式的导弹运动方程组常用的方法，文中分别通过绕质心运动的方程组和欧拉角定义的几何图形分析了欧拉角出现奇异的情形。
The course contains four sections as follows: mathematical logic (including basic concepts of propositional logic and predicate logic, propositional calculuses and inference theories), set theory (including set algebras, relations, functions and cardinal numbers), algebraic structure (including algebraic systems, semigroups and groups, rings and fields, lattices and Boolean algebras), graph theory (including basic concepts of graph, Euler graphs and Hamiltonian graphs, trees, planar graphs and coloring graphs, some special vertex subsets and edge subsets).
本课程包含四部分内容：数理逻辑（包含命题逻辑与一阶逻辑的基本概念、等值演算以及推理理论），集合论（包含集合代数、二元关系、函数和基数），代数结构（包含代数系统、半群与群、环与域、格与布尔代数），图论（包含图的基本概念、欧拉图与哈密顿图、树、平面图及图的着色、图的某些特殊的顶点子集与边子集）。
In the first part of this paper we consider the partial differential equa-tion as a generalized Euler-Poisson equation:?
本文的第二部分研究了空间含奇面方程？
A non-stiff transformation method is presented in this paper, based on the above theory, general Schur product multistep method is put forward.
本文讨论了刚性常微方程的非刚性转化方法，在此基础上，获得一类广义Schur积多步法（通过这种非刚性转化方式，显式Euler方法将成为一个A-稳定的方法）。
Finally, we construct an Euler sequence and give the error bounds of H-B interpolation...
最后，我们构造出一个Euler序列并借助于定理的类似定理给出H—B插值样条的误差界。
Based on the granules kinetics, an Euler-Euler two-fluid model was established for studying the flow patterns of liquid-solid two-phase flow in the tubular loop reactor.
为了对环管反应器内液固两相的流动形态进行研究，建立了以颗粒动力学为基础的Euler-Euler 双流体模型。