In chapter 2 of this dissertation, using meshing theory system, it systematically studies the basic rack, flank equation, fillet and the cutting, engagement requirements, crest tipping, calculation and measurement of tooth thickness, which provides detailed theoretical basis for designing and manufacturing hob for DIGLST and the basis for processing and checking the gear.
本文第二章提出该齿轮的基准齿条和齿形参数，利用啮合原理系统地研究了齿面方程、齿轮传动正确啮合条件、齿顶变尖和齿根根切以及齿厚的计算与测量等，为设计齿轮、制造滚刀、加工检测等提供详细的理论依据。
In this paper, an improved method of optical flow estimation is proposed under the condition of the basic constraint equation and the smooth constraint.
本文在基本约束方程和平滑性约束条件下，提出了一种改进的瞬时位置速度估计方法。
This method and program are based on basic equations of complex aqueous system, pH value being used as trial and error variable and the electric charge balance equation being used as checking equation.
它以复杂水溶液体系的基本方程组为基础，应用pH值作为迭代变量，由离解平衡方程和物料平衡方程导出中间变量的计算公式，应用电中性条件方程作为校核方程，算法程序清晰简明，计算快速，收敛稳定，应用十分方便。
The main contribution of this dissertation is summarized as following: 1 The basic equation of six-degree of freedom movement in the underwater platform is accomplished on the ground of studying the torpedo's cruise movement. On the base of the basic equation and using the law of Newton to analyze the horizontal and vertical movement of the underwater platform I establish the uniform dynamics equation.
主要做了如下的探索性研究和解决了相关的关键性问题：1、参考鱼雷巡航运动的空间方程建立了水下平台六自由度运动的基本方程，对平台的水平横移、垂直移动进行了受力分析，并利用牛顿定理在基本方程的基础上建立了统一的动力学方程。
Cutter blade in the face of the modeling, this paper presents a basic model of ideological confrontation flank milling reasoning and mathematical algorithm: First, the establishment of the cutter edge cross-section curve and the equation ruled surface and then through the algorithm to generate cutter rake face and the flank, Bezier curve-based algorithm to generate the surface of the spiral groove cutter in order to achieve the opposite blade face milling modeling.
在立铣刀的刃面的建模方面，本文提出了一种基本的建模思想对立铣刀的刀面进行数学推理和算法实现：首先建立立铣刀的刃口曲线及横截面的方程，然后通过直纹面生成算法建立立铣刀的前刀面和后刀面，通过基于Bezier曲线的曲面生成算法建立立铣刀的螺旋槽，从而实现了对立铣刀刃面的建模。
Firstly, the basic principle of Finite-Difference Time-Domain is introduced and the 2-dimensional FDTD equation is derived from the Maxwells equations, calculated by setting up the appropriate excitation source, cell size, the interval of space and time.
首先，介绍了时域有限差分法的基本原理，从麦克斯韦方程出发，建立二维空间中的时域有限差分方程，通过设置合适的激励源、网格尺寸、空间和时间步长进行计算。
There will be some basic questions about function, probability and simultaneous equation.
也会有一些关于函数，概率，联立方程的基本问题。
Using Maxwell equation, Stoke's law and penetration wave and reflected wave basic theory, research compound materials particle size, proportion of mixture and preview length and others.
再取混合后的粉末，将三种不同重量比的混合粉末与环氧树脂依重量百分率浓度5 wt%、10 wt%、15 wt%和20 wt%混合均匀成四种浓度的试片。我们归纳发现复合材料在粒径变化、混合比例、试片长度等…。
Following, expounding the essential priciples andmathods to solve thermal distributing of the gas engine exhausting gas flow field, introducing essential priciples of the deflective differential equation of heatconduction、basic quation of Boudary theomory and the method of confirm theboundary condition of the flow field and finite element mothods.
通过热电偶和硬度塞来测量尾气流场中一系列特征点的温度值。
Here, we point out that, within the frame of general relativity, the basic astrophysical equations are Einstein equation, Boltzmann equation of the distribution function of real matter in the presence of electromagnetical field in curved spacetime, Maxwell equation and the equation of radiative transfer of Stokes parameter of photons in curved spacetime.
这里，我们指出，在广义相对论框架下，天体物理基本方程为Einstein场方程，弯曲时空中实物质分布函数所满足的含有电磁场的Boltzmann方程，弯曲时空中Maxwell方程组和弯曲时空中光子Stokes参量所满足的辐射转移方程。
The basic principles of the topographic simulation by binary interpolation formula and the ore body bottom and ore body thickness simulation by trend equation were analyzed, and the random formation of schematic section view of ore body was illustrated.
论述了二元插值公式对地形进行模拟、趋势方程对矿体底板和矿体厚度进行模拟的基本原理，并结合实例对矿体示意剖面的随机生成进行了说明。
Further study on this basic phase-variation equation results in the variation equation of the critical temperature of double hexagonal prism superconducting network in foreign field.
由此方程出发，计算了双层六角棱柱超导网络的临界温度随外磁场的变化关系。
The basic Boltzmann equation in reference is improved.
改进了文献中报导的Boltzmann基本方程。
The basic theory and testing way of ablative material kinetic characteristics developed by the Arrhenius equation are introduced.
介绍了利用Arrhenius方程开展材料烧蚀热解性能动力学特性的基本原理，试验测试方法。
A method of fluid-solid coupled is put forward. Equation of heat exchange between fluid and solid and energy equation of solid zone are solved while basic fluid equations are solved.
提出了一种流固耦合的计算方法，在求解流体力学控制方程组的同时，求解流体与固体表面的热传递方程以及固体区域的能量方程。
First of all, the paper recommended the basic theory of curved girder bridge and deduced the procedure of calculation, such as Volasovs elasticity theory of thin-walled structure, differential equation of plan curved girder and circular differential equation about force-strain. It also expatiated solution of structural mechanics and method of finite element, and expounded several models of method of finite element. The development of finite element program is recommended in this paper. Compared with all-purpose finite element program, finite element program of exclusive use on bridge has its predominance in bridge structure calculation such as MIDAS/Civil.
本文首先对曲线梁桥的基本理论和计算方法—符拉索夫弹性薄壁结构理论、平面曲梁的平衡微分方程、力与应变关系的圆弧微分方程等进行了介绍和推导，对曲线箱梁桥的结构力学解法、有限元法进行阐述，论述了曲线梁桥有限单元法的几种模型及其应用特点，介绍了桥梁结构的有限元分析程序的发展，比较了通用有限元分析软件与桥梁结构专用有限元分析软件之间的异同，着重介绍了MIDAS/Civil有限元分析软件。
In this dissertation, first, based on theory of cutting tooth about the gleason spiral bevel gear, the equation of meshing in the process of cutting tooth, the surface equation of generating gear as well as the general tooth surface equation of the double circular arc spiral bevel gear, using GB12759-1991 type of double circular arc gear as a basic gear profile, a three-dimension solid model of double circular arc spiral bevel gear which has the good adaptability was carried out by used of Unigraphics software; Second, by researching of the algorithm about contact and collision as well as various contact types based upon Contacting Finite Element Method, a foundation was laid for selecting the contact type in analyzing contact stress of double circular arc spiral bevel gearing; Finally, through the connection port of PARASOLID between UG software and ANSYS/LS-DYNA software, the three-dimension solid model of double circular arc spiral bevel gearing obtained above in UG was imported into ANSYS/LS-DYNA, a finite element analyzing about contact stress of double circular arc spiral bevel gearing was carried out by applying new loading method.
本文首先基于格利森弧齿锥齿轮加工原理及切齿啮合过程中的啮合方程、产形轮齿面方程以及双圆弧弧齿锥齿轮的齿面方程，选用GB12759-1991型双圆弧齿轮基本齿廓为基准齿形，利用Unigraphics软件的建模功能，绘制了有较好适应性的双圆弧弧齿锥齿轮传动三维实体模型。其次，描述了应用有限单元法进行实体接触与碰撞问题算法的公式，研究了有限元分析中的各种接触类型以及双圆弧弧齿锥齿轮接触应力分析中所选择接触类型的依据。最后，通过UG软件和ANSYS/LS-DYNA之间的PARASOLID接口工具包，将UG软件中得到的啮合齿轮模型导入ANSYS/LS-DYNA有限元分析软件，给出一种新的加载方法，进行了双圆弧弧齿锥齿轮传动的接触应力的有限元分析。
In this paper, a Green quasi-function is firstly set up by using the basic solution of Poisson's equation.
利用Poisson方程的基本解构造一个准格林函数，这个函数满足Poisson方程的齐次边界条件。
In this paper the boundary value problem of integro-differential equation is discussed and several basic theories of it are proved.
利用上解和下解的概念讨论了积分微分方程的边值问题，给出了几个基本定理。
The paper presents a theoretical solution for the basic equation of axial-ly symmetric problems in elastodynamics.
本文给出了弹性动力学轴对称问题基本方程的一种理论解。