定解条件

  • 网络definite condition;definite solution condition
定解条件定解条件
  1. 为采用Rankine源方法求解水动力问题提供前提条件。2.基于三维线性势流理论,建立有航速船体扰动流场速度势的定解条件。

    It provides precondition for the application of Rankine panel method . Secondly , based on the 3-D linear potential flow theory , the definite conditions of velocity potential of the disturbance flow field around the ship with forward speed are established .

  2. 文章从气体基本方程入手,采用气体标准压力的概念,得到气体渗流的无量纲方程及其定解条件。

    In this study , according to the gas basic equation and using the concept of gas normalized pressure , the dimensionless equation and its definite conditions are derived .

  3. 利用Lagrange法求解了不同定解条件下的数学模型,得到了相应的解析解;

    It uses the Lagrange Method to solve the mathematic model under different boundary conditions , and gets the analytical solution .

  4. 本研究以半无限溶质运移对流-弥散方程为例建立定解条件,运用Laplace变换推导出瞬态条件下溶质浓度在任意时刻和任一地点的解析解。

    Based on semi-infinite convection-dispersion transport equation , the condition of solution is established . The analytical solution of solute concentration in an instantaneous condition is developed by using Laplace transformation .

  5. 根据牛顿第二定理,建立了水滴轨迹方程,将解N-S方程得到的流场解作为水滴轨迹方程的定解条件。

    According to the Newton 's second law , the droplet trajectory equation is established , the flow field calculated by N-S equation is regarded as the base of droplet trajectory equation solved .

  6. 建立了分形生长过程的偏微分方程模型(PDE),并给出相应的定解条件,将分形生长过程问题归结为具有移动边界的自由边界值问题。

    A partial differential equation model ( PDE ) and the conditions of fractal growth of bubbles are established , which can be cast as a problem of free boundary value with a moving boundary .

  7. 采用GAMBIT软件建立三维有限元模型,根据试验参数确定模拟流场的定解条件,选取合理的RNGk-ε湍流计算模型,迭代求解,建立了搅拌摩擦焊的三维稳态流场。

    Software GAMBIT was adopted to build 3-D finite element model . The limited conditions of modeling flow field were confirmed by experimental parameters . RNG k - ε turbulence model was reasonably selected to iteratively evaluate the equations .

  8. 本文讨论了二次样条插值的定解条件,在l1模意义下给出了一类最佳二次样条插值的概念,以及寻找最佳二次样条插值的定解条件的方法。

    In this paper is discussed the condition for determining solution to the quadratic spline interpolation problem by l_1 norm , and then are presented the concept of best quadratic spline interpolation and a simple method to determine such a best solution .

  9. 大变形固结计算模型及定解条件的探讨

    Study on Initial Condition and Boundary Conditions of Large Deformation Consolidation Theory

  10. 第二章为渗流数学模型及定解条件。

    Chapter 2 is seepage numerical model and boundary condition .

  11. 基于潮流定解条件的电力系统状态估计可观测性分析

    Observability analysis of power system state estimation based on the solvability condition of power flow

  12. 静电场边值问题是电磁场理论中的难点,求解静电问题关键是完整准确地写出定解条件。

    The key to solve the electrostatic problem is to find the conditions of determining the solution perfectly .

  13. 内弹道非线性发展方程的定解条件:2.边界奇点设计及源的点化处理

    The solution determining conditions of interior ballistics nonlinear developing equations ⅱ . design of boundary sigularity and point treatment of sources

  14. 利用问题的定解条件得到包含待定系数的超越方程。

    Using conditions to determine solution for the problem , a transcendental equation including the coefficient needing to be determined is obtained .

  15. 通过实例分析,探讨用勒让德多项式和定解条件求解静电场时确定系数的方法。

    By analyzing the sample , study the method of seeking given parameters by using Lengendre polynomials and condition of fixed solution .

  16. 极坐标下应力函数和按应力求解定解条件推导方法的研究

    Research on the Inferring Ways of the Stress Function and the Decisive Condition on the Basis of Stresses in the Polar Coordinates

  17. 并结合基本渗流理论研究了暂态饱和-非饱和计算的定解条件。

    At the same time , the transient saturated - unsaturated boundary conditions for calculation is studied , combining with the seepage theory .

  18. 再次对进口边界定解条件的三种提法进行了分析,给出了边界流动参数的具体算法,并用三个算例进行了数值试验。

    M analysis for three formulations of the entry boundary conditions and we give the algorithm of the flow parameters on this boundary .

  19. 针对非均匀正交各向异性媒质中的电磁场问题,给出了相应的约束方程和定解条件;

    This paper aims at the problem of electromagnetic field in inhomogeneous orthotropic medium . The equations and conditions which associate with this problem are given .

  20. 利用差分方法离散了室内氡的三维瞬态传输方程、渗流速度方程、压差方程以及定解条件。

    By means of the different method , the equations of transport of indoor radon gas , convection velocity and pressure difference and boundary conditions have been discretized .

  21. 在对系统运动时域描述的基础上,进行系统运动的频域描述,给出了基本方程和定解条件。

    By the description of system vibration in time domain , the system vibration in frequency domain was obtained , and the basic equation and conditions are confirmed .

  22. 为了避免物理阵二阶导数的计算,本文在满足前述定解条件的前提下,利用一种特殊的迭代格式回避了物理阵二阶导数的引入。

    Under prerequisite of satisfying the previous CDS the calculation of the second order derivatives of the physical matrices is avoided by using an iterative format in this paper .

  23. 通过在非绝热准地转线性模式中引入波动形式解,并确定适当的定解条件,用正交模方法求得了感热波的波动解。

    Based on the classical atmospheric wave theory , we derive the wave-like solution of the steady Rossby wave with sensible heating and topographic forcing by the normal mode method .

  24. 通过对模拟流场与实际流场结果的分析比较,修定了模型的定解条件,使模拟结果与实测结果相吻合。

    The flow model was built in this way . The simulated result accorded to the actual result by comparing with the difference of the two and modifying the limited conditions .

  25. 本文导出了自由边界载流等离子体柱的电阻螺旋模所满足的方程和定解条件,采用了对时间步长的两步隐式差分法进行数值求解。

    In this paper the growth rate and the eigenfunctions are calculated for the resistive helical instability of current-carrying plasma column with free boundary , using a two-step implicit difference method .

  26. 同时还运用紊流流体力学和液固两相流的基本理论,建立过滤过程中污水的紊流流动方程和滤料颗粒运动方程,并针对实际过滤过程建立相应的定解条件和求解方法。

    Simultaneously turbulent flow mechanics and liquid / solid two-phase flow theories are applied to establish turbulent flow dynamical equations of sewage and motion equations of filtering particles in the process of filtering .

  27. 基于可动边界变分原理,建立了具脱层压电层合梁的非线性平衡方程及相应的定解条件。

    Based on the variational principle of moving boundary , the nonlinear governing equations of the piezoelectric laminated beams with delamination are derived , and the corresponding boundary and matching conditions are given .

  28. 针对锚泊系统现场测量存在的问题,根据多组分悬链线方程组的定解条件,提出了锚泊链受力的姿态测量方法。

    Besides a mooring line posture measurement method is put forward according to the multi-component catenary equation and boundary conditions , in order to make up for the deficiencies of mooring system in-site measurement .

  29. 本文针对热传导问题,首先从微分方程及定解条件出发,利用加权余数法导出其变分原理;

    In this paper , first the variational principle of heat conduction in heat transfer is established by means of the weighted residual method from the differential equation and boundary conditions and the initial condition .

  30. 根据变分原理和虚功原理推出了两个球面接触的刚度方程式,并补充了接触条件,得到了四种状态下的定解条件。

    Two rigidity equations of both spherical surfaces are derived from variation principle and virtual work principle . Furthermore , the contact conditions under four contact states are added in order to solve the rigidity equations .