查询词典 solution set of equation

In the second part, the theory of numerical simulation is introduced, including description of body configuration, elastic-plastic large deformation constitutive equation and finite element formula. It is followed by the derivation of equation from the basic theory of elastic-plastic deformation. The solution to temperature field, thermal stress, thermal strain, equivalent effective stress and equivalent strain is achieved then. In addition, we exposit the relation between machine load and thermal load in coupling analysis.

介绍了物体的构形及其描述，弹塑性大变形的本构方程、有限元列式；并进一步论述了弹塑性变形的基本理论，推导了弹塑性方程组；阐述了温度场的求解、热应力及热应变的理论概要，说明了等效应力与等效应变，并进一步阐明了在热力耦合分析中，机械负荷与温度负荷之间的关系；此外，还简介了Marc AutoForge程序结构的特点。

Because the coefficient matrix of system equation with mixed method is indefinitive, an iterative solution method of the system equation is given out.

由于后者系数矩阵非正定，为使方程唯一可解，要求压力插值函数的阶必须低于固体相位移插值函数的阶，对此提出了一种系统方程的迭代求解方法。

And then hp version discontinuous space-time finite element methods is used for a kind of Volterra integrodifferential parabolic equation with weakly singular kernel.The uniqueness of the approximate solution of the equation and the error estimate for time in L_2 norm and space in L_2 norm is obtained.

其次利用hp间断有限元方法研究一类Volterra偏积分微分方程，证明了离散解的存在唯一性，并得到了时间L_2、空间L_2模的指数型误差估计。

The method of determining OOIP, gas - bearing area, boundary shape, well location and vertical fracture length for the closed isochoric oil reservoir s is proposed using combined solution of the nonsteady state equation and the pseuosteady state equation of pressure drawdown curves.

对于定容封闭的油藏，使用压降曲线非稳态与拟稳态方程的联解，提出了确定定容油藏的原始地质储量、含气面积、边界形状、井处位置和垂直裂缝长度的方法。

In the third section, the asymptotic behaviors of the solution for the generalized Burgers equation with convective function and nonconvective function are analyzed, respectively, both of which tend to the corresponding steady equation.

分别讨论了广义Burgers方程(0.2)在有对流流函数f及无对流流函数时解的渐进行为，它们分别趋于相应定常问题的解。

In addition, we improve Nivens method and our new method to solve the equation more quickly.2 Complete Solution Structure: We obtain that the whole solutions of real quaternionic polynomial equation are just composed of some quaternion equivalence classes and some isolated points.

另外，从新方法及四元数带余除法理论出发，进一步改进了新方法和Niven的传统方法。 2解的完整结构：由求解的新方法得到四元数多项式方程全体解的完整结构为四元数等价类与孤立点的集合，以往的结果成为其自然推论。

By using the regular-solution theory and the virial expansion for the Redlich-Kwong equation of state, an equation was proposed to relate the solubility values of the gases in the non-volatile solvent to temperature and pressure.

采用RK方程的维里展开式和正规溶液理论推算得到的气体溶解度与温度和压力的函数关系式，并对相同温度和压力下CO等气体在纯苯酚中的溶解度进行了三参数关联，得出了溶解度的计算模型。

Based on an unstructured grid, finite-volume coastal ocean model, the complete three-dimensional fine-solution equation group of shallow-sea tide is adopted to calculate the tide in Qinzhou Bay. The equation group consists of tide-control equations and obturating turbulence equations.

基于采用不规则三角网格和有限体积方法的FVCOM模式，建立钦州湾三维潮流数值模型来重现钦州湾的潮位和潮流变化状况。

In the couping solution, based on the characteristics of the models in this dissertation, each of loading step is finished in unit time. Thus the volumetric strains on the current increment step as analysis parameters are inserted into the equation of continuity and a physical equation for pore water pressure is presented. The fundamental solutions of two kinds of classic problems (axial symmetry and plane strain) are derived. By use of the fundamental solutions of pore water pressure combined with finite element method of soil mechanics, a semi-analytical and semi-numerical method for nonlinear consolidation equations is presented.

在耦合分析中，根据本文模型的特点，将每一荷载增量步看作单位时间完成，对应当前增量步的体变分量作为分析参数代入连续方程，建立了基于数值模型的孔压变化方程，根据工程中最常见的两类问题推导出基本解，结合土骨架的控制方程建立了此类液-固耦合问题的半解析半数值解答体系，编制了有限元程序，从而实现了从建立本构关系到模拟固结问题的全数值方法。

Meanwhile, the Beer-Lambert equation was modified for 254nm and 365nm UV light permeation through methyl orange solution, and a mathematic equation for light permeability was established.

通过实验研究，对紫外光在溶液中透过性的Beer-Lambert公式进行了修正，得出了不同波长紫外光在甲基橙溶液中透过性的数学表示式。

Sodium citrate; calcium carbonate; calcium hydroxide; potassium bicorbonate; magnesium carbonate; ferrous sulphate; Zinc sulphate; copper sulphate; manganese sulphate; potassium iodide; sodium selenite.

柠檬酸钠；碳酸钙；氢氧化钙；碳酸氢钾；碳酸镁；硫酸亚铁；硫酸锌；硫酸铜；硫酸锰；碘化钾；亚硒酸钠。

All this to say that I'm glad filmmaking hasn't become completely ironic. I can enjoy an ironic film as much as the next person, but they usually involve a message of some sort. One that's delivered in a smirkingly clever way that requires little in the way of talent.

所有这些都是说，我很高兴电影制作没有变成完全讽刺艺术，我可以和下一个人一样享受讽刺电影的乐趣，虽然他们经常会被划归到一定级别，技术方面不需要很高的才能。