The Mixed Treated Method of the Homogeneous Displacement Boundary Condition in the Variable Bandwidth Storage 变带宽存储中齐次位移边界条件混合处理法
In this paper, the authors derive the boundary element equation of a piecewise homogeneous medium, which includes three homogeneous subregions. In the procedure of derivation, the third kind of boundary condition is taken into consideration. 文中导出了具有三个子域的分区均匀介质热传导问题的边界元方程,推导中考虑了第三类边界条件。
The formulary solution to the mixed problems for the non homogeneous wave equation in one dimensional space on a half straight line under the second boundary condition 半直线上第二类边界条件下一维非齐次波动方程混合问题的公式解
Through the change of variables, the original problem with inhomogeneous boundary condition is reduced to the boundary value problem of homogeneous boundary condition. 并通过变量代换,将原问题的非齐次边界条件转化为齐次边界条件的边值问题。
In this paper, a Green quasi-function is firstly set up by using the basic solution of Poisson's equation. This function satisfies the homogeneous boundary condition 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。
Perturbation of the nonlinear equation gives the axisymmetric buckling equation of cylindrical composite sandwich shells which together with the associated homogeneous boundary condition constitutes an eigenvalue problem for analyzing the axisymmetric instability. 在此基础上用摄动法,给出了复合材料夹层圆柱壳轴压轴对称屈曲方程,该方程与齐次边界条件一起构成分析轴对称失稳的特征值问题。
Numerical results for perfectly conduction and homogeneous penetrable circular cylinder are presented and compared with the solutions by using second-order differential operator B2 type absorbing boundary condition. 本文使用这种边界条件对理想导电及均匀电磁可穿透材料圆柱散射体的表面场进行了数值计算,并与使用二阶微分算子B2型的吸收边界条件的结果作了比较。
This paper is concerned with a strongly coupled prey-predator model subject to the homogeneous Neumann boundary condition. The existence of positive non-constant solutions is discussed. 讨论一个带有齐次Neumann边界条件的强耦合捕食模型,给出了非常数正解的存在性。
The energe levels of an electron in the homogeneous magnetic field with the boundary condition of infinitely deep potential 无限深势边条件外磁场中电子能级
Under the homogeneous Dirichlet boundary conditions, the methods of spectral analysis and bifurcation theory are used to derive the existence of the nontrivial positive static solutions, which originates from semi-trivial solutions. A stability condition for the bifurcated solution is also presented. 在齐次Dirichlet边界条件下,应用谱分析和分歧理论的方法,得到了发自半平凡解的非平凡正定态解的存在性,并给出了关于分歧解的稳定性的条件。
The paper discusses the mixed treated methed of the homogeneous displacement boundary condition in variable bandwidth storage, and gives IBM PC FORTRAN 77 program. 本文讨论变带宽存储中齐次位移边界条件混合处理法,给出IBMPCFORTRAN77程序。
With the analytic solution as exact solution, a model problem with homogeneous boundary condition of derivative type is calculated. 计算实例针对二类齐次边值问题,以解析解作为精确解,研究了不同节点数时整体误差和局部误差的变化。
Subject to the homogeneous Neumann boundary condition, a ratio-dependent predator-prey reaction diffusion model is discussed. 讨论了在齐次Neumann边界条件下具有比率依赖型捕食反应扩散模型。
The numerical simulation of homogeneous medium indicates that the effect of this absorbing boundary condition is apparent. 然后对均匀介质模型进行了模拟,结果表明,该方法的边界吸收效果很好;
The vibration of an elastic rod with a concentrated mass attached on one end and another end subject to a homogeneous boundary condition is discussed by using of the method of Laplace transformation. 用Laplace变换法求解了一端为齐次边界条件,另一端系有集中质量的弹性杆的纵振动问题,推广了相关文献的结果。
The objective of this paper is to research singular transport equations with anisotropic continuous energy homogeneous slab geometry for perfect reflecting boundary condition in slab geometry. 在L1空间上研究了板几何中一类具完全反射边界条件下各向异性、连续能量、均匀介质的奇异迁移方程。
This paper has constructed a mathematical model containing steady seepage flow of homogeneous reservoir under the complex boundary condition in impermeable area, which is effected by source ( congruence). 建立了考虑源(汇)影响的含有不渗透区域复杂边界条件下均质油藏稳定渗流的数学模型。
The fundamental solution of the mixed problem with the third kind homogeneous boundary condition and that with the zero initial condition are given respectively. 分别给出具有第三类齐次边条件的混合问题基本解以及具有零初始条件的混合问题基本解。
We first introduce the concepts related to the dynamics of infectious diseases, and then present the diffusive model, the partial differential system with homogeneous Neumann boundary condition is given and long time behaviors of the solution are discussed. 首先介绍传染病动力学的相关概念,接着是模型的建立,提出一个传染病动力学的偏微分方程组,对有关的数学问题进行较为系统的研究。
However, most of the previous results are concerned with evolution equations subject to homogeneous ( Dirichlet) boundary condition. 然而,此前的工作大多是关于具有齐次的(Dirichlet)边界条件的非线性发展方程。
Fifth, use alternating direction implicit algorithm of Finite-Difference Numeric method to calculate response function matrix of aquifer system which has no homogeneous initial and boundary condition. 第五、利用隐式交替有限差分数值方法计算了非齐次初始、边界条件的含水层系统影响函数矩阵。