boundary-value problem造句
例句与造句
- The boundary-initial value problem is reduced to a boundary-value problem only .
边值-初值问题简化成仅仅是边值问题。 - To illustrate the procedure and to lend concreteness to the ideas expressed in this section, a specific boundary-value problem is studied .
为了说明方法和对本节所表示的概念的具体化，将研究一个特殊的边界值问题。 - Research on generalized two - point boundary - value problem based on neural network
基于神经网络的广义两点边值问题 - On the existence of positive solutions for second order multi - point boundary - value problems
二阶多点边值问题正解的存在性 - An existence theorem of solution to boundary - value problem governed by second - order difference equation
二阶差分方程边值问题的一个存在定理 - It's difficult to find boundary-value problem in a sentence. 用boundary-value problem造句挺难的
- Existence of solutions to a class of non - local elliptic equation with the third boundary - value problem
一类带有第三类边值问题的非局部椭圆方程解的存在性 - The axisymmetric mixed boundary - value problem of the vertical vibration of a rigid foundation on saturated layered soil subgrade
上覆单相弹性层的饱和地基上刚性基础竖向振动的轴对称混合边值问题 - The results show that the eigenvalues of the boundary - value problem form a denumerable set , and the eigenvalue approaches infinity
结果表明边值问题的特征值构成一个可数集，并且特征值趋向于无穷大。 - The purpose of the first part is to in - vestigate superconvergence phenomena for the second order elliptic boundary - value problems over triangulations , by using least - squares mixed finite ele - ment method
第一部分的目的是研究基于三角形剖分的最小二乘混合有限元方法的超收敛性。 - The quasi - weak convergence in c [ a , b ] is studied and applied to the boundary - value problems in the nonlinear ordinary differential equations without the assumption of the continuity , compactness and convexity
摘要研究了连续函数空间中凹（凸）函数列的拟弱收敛性，并应用于没有连续性紧性和凹凸性假定的二阶常微分方程的边值问题。 - In this thesis , studies are made on the problem of time - harmonic electromagnetic fields excited by an arbitrary current dipole in spherical conductor . the problem is presented in eddy - current nondestructive test and geophysical prospecting . under the condition of magnetic quasi - static state , the boundary - value problem about modified magnetic vector potential is solved and the analytical solution is obtained
本论文针对涡流无损检测和地球物理勘探领域用到的球导体中时谐电流元的电磁问题做了研究，在磁准静态近似下，求解了修正磁矢量位的边值问题，获得了问题的解析解，并利用通用有限元分析软件做了数值验证。 - Since the antiplane scattering problems of local sites could be divided into two kinds : interior and exterior problems , main points to solve the problems are graf ' s addition theorem . so two expressions and suitable range of the graf ' s addition theorem are studied hi the paper . moreover , an auxiliary function method for mixed boundary - value problems are also discussed in this paper
由于典型局部场地弹性波出平面散射问题可以分为内域型和外域型两大类，求解这些问题的要点是要完成特殊函数在不同坐标系间的变换，因此本文对graf加法公式的两种表达及其适用范围做了研究，另外对解决混合边值问题的辅助函数法做了研究。 - Firstly , in spherical coordinate system , the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived , using reciprocity theorem and transforming relations between special functions . then , selecting appropriate coordinate system , using superposition principle , the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained . finally , by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1 , the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located
首先利用特殊函数间的转化关系和互易定理推导得到了无限大导体空间中球坐标下时谐电流元电磁场的二阶矢量位形式：然后利用叠加原理，选择合适坐标系，求解了导体球中时谐电流元的修正磁矢量位边值问题，得到了问题的解析解；最后依据不同坐标系下电磁场解的转化原理，借助勒让德多项式和n次1阶球谐函数的加法公式，将坐标系特殊安放时的电磁场解析解变换到坐标系一般安放时的解析解，给出了球内电场和球外磁场的并矢格林函数。 - Review of linear algebra , applications to networks , structures , and estimation , lagrange multipliers , differential equations of equilibrium , laplace ' s equation and potential flow , boundary - value problems , minimum principles and calculus of variations , fourier series , discrete fourier transform , convolution , applications
线性代数回顾，网络，结构以及估计的应用，拉格朗日乘数，平衡态的微分方程，拉普拉斯方程和势流，边值问题，最小值原理和变分法，傅立叶级数，离散傅立叶变换，卷积，应用。 - Fourthly , the solutions for non - axisymmetical dynamic responding of elastic circular plate ( thin and thick plate ) rested on transversely isotropic saturated half - space / layered ground subjected to arbitrary harmonic loading are presented . under the contact conditions , the problem leads to a pair of dual integral equations which describs the mixed boundary - value problem
首先建立直角坐标系下波动问题的状态方程，经双重fo吐er变换求解状态方程后得到传递矩阵:利用递矩阵给出直角坐标系下层状横观各向同性饱和地基在任意分布简谐荷载作用下稳态动力响应的一般解。
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