The initial-value problem for a class of the coupled system in two-dimension 二维空间中一类耦合系统的初值问题
The solutions of initial-value problems of some differential difference equations 一类微分差分方程的初值问题的解
Existence of solutions to initial-value problem of impulsive differential equations with variable times 时变脉冲微分方程初值问题解的存在性
Application of gurtin-type variational principle in dynamic initial-value problems of rectangular plate 变分原理在矩形板动力初值问题中的应用
Mixed finite element simulation for the initial-value problems of purely longtudinal motion of a humogeneous bar 均匀棒纯纵向运动初值问题的混合有限元方法
Section 6.13 contains the treatment of an initial-value problem for the axisymmetric motion of infinite elastic medium 第6?13节中包含对无穷大弹性媒质的轴对称运动的初值问题的讨论。
Section 6.13 contains the treatment of an initial-value problem for the axisymmetric motion of infinite elastic medium 第6·13节中包含对无穷大弹性媒质的轴对称运动的初值问题的讨论。
By using bpm, the problem is reduced from a second-order boundary value problem requiring iteration or eigenvalue analysis to a first-order initial-value problem that can be solved by simple " integration " along the propagation direction 和其他模拟方法相比,bpm将二阶边值问题简化为一阶初值问题,减小了计算的复杂性,缩短了计算时间,降低了对计算机硬件的要求。
The six methods are as follows : the supperposition method, the state space method, the complex mode method, the direct integral method, the numerical method for solving the initial-value problem of first-order ordinary differential coupled equations with constant coefficients, and the time domain finite element method 这六种方法是:振型叠加法、状态空间法、复模态法、直接积分法、一阶常微分方程组初值问题的数值解法和时域有限元法。
In chapter two, we consider full disceret scheme of mixed finite element methods for the following initial-value problems of linear integro-differential equations of parabolic in this chapter, we give the error analysis of this full discrete scheme and get optimal error estimates for the discrete solutions of u and p 第二章讨论下述线性抛物型积分微分方程初边值问题混合有限元方法的后差全离散格式。给出了该全离散格式的误差分析,得到了离散解逼近未知函数u以及伴随速度p的关于空间和时间的最优阶误差估计。