本文通过引入位移函数使得立方准晶的轴对称弹性问题化为求解一高阶偏微分方程。
Axisymmetric elasticity problem of cubic quasicrystal is reduced to a solution of a partial differential equation with higher-order by introducing displacement function.
本文提出了用沃尔什级数求解高阶线性偏微分方程的一种新方法。
This paper proposes a new method of solving the high order linear partial differential equation by means of Walsh Series.
本文研究一类高阶泛函偏微分方程边值问题的强迫振动性。
In this paper we study the forced oscillations of boundary value problems of a class of higher order functional partial differential equations.
通过研究一类高阶泛函偏微分方程边值问题的强迫振动性，建立了边值问题解的振动的充分条件。
The forced oscillations of boundary value problems of a class of functional partial differential equations are studied.
研究一类具有连续分布偏差变元的高阶非线性中立型时滞偏微分方程，获得了方程解振动的一些新的判定准则。
The oscillations for a class of nonlinear neutral delay partial differential equations with continuous distributed deviating arguments is discussed.
研究一类具有连续分布偏差变元的高阶非线性中立型时滞偏微分方程，获得了方程解振动的一些新的判定准则。
We obtain sufficient conditions for the oscillation of all solutions of the nonlinear high order neutral functional differential equation with continuous deviating arguments.
对三维波动方程做单程波分解，给出了用低阶偏微分方程组逼近上行波方程的2种高阶近似表达式。
This paper performs one-way wave decomposition for 3d wave equation, and 2 kinds of high approximation of up-going wave equation in low order differential equation system are derived.
脉冲双曲型偏微分方程振动性高阶Laplace算子。
Impulse hyperbolic partial differential equation oscillation higher order Laplace operator.
脉冲双曲型偏微分方程振动性高阶Laplace算子。
Impulse hyperbolic partial differential equation oscillation higher order Laplace operator.
应用推荐