目的研究一类具有连续偏差变元的双曲偏泛函微分方程边值问题解的振动性。
Aim To study a class of boundary value problem of hyperbolic partial functional differential equations with continuous deviating arguments.
研究了一类边界条件下中立型脉冲双曲方程解的振动性，得到了每个非零解振动的若干充分条件。
In this paper, the oscillation properties of solutions under a kind of boundary conditions for impulsive hyperbolic differential equation of neutral type are studied.
利用冲击振动试验法可以准确得到桥墩的一阶振型和一阶频率，利用这两个参数可以构造出一阶振型比、特征参数、一阶曲率模态差三个指标。
The first-order mode and the first eigenfrequency of the pier can be obtained easily and precisely by the impact vibration test method, from which three indexes such as the chang.
研究一类具有连续分布滞量的非线性中立型双曲方程解的振动性质。
To study the oscillatory of solutions to a class of nonlinear neutral hyperbolic differential equation with continuous distributed delay.
考虑一类中立型时滞双曲微分方程，得到了该方程振动的一个充分条件。
The neutral delay nonlinear hyperbolic differential equation is considered. A sufficient condition for the oscillation on the equations is obtained.
本文给出一类双曲偏泛函微分方程解的振动准则。
In this paper, oscillation criteria of solutions for a certain partial functional differential equations are obtained.
文章研究了受初始静载荷作用下夹芯复合材料曲梁的面板的局部自由振动问题，并给出一种相应的理论分析方法。
A theoretical approach is provided to investigate the problem of local free vibration of an initially stressed curved sandwich beam in this paper.
该模型由描述系统振动的双曲型偏微分方程组及相应的边界条件和周期性条件组成。
This model consists the hyperbolic partial differential equations, boundary conditions and cyclical conditions of the system.
本文建立一类中立型双曲方程边值问题解的振动准则。
In this paper some oscillation criteria are established for solutions of a class of neutral hyperbolic boundary value problems.
本文研究了一类具有连续偏差变元带中立项的双曲偏泛函微分方程解的H-振动性，给出了判别解H-振动的充分条件。
This paper studies the H-oscillations of hyperbolic partial functional in differential equations with deviating arguments and provides it with sufficient conditions.
研究了一类中立型双曲型泛函微分方程边值问题，得到了判定解是振动的新的方法，推广了已有的结果。
In this paper the boundary value problem for a neutral hyperbolic differential equation is studied. A new method for judgement of oscillation solution is obtained and is spreded known results.
钢筋混凝土双曲冷却塔壳体的阵风响应曾应用随机振动理论的谱分析法进行研究。
The response of the shell of reenforced concrete hyperbolic cooling towers to turbulent wind has been investigated theoretically by applying the spectrum method of random vibration theory.
薄壁构件在扭转荷载作用下截面产生翘曲变形，在强度、稳定和振动的计算中应考虑到截面翘曲变形的影响。
Torsional loads produce warping displacements in thin-walled members. Its influence on strength, stability and vibration of thin-walled members must be considered in many cases.
矩形截面的平面曲梁理论探索的弯曲和扭转耦合振动特性。
The plane curved beam theory with rectangular section is employed to explore the bending and twisting coupling vibration characteristics.
考虑一类中立型时滞双曲微分方程，得到了该方程振动的一个充分条件。
The neutral delay nonlinear hyperbolic differential equations is considered. A sufficient condition for the oscillation on the equations is obtained.
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.
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