通过算例就各参数的随机性对结构动力可靠度的影响进行分析，验证本文方法的可行性。
Finally, the influence of the random of structural physical on the structural dynamic reliability is analyzed through the examples, validating the feasibility of this method.
提出了综合考虑动载荷和结构参数双重随机性的动力可靠度分析方法。
The method for dynamic reliability analysis, in which the randomicity of dynamic loads and structural parameters can be considered, is proposed.
考虑随机性、模糊性的影响，建立了DH106动力箱的多目标可靠性模糊优化模型，并运用此优化方法，进行了DH106动力箱的可靠性模糊优化设计。
Taking account of the influences of randomness and fuzziness, multi objective reliability fuzzy optimization model of DH106 dynamic box is established, and it is solved by the above mentioned method.
为获得准确的频率响应值，有必要在今后的结构动力特性分析中考虑结构参数随机性的影响。
For accurate natural frequency, it is necessary that the analysis technique incorporate the effect of structural parameter randomness.
考虑随机性、模糊性的影响，建立了DH106动力箱的多目标可靠性模糊优化模型。
Taken account of the influence of stochasticness and fuzziness, multi objective reliability fuzzy optimization model of DH106 dynamic box is established.
混沌是确定性非线性动力系统内在随机性的表现。
Chaos is internal random behavior expression of certainty nonlinear dynamical system.
同时发现动力学系统中的非线性函数项（或非线性元件）能够发生跳跃随机性和产生跳跃随机曲线，以使电路的状态轨迹达到与约束方程相容的状态。
The analysis also shows that the nonlinear terms in the dynamic system equations cause the stochastic state to jump so that the circuit state can reach compatibility with the constraint equations.
考虑地震作用和结构参数的随机性，建立了钢筋砼结构药非线性随机动力学模型。
A nonlinear random dynamic mode with stochastic variations of seismic action and structural parameters is constructed.
研究物理参数具有随机性的刚架结构的平稳随机位移响应动力可靠性的计算方法。
A method of calculating displacement dynamic reliability of stochastic rigid frames under stationary random excitation is discussed.
为了研究动力学系统和混沌中产生的跳跃随机性，利用能量平衡原理分析了二阶非线性电路的退化方程。
Chaos related discontinuity jumps in nonlinear dynamic systems were analyzed using a second order nonlinear circuit model and degenerative equations based on the energy balance principle.
众多研究工作表明：结构参数的随机变异性可以引起结构随机动力响应的随机涨落，结构力学参数的随机性还可能成为主导因素。
Some research state clearly: random dynamic respond of large fluctuation levels can be given rise to random variability of structure's parameters and sometimes it becomes leading factor.
载荷的激励作用下，系统塔架结构产生了一系列的随机性动力响应。
The effect of random stress on tower structures, can lead to the stochastic dynamic response.
利用振型迭加法导出了结构物理参数和作用荷载幅值同时具有随机性时结构动力响应随机变量的数字特征计算表达式，并提出了求解方法。
The randomness of both physical parameters of structure and the amplitude peak of applied load are taken into account in the present model.
利用振型迭加法导出了结构物理参数和作用荷载幅值同时具有随机性时结构动力响应随机变量的数字特征计算表达式，并提出了求解方法。
The randomness of both physical parameters of structure and the amplitude peak of applied load are taken into account in the present model.
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