特别,考察了基础和损伤对粘弹性梁的动力学行为的影响。
In special, the effects of the foundation and damage on the dynamical behaviors of viscoelastic Timoshenko beams were considered.
研究速度变化的轴向运动粘弹性梁在亚谐波共振及组合共振范围内的参数振动。
Parametric vibration of an axially moving, elastic, tensioned beam with pulsating speed was investigated in the vicinity of subharmonic and combination resonance.
基于动力学方程、本构关系和应变-位移关系建立了小变形粘弹性梁的振动方程。
Based on the dynamical equation, the constitutive relation and the strain-displacement relation, the vibration equation of small deflection beams was derived.
提出了以卷积形式表示的梁-柱弯曲问题的泛函,并给出了损伤粘弹性梁-柱的广义变分原理。
The convolution type functional was offered for the bending of viscoelastic beam column with damage and the generalized variational principle of viscoelastic beam column with damage was presented.
采用二自由度四分之一汽车悬架和粘弹性地基梁模型建立了二维汽车-路面系统。
A two-dimensional vehicle-pavement system is modeled with the two DOF quarter vehicle suspension and a beam on viscoelastic foundation.
本文以均匀粘弹性简支梁作为梁形柔性基础的力学模型。
The viscoelastic simple beam is taken as the mechanical model of flexible foundation with beam-wise.
利用哈密尔顿原理在积分型本构模型描述基础上建立粘弹性移动梁的控制方程。
Utilizing Hamilton's principle and the constitution relations in an integral form, the governing equations of motion for an axially moving viscoelastic beam is derived.
提出了钢与混凝土简支组合梁的徐变效应简化分析方法,建立了粘弹性分析的数学模型。
A simplified method for analysis of creep effects in steel-concrete simply supported composite beams is presented. The mathematical models of viscoelastic analysis are created.
利用哈密尔顿原理在积分型本构模型描述基础上建立粘弹性移动梁的控制方程。
The equations of motion governing the quasi_static and dynamical behavior of a viscoelastic Timoshenko beam are derived.
本文用三体模型对粘弹性简支梁进行动力分析。
Dynamic analysis of viscoelastic simply supported beam has been made in accordance with the standard model of three bodies.
考虑具有介质阻尼及非线性粘弹性本构关系的梁方程,证明了它的有界吸收集和有限维惯性流形的存在性,并由此得到在一定的条件下所给偏微分方程等价于一常微分方程组的初值问题。
The equations of nonlinear viscouselastic beam are considered, The existence of absorbing set and inertial manifolds for the system are obtained, and from which we get that the P D E.
考虑具有介质阻尼及非线性粘弹性本构关系的梁方程,证明了它的有界吸收集和有限维惯性流形的存在性,并由此得到在一定的条件下所给偏微分方程等价于一常微分方程组的初值问题。
The equations of nonlinear viscouselastic beam are considered, The existence of absorbing set and inertial manifolds for the system are obtained, and from which we get that the P D E.
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