研究了有限长弹性基础梁的分类。
In this paper, the classification of elastic foundation beams is discussed.
采用大曲率梁理论和弹性基础梁带理论,建立潜艇特殊舱段结构的力学模型。
According to the theory of curve beam and elastic foundation beam, a mechanic model for the structure of a special submarine cabin is developed.
计算轧辊弹性变形的主要方法有影响函数法,弹性基础梁法和结合前两种方法的综合法。
The methods to calculate roll elastic deformations include the influence coefficient method, the method of beams on elastic foundations and the method combining the two above.
在弹性基础梁模型的基础上,通过引入一损伤因子,提出一类基于损伤本构的基础梁模型,并在一定条件下对该模型进行了求解和对比分析。
The elastic foundation beam is a familiar component in civil engineering and different fundamental equations of which are corresponded to different foundation models.
将轨枕视为连续弹性基础上的有限长梁,对轨枕进行了受力分析,建立了钢轨轴向力和轨枕变形曲线的关系。
Sleeper is regarded as a finite long beam on continuous elastics base. The relation between rail forces and sleeper displacement is established by analysis of sleeper forces.
在此基础上,对水闸整体式平底板现行的弹性地基梁方法进行了分析,同时对此法提出改进。
The common method of beam on elastic foundation for the integral base is critcized and the improved method is presented.
计算表明,基础弹性突变对梁的振动有较大影响,其影响随着移动荷载速度的增加而增加。
The computations show that the foundation elasticity stiffness abrupt change has greater influences on beam vibration. This influences increase with increase of the velocity of the moving loads.
在楼扳分区刚性假定的基础上,以弹性变形梁模拟空中连廊的变形,建立了时程分析的复合刚片系振动模型。
Based on the assumption that the floor is infintely rigid in different areas and that the spatial corridors can be modeled as an elastic beam, a composite rigid panel series model is presented.
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.
作为计算埋地管道变形和强度的重要基础,给出了弹性地基梁的挠曲线微分方程(位移方程)。
As a important basis of calculating the distortion and strength of the buried pipeline, the paper gives out the space curve differential equations of elastic foundation-beam (displacement equation).
下部结构为轨道,钢轨被离散为双层弹性基础上有限长度的梁。
The lower structure in the coupling system is railway track where rails are considered as beams with finite length rested on double layer continuous elastic foundation.
以弹性地基梁理论为基础,建立了上排钢管幕在超挖和欠挖两种工况下的力学计算模型,推导出钢管幕的挠度曲线及相应的控制方程。
Underexcavation and overexcavation models have been presented based on the elastic foundation beam theory and the corresponding deflection equations and other controlling equations have been deduced.
在此基础上,对水闸整体式平底板现行的弹性地基梁方法进行了分析,同时对此法提出改进。
The derivation is based on the equilibrium of the vertical forces on the slab. The common method of beam on elastic foundation for the integral base is critcized and the improved method is presented.
从动力学微分方程出发,研究了匀速移动载荷作用下弹性基础连续梁和弹性基础铰接梁的计算方法。
Based on the dynamic differential equation, the calculating methods of the continuous and hinged elastic base beams under the action of moving loads with uniform speed are studied in the paper.
对此采用一套以弹性有限元分析为基础的方法,对大面积混凝土梁板结构温度应力进行分析,可为超大建筑物的设计提供依据。
Adopting elastic finite element analysis method to analyze temperature stress in large area concrete beam-slab structure may provide basis for extra huge building design.
为了研究弹性基础上连续梁的振动特性,提出了连续梁桥墩的振型函数表达式。
The mode shape function of the pier was offered to study the dynamic deformation feature of the continuous beam bridge sited on the elastic 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.
本文假定跨区间无缝线路中的无缝道岔为一结构体系,岔枕为连续弹性基础上的有限长梁。
This paper assumes that the welded turnout in the continuously welded rail track is a structural system, and the railway tie in the welded turnout is a beam on the continuously elastic foundation.
该方法突破了日本学者提出的以弹性分析法为基础的预弯梁计算理论。
Elastic analysis method of preflex composite beam proposed by Japanese was broken through.
在此基础上研究了滑移对组合梁挠度、弹性抗弯强度及极限抗弯强度的影响,并建立起相应的计算公式。
Moreover, the influences of slip for deflection, elastic flexural capacity and ultimate flexural strength are researched, and corresponding formulas are inferred.
对此采用一套以弹性有限元分析为基础的方法,对大面积混凝土梁板结构温度应力进行分析,可为超大建筑物的设计提供依据。
Adopting elastic finite element analysis method to analyze temperature stress in large area concrete beam-slab structure may provide basis for ex.
主要在弹性支承连续梁临界轴力求解方法的基础上。提出自锚式悬索桥主梁临界轴力的实用简化计算方法。
Based on the method of calculating the elastic support continuous beam bridge's steady, a practical and simplified method is provided to analyze girder's stability in plane.
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.
参数激励双摆属两自由度时变系统,是研究多自由度系统以及弹性体梁参激振动的基础。
Parametrically excited double pendulum belongs to 2 degree freedom time-varying system, it is a basis to study nonlinear dynamics of multi-degree freedom system and elastic beam.
从动力学微分方程出发 ,研究了匀速移动载荷作用下弹性基础连续梁和弹性基础铰接梁的计算方法。
The dynamic displacement and connection forces characteristics of a floating bridge with nonlinear connecters subjected to moving loads were investigated.
从动力学微分方程出发 ,研究了匀速移动载荷作用下弹性基础连续梁和弹性基础铰接梁的计算方法。
The dynamic displacement and connection forces characteristics of a floating bridge with nonlinear connecters subjected to moving loads were investigated.
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