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首页> 外文期刊>International Journal of Solids and Structures >Numerical analysis of thin walled beams with internal unbonded cables by the Ritz method
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Numerical analysis of thin walled beams with internal unbonded cables by the Ritz method

机译：内无粘结电缆薄壁梁的Ritz数值分析

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The authors analyze the behavior of thin walled beams crossed by internal stretched cables anchored at their ends but free to slip without friction along their path, by using a previously presented model. The guidelines for the numerical solution of the linear elastic Problem and the stability analysis are presented in general form and applied to a class of problems of technical interest. The numerical analysis examines the case of simply supported beam with symmetric open cross section, crossed by a cable placed on rectilinear or parabolic paths lying in the symmetry plane, assuming as problem variables the beam stiffness, the parameters describing the cable path and the cable traction force. This permitted evidencing some aspects of the problem of interest in structural engineering, by showing the relations between stress increments of beam and cable under external force and the complex relations arising between beam bending, torsional and shear stiffness, cable path, cable traction force and external load in the stability analysis. (C) 1997 Elsevier Science Ltd. [References: 9]
机译：作者使用先前介绍的模型分析了薄壁梁的行为，这些梁由锚固在端部的内部拉伸电缆交叉但沿其路径自由滑动而没有摩擦的行为。线性弹性问题的数值解和稳定性分析的准则以一般形式提出，并应用于一类技术性问题。数值分析检查了具有对称开口截面的简单支撑梁的情况，该梁被放置在对称平面上的直线或抛物线路径上的电缆交叉，假定梁刚度，描述电缆路径和电缆牵引力的参数作为问题变量力。通过显示在外力作用下梁和电缆的应力增量之间的关系以及在梁弯曲，扭转和剪切刚度，电缆路径，电缆牵引力和外部之间产生的复杂关系，可以证明结构工程中感兴趣的问题的某些方面稳定性分析中的负载。 （C）1997 Elsevier Science Ltd. [参考：9]

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