Analytical Modeling of I-beam as a Sandwich Structure

Q2 Engineering

Engineering Transactions Pub Date : 2018-08-09 DOI:10.24423/ENGTRANS.898.20180809

K. Magnucki, J. Lewiński

引用次数: 5

Abstract

The paper is devoted to an analytical model of I-beam, with consideration of the shear effect. The model is based on the sandwich beam theory. The field displacements and strains are formulated with consideration of a nonlinear hypothesis of flat cross-section deformation of the beam. The governing differential equations for the I-beam are obtained based on the principle of stationary total potential energy. The shear effect of the beam is illustrated for the threepoint bending case. The analytical solution is compared to FEM numerical calculation. The results of the analysis are presented in Tables and Figures.

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工字梁夹层结构的解析建模

本文建立了考虑剪切效应的工字梁的解析模型。该模型基于夹层梁理论。考虑梁的平截面变形的非线性假设，给出了场位移和应变的公式。基于稳态总势能原理，推导了工字梁的控制微分方程。在三点弯曲情况下，说明了梁的剪切效应。将解析解与有限元数值计算结果进行了比较。分析结果以表格和图表的形式呈现。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Engineering Transactions Engineering-Engineering (all)

CiteScore

1.40

自引率

0.00%

发文量

期刊介绍： Engineering Transactions (formerly Rozprawy Inżynierskie) is a refereed international journal founded in 1952. The journal promotes research and practice in engineering science and provides a forum for interdisciplinary publications combining mechanics with: Material science, Mechatronics, Biomechanics and Biotechnologies, Environmental science, Photonics, Information technologies, Other engineering applications. The journal publishes original papers covering a broad area of research activities including: experimental and hybrid techniques, analytical and numerical approaches. Review articles and special issues are also welcome. Following long tradition, all articles are peer reviewed and our expert referees ensure that the papers accepted for publication comply with high scientific standards. Engineering Transactions is a quarterly journal intended to be interesting and useful for the researchers and practitioners in academic and industrial communities.