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Development of a finite element analysis program for structural dynamics applications.

机译:开发用于结构动力学应用程序的有限元分析程序。

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摘要

Scope and method of study. The finite element method is a powerful method to find solutions for engineering problems. Structural dynamics is an important concept for understanding behavior of structures under different types of dynamic loads. The combination of these two concepts into a seamless, integrated computer program to analyze structural systems considering dynamic, time-dependent loads provides tremendous capabilities with respect to numerical analysis. The implementation of the theoretical development of both concepts into a fully-functional MATLAB computer program provided the primary objective of this study.;Findings and conclusions. The development of the MATLAB computer program to analyze a structural system using the finite element method incorporating structural dynamic response due to time-varying loads was accomplished. Several case studies were presented that illustrate the capabilities of this program with respect to determining the response of the structural system. In the current study, bilinear quadrilateral (Q4) isoparametric finite elements were used to construct the finite element mesh of the structural system. The finite element method was then integrated with a numerical time-stepping method, the Newmark-Beta method, to determine the response of the structural system due to a dynamic loading.
机译:研究范围和方法。有限元方法是找到工程问题解决方案的有力方法。结构动力学是了解结构在不同类型的动态载荷下的行为的重要概念。将这两个概念组合到一个无缝的,集成的计算机程序中,以考虑动态的,与时间有关的载荷来分析结构系统,从而为数值分析提供了巨大的功能。将这两个概念的理论发展实施为功能齐全的MATLAB计算机程序,是本研究的主要目的。完成了使用有限元方法分析结构系统的MATLAB计算机程序的开发,该方法结合了由于时变载荷而引起的结构动力响应。提出了几个案例研究,这些案例说明了该程序在确定结构系统响应方面的功能。在当前的研究中,使用双线性四边形(Q4)等参有限元来构造结构系统的有限元网格。然后将有限元方法与数值时步方法(Newmark-Beta方法)集成在一起,以确定结构系统在动态载荷作用下的响应。

著录项

  • 作者

    Saglar, Muhammet Ali.;

  • 作者单位

    Oklahoma State University.;

  • 授予单位 Oklahoma State University.;
  • 学科 Engineering Civil.
  • 学位 M.S.
  • 年度 2009
  • 页码 107 p.
  • 总页数 107
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 建筑科学;
  • 关键词

  • 入库时间 2022-08-17 11:38:30

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