A computational implementation of modal analysis of continuous dynamic systems

Ariel E. Matusevich; Jose A. Inaudi

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A computational implementation of modal analysis of continuous dynamic systems

机译：连续动力系统模态分析的计算实现

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摘要

A computational implementation of modal analysis of continuous systems is presented. Modal analysis of truss, beam and shaft structures is developed in Matlab~®. A numerical and an analytical method are developed for the computation of mode shapes, natural frequencies and modal equations of continuous structures using the method of separation of variables. Time domain techniques are programmed in modular functions for structural analysis. The functions constitute a set of tools of the Structural Analysis Toolbox (SAT-Lab), developed recently for teaching modelling, analysis and design of structures and mechanical systems. Application examples of the computational tools are presented.

机译：提出了连续系统模态分析的计算实现。 Matlab〜®开发了桁架，梁和轴结构的模态分析。开发了一种数值和解析方法，用于使用变量分离方法计算连续结构的振型，固有频率和振型方程。时域技术通过模块化功能进行编程，用于结构分析。这些功能构成了“结构分析工具箱”（SAT-Lab）的一组工具，最近开发该工具用于教授结构和机械系统的建模，分析和设计。介绍了计算工具的应用示例。

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来源
《International Journal of Mechanical Engineering Education》 |2005年第3期|p.215-234|共20页
作者
Ariel E. Matusevich; Jose A. Inaudi;
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作者单位

Department of Aeronautical Engineering, National University of Cordoba, 5000 Cordoba, Argentina;

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原文格式 PDF
正文语种 eng
中图分类机械、仪表工业;
关键词
vibrations; modal analysis; continuous parameter; software;

机译：振动;模态分析;连续参数;软件;

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A computational implementation of modal analysis of continuous dynamic systems

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