Free Vibration Analysis of Centrifugally Stiffened Tapered Functionally Graded Beams

被引：19

作者：

Shahba, Ahmad ^{[1
,2
]}

Attarnejad, Reza ^{[1
,2
]}

Zarrinzadeh, Hossein ^{[1
]}

机构：

[1] Univ Tehran, Univ Coll Engn, Sch Civil Engn, Tehran 113654563, Iran

[2] Univ Tehran, Ctr Numer Methods Engn, Tehran 113654563, Iran

来源：

MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2013年 / 20卷 / 05期

关键词：

basic displacement function; shape functions; finite element method; functionally graded materials; tapered rotating beam; free vibration; BASIC DISPLACEMENT FUNCTIONS; DYNAMIC STIFFNESS METHOD; INHOMOGENEOUS BEAMS; ROTATING BEAMS; POLYNOMIAL SOLUTIONS; TIMOSHENKO;

D O I：

10.1080/15376494.2011.627634

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Free vibration of rotating tapered beams made of functionally graded (FG) materials is studied through a finite element approach. A new element is introduced that takes advantage of the exact shape functions for nonrotating tapered FG beam elements. Developing a new type of unit-dummy-load method, special functions, namely, basic displacement functions (BDFs) are derived from which the exact shape functions are obtained. The element is employed in free vibration analysis where the effects of taper ratio, rotational speed, and hub radius are investigated. The present results could be efficiently used for future research works in this field.

引用

页码：331 / 338

页数：8

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