Experimental and Finite Element Modal Analyses of Planar Mechanisms With Three-Dimensional Geometries-Reference-Cited by-同舟云学术

Experimental and Finite Element Modal Analyses of Planar Mechanisms With Three-Dimensional Geometries

Published:1998-09-01 Issue:3 Volume:120 Page:401-403
ISSN:1050-0472
Container-title:Journal of Mechanical Design
language:en
Short-container-title:

Author:

Smaili A.¹,Bagci I.²

Affiliation:

1. Mechanical Engineering Department, Tennessee Technological University, Cookeville, Tennessee, 38505

2. Fleetguard, 1200 Fleetguard Road, Cookeville, TN 38506

Abstract

This article presents the results of numerical and experimental modal analyses of a planar four-bar (4R) mechanism having three dimensional geometry due to the offsets between its links. An experimental mechanism is built and modern modal testing techniques are used. A five-node isoparametric finite element is developed and used to model the mass and flexibility of the links and joints, link offsets, and drive and load shafts. The results obtained from the finite element solution matched closely the experimental results, a testimony to the accuracy of the proposed element. The results indicated that link offsets have considerable influence on the dynamic characteristics of a mechanism system and should be considered in dynamic modeling of planar mechanisms.

Publisher

ASME International

Subject

Computer Graphics and Computer-Aided Design,Computer Science Applications,Mechanical Engineering,Mechanics of Materials

Link

http://asmedigitalcollection.asme.org/mechanicaldesign/article-pdf/120/3/401/5920811/401_1.pdf

Reference8 articles.

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2. Liou F. W. , and PengK. C., 1993, “Experimental Frequency Response Analysis of Flexible Mechanisms,” Mechanism and Machine Theory, Vol. 28, No. 1, pp. 73–81.

3. Masurekar V. , and GuptaD. A., 1987, “Theoretical and Experimental Kinetoelastodynamics Analysis of High-Speed Linkage,” Mechanism and Machine Theory, Vol. 24, No. 1, pp. 325–334.

4. Nagarajan S. , and TurcicD. A., 1992, “Experimental Verification of Critical Speed Ranges for Elastic Closed Loop Linkage Systems,” ASME JOURNAL OF MECHANICAL DESIGN, Vol. 114, pp. 126–130.

5. Smaili, A., and Bagci, I., 1996, “Experimental and Finite Element Modal Analyses of Planar Mechanisms with Three-Dimensional Geometries,” ASME Proceedings of the 24th Biennial Mechanisms Conference, Paper No. DETC/MECH-1180.

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