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RESEARCH PAPERS: Vibration and Sound

Structural Modification of Advanced Turbomachine Blading by Dynamic Stiffness Matrix Operations

[+] Author and Article Information
D. I. G. Jones

Materials Laboratory (AFWAL/MLLN), Wright-Patterson AFB, Ohio

A. Muszynska

Bently Rotor Dynamics Research Corporation, Minden, Nevada

J. Vib., Acoust., Stress, and Reliab 110(4), 450-455 (Oct 01, 1988) (6 pages) doi:10.1115/1.3269549 History: Received August 15, 1987; Online November 23, 2009

Abstract

This paper examines the application of matrix transformations from the experimentally obtained receptance matrix to the dynamic stiffness matrix to determine changes of blade stiffness and/or mass characteristics which will achieve desired modifications of blade dynamic behavior. Results for a specific turbine blade configuration are used to illustrate the approach.

Copyright © 1988 by ASME
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