Comments on "Vibration of a Rotating Beam with Tip Mass"

Abstract

Recently Hoa presented a finite element model to obtain the vibration frequencies of a rotating beam with tip mass. It was discovered later that there was a minus sign missing in the expression for d in Table 1 of reference 1: the correct expression should be d = -(R' + n). The correct expression for d gives faster convergence in teh finite element results and slightly smaller values than those report in reference 1.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1980
Accession Number
ADA098204

Entities

People

  • Dewey H. Hodges
  • Michael J. Rutkowski
  • S. V. Hoa

Tags

DTIC Thesaurus Topics

  • California
  • Convergence
  • Discontinuities
  • Engineering
  • Frequency
  • Frequency Shift
  • Helicopters
  • Mechanical Engineering
  • Military Research
  • Nonuniform
  • Polynomials
  • Universities
  • Vibration

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  • Aerodynamics.
  • Regression Analysis.
  • Theoretical Analysis.