VIBRATION ANALYSIS OF ROTATING FUNCTIONALLY GRADED CY-LINDRICAL SHELLS WITH ORTHOGONAL STIFFENERS

Authors

  • TRAN MINH TU NATIONAL UNIVERSITY OF CIVIL ENGINEERING
  • NGUYEN VAN LOI NATIONAL UNIVERSITY OF CIVIL ENGINEERING

Keywords:

NATURAL FREQUENCY, ROTATING, FUNCTIONALLY GRADED MATERIAL, VIBRATION ANALYSIS, CYLINDRICAL SHELL, ORTHOGONAL STIFFENERS.

Abstract

IN THIS PAPER, FREE VIBRATION ANALYSIS OF ROTATING FUNCTIONALLY GRADED CYLINDRICAL SHELLS WITH ORTHOGONAL STIFFENERS IS PRESENTED. BASED ON LOVEÂS FIRST APPROXIMATION THEORY AND SMEARED STIFFENERS TECHNIQUE, THE GOVERNING EQUATIONS OF MOTION WHICH TAKE INTO ACCOUNT THE EFFECTS OF INITIAL HOOP TENSION AND ALSO THE CENTRIFUGAL AND CORIOLIS FORCES DUE TO ROTATION ARE DERIVED. THE INFLUENCE OF THE POWER LAW INDEX, THE STIFFENERÂS HEIGHT-TO-WIDTH RATIO, THE CIRCUMFERENTIAL WAVE NUMBERS, THE SHELL LENGTH-TO-RADIUS RATIO, AND THE SHELL RADIUS-TO-THICKNESS RATIO ON THE NATURAL FREQUENCIES OF THE SIMPLY SUPPORTED ROTATING STIFFENED FUNCTIONALLY GRADED CYLINDRICAL SHELL ARE INVESTI-GATED. TO VALIDATE THE PRESENT ANALYSIS, COMPARISONS ARE MADE WITH THOSE AVAILABLE IN THE LITERATURE FOR PARTICULAR CASES; VERY GOOD AGREEMENTS ARE ACHIEVED.

Downloads

Published

2016-11-01

Issue

Vol. 13 No. 15 (2016)

Section

Articles

License

Authors who publish with this journal agree to the following terms:

 

  1. Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License [CC BY] that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
  2. Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
  3. Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access).