유체유동에 의한 외력을 고려한 회전 블레이드의 동역학적 거동해석

DOI QR코드

DOI QR Code

서석;유홍희;윤준용
Seo, Seok;Yu, Hong-Hui;Yun, Jun-Yong

  • 발행 : 2000.09.01

초록

A dynamic modeling of a rotating pretwist blade which interacts with the fluid is proposed in this study. The hybrid deformation variable modeling method is employed to derive the equations of motion. The external force and moment induced by the fluid (with fixed configurations of the blade) are obtained by fluid flow analysis and tabulated in a database. This database is efficiently utilized to save the computational effort to calculate the dynamic response of the blade. The numerical results show that the fluid affects the transient response as well as frequency characteristics of the system

키워드

동적 해석;초기 비틀림을 갖는;회전 블레이드;유동유체에 의한 외력;강성변화 효과;고유진동수 변화

참고문헌

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