구형 중공단면을 갖는 원호아치의 자유진동 해석

Free Vibration Analysis of Circular Arches with Rectangular Hollow Section

  • 이태은 (원광대학교 토목환경공학과) ;
  • 이병구 (원광대학교 토목환경공학과) ;
  • 박광규 (대전대학교 토목공학과) ;
  • 윤희민 (원광대학교 대학원 토목환경공학과)
  • 발행 : 2008.04.17

초록

The differential equations governing free vibrations of the elastic arches with rectangular hollow section are derived in polar coordinates, in which the effect of rotatory inertia is included. Natural frequencies is computed numerically for circular arches with both clamped ends and both hinged ends. The lowest four natural frequency parameters are reported, with the rotatory inertia, as functions of three non-dimensional system parameters: the breadth ratio, the thickness ratio and the shape ratio.

키워드