Hong Hee Yoo
한양대학교 기계공학과 · 공학
홍희유 교수의 연구실은 구조물의 동역학적 거동을 분석하는 데 초점을 맞추고 있으며, 특히 회전하는 보와 판 구조물의 진동 특성 및 고유진동수 해석에 전문성을 가진다. 비틀림 진동, 경량 구조물의 강성 변화 효과, 그리고 집중 질량이 부착된 보의 모드 특성 분석을 포함한 선형화된 운동 방정식 수립이 핵심 연구 주제이다. 또한 생체 조직의 점탄성 거동을 진동 실험을 통해 측정하는 생체재료 분석 분야에도 기여하고 있다.
표시된 성과는 수집된 데이터 기준으로 산출되며, 일부 차이가 있을 수 있습니다.
Linearized equations of motion for the free vibration analysis of rotating cantilever plates are derived. Two inplane stretch variables are introduced and approximated to obtain the ordinary differential equations of motion. The use of the two in-plane stretch variables enables one to obtain the equations of motion, which include proper motion-induced stiffness variation terms. The equations of motion are transformed into dimensionless forms in which dimensionless parameters are identieed. The e
Abstract Linear equations of motion for the flapwise bending vibration analysis of rotating plates are derived in the present work. The equations of motion are transformed into dimensionless forms in which three dimensionless parameters are identified. The effects of the dimensionless parameters on the characteristics of the flapwise bending vibration of rotating plates are investigated. The accuracy of the present modelling method is verified through comparing its numerical results to those obt
Modal characteristics of rotating cantilever beams with a concentrated mass located in an arbitrary position are investigated in this paper. Equations of motion are derived by employing hybrid deformation variables. The resulting equations are linear but capture the stiffening effect induced by the rotational motion of the beam. For modelling of the concentrated mass, use is made of the Dirac delta function, which avoids increasing the degrees of freedom of the system. The resulting equations of
