On the Modeling of Coupled Vibration of Rotating Thin-Walled Closed-Section Composite Beams
The free vibration model of a rotating composite thin-walled closed-section beams is presented in this paper. The two-dimensional cross-sectional analysis based on the variational-asymptotical method(VAM) is combined with the Hamiltons principle to derive the equations of motion and associated boundary conditions of the beams. The Galerkin method is employed in order to solve the coupled differential equations. The natural frequency results obtained for the present model are compared with those of the existing models. Numerical results are obtained for the laminated composite cantilevered box beam with Circumferentially Uniform Stiffhess(CUS) configuration, the effects of the fiber orientation, pitch and precone on the natural frequencies associated with coupled vibration modes are investigated.
Coupled vibration Rotating composite thin-walled beams Pitch and precone angle.
Yongsheng Ren Xianghong Du Wenli Yao
College of Mechanical and Electronic Engineering, Shandong University of Science &Technology,Qindao, Qingdao Technological University, Qindao, China 266033
国际会议
2010 International Conference on Advanced Mechanical Engineering(2010年先进机械工程国际学术会议 AME 2010)
洛阳
英文
758-763
2010-09-04（万方平台首次上网日期，不代表论文的发表时间）