유체가 흐르는 인장 가능한 곡선관의 고유진동수 해석

Abstract

The vibration of a curved pipe conveying fluid is studied when the pipe is clamped at both ends. To consider the nonlinearity, this study adopts the Lagrange strain theory for large deformation and the extensible dynamics based on the Euler-Bernoulli beam theory for slenderness assumption. by using the Hamilton principle, the non-linear partial differential equation are derived. To investigate the dynamic characteristics of the system, the discretized equations of motions are computed. From these results, we should consider the nonlinearity to analyze dynamic of a curved pipe conveying fluid more precisely.