A Study on the Design Optimization of Vibrarion Characteristics for Stiffened Cylindrical Shells

원주방향 보강재와 직교방향 보강재의 형상에 따른 원통형 쉘에 대한 진동의 최적화에 관한 연구

The cylindrical shells are mainly used in the nuclear energy structure, pressure vessel, boiler and so on. When designing of shell structures, predicting the structure change under variety boundary conditions are necessary for estimating the safety. Design variables for the design engineer include multiple material systems and boundary conditions, in addition to overall structural design parameters. Since the vibration of stiffened cylindrical shell is an important consideration for structures design, the reliable prediction method and design methodology should be required. In this study, the optimum design of stiffened cylindrical shell for maximum natural frequency was studied by analytic and numerical method.