Abstract
With multiple nonlinear behaviors involved, bolted-flange joints are complex in nature, especially when exposed to dynamic loads. In this paper, a simplified nonlinear dynamic model is proposed for a cylinder assembled by the bolted-flange joint. The geometric, material and contact nonlinearity is modeled by nonlinear spring elements with different tensile and compressive stiffness. The moduli of the springs are obtained from physical tests or numerical simulations. It is discovered that there exists a special type of conditional coupling behaviors between transverse and longitudinal vibration. To overcome the system energy dissipation, the implicit method in ANSYS and extremely small time step are employed. The data of displacement response, coupled with the response frequencies obtained thru FFT, validates the existence of the coupling vibration response.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: IOP Conference Series: Materials Science and Engineering
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
