..., Osakasangyou University, Osaka, Japan ABSTRACT The offshore platform is expected to have important roles on development of wind energy production system. Uncertainty effects on dynamic response evaluations of the structure are also carried out with wave force and seismic force in the present study. The aging...

... ABSTRACT The reduction of greenhouse gas emissions is very important challenge on offshore engineering. The offshore structure is expected to have important contribution on development of wind energy production system. The dynamic response evaluation is required to figure out the effects...

... to the dynamic response evaluations of the platform. For the idealized three-dimensional platform with the pile-soil foundation system, the dynamic response evaluations were carried out through the modal analysis. On the other hand, the uncertainty effects of dynamic forces and structural properties play very...

... on the dynamic response evaluation of the idealized offshore platform model with offshore wind energy production are examined with wave force and seismic force in the present study. The deterioration effects of the structure on the response evaluation are also discussed with the simplified model. Furthermore...

... due to seismic forces. INTRODUCTION To perform the reliable design of an offshore structure on ocean, it is very important to evaluate the wave and seismic forces acting on the offshore structure. The dynamic response evaluation due to wave and seismic forces has significant roles on the reliable...

... effective to estimate the response evaluation to not only the static forces but also the dynamic forces with uncertain situations. It is suggested that the reliability index determined by the MCS method to dynamic forces with considerably different characteristics plays the important roles on the available...

... is applied to evaluate the uncertainty effects on the maximum response quantities of an idealized 3-dimensional offshore platform with foundation. The MCS method can be efficiently applied to the response evaluations of the offshore platform with pile foundation system with uncertainties. It is shown...

... response evaluations in severe situations. If the offshore structure is subjected to severe dynamic loads such as wave forces and seismic forces with uncertainties, it is very important to figure out the dynamic response characteristic for the reliable design of the structure. In the present study, the MCS...

... ABSTRACT For an offshore structure subjected to severe wave forces, it is very important to make the dynamic response characteristics clearly for the reliable design of the structures. The random vibration approach gives very effective methods on the dynamic response evaluations...

... ABSTRACT For an offshore structure located in a seismic area, it is very important to clarify the dynamic response characteristics due to seismic forces. Especially, nonlinear dynamic response evaluations of an offshore platform subjected to severe seismic forces are examined. The dynamic...

... ABSTRACT The random vibration approach on gives very effective methods to the dynamic response evaluations of an offshore structure subjected to dynamic forces. While the linear response evaluation be efficiently carried out using the random vibration approach, it is hard for the random...

... tubular section) subjected to wave forces are examined using nonlinear dynamic response analysis. Since the dynamic characteristics of input motions have significant roles on the response evaluations of the structure, it is important o perform the nonlinear dynamic response evaluations due to wave forces...

...Proceedings of the Eighth (1998) International Offshore and Polar Engineering Conference Montreal, Canada, May 24-29,1998 Copyright © 1998 by The International Society of Offshore and Polar Engineers ISBN 1-880653-34-6 (Set); ISBN 1-880653-35-4 (Vol. 1) Dynamic Response Evaluations of Offshore...

... of the soil-foundation system. Some parameters, which are used for the evaluation of wave force and the dynamic characteristics of the structure, give important effects on the response evaluation. It is shown that since these effects are evaluated with the perturbation method, the reliability index provides...

... these forces are also random and provide significant roles on the dynamic response evaluations of an offshore" structure. It seems that it is important to examine the effects of these parameters on the dynamic response evaluations in order to perform reliable evaluations of the responses. Generally the random...