Print Email Facebook Twitter Generating an ensemble of mutually exclusive and exhaustive waves targeted for extreme responses Title Generating an ensemble of mutually exclusive and exhaustive waves targeted for extreme responses Author Seyffert, Harleigh C. (TU Delft Ship Hydromechanics and Structures) Date 2022 Abstract To examine the reliability or performance of marine systems related to dynamic time-varying responses, time domain simulation may be required. But for long durations, brute-force simulation is clearly not feasible from a computational point of view to examine converged extreme value statistics. An additional challenge is defining a set of mutually exclusive and exhaustive wave excitation records which excite the desired extreme response(s). To address these challenges, this work develops a non-linear Design Loads Generator (NL-DLG) process which links wave profiles targeted for extreme responses generated via response-conditioning wave techniques to a probabilistic framework which examines the possible correlation or mutual exclusivity between those wave profiles. The end result is an ensemble of short targeted wave profiles which excite converged extreme value return-period statistics of a defined response that may be excited by multiple correlated processes. The method of the NL-DLG process is explained by applying it towards rare wave groups, where the result is an ensemble of short wave profiles which contain extreme occurrences of different wave groups targeted for the defined exposure duration. These generated wave excitation profiles are compared to physical data from the Pt. Reyes buoy and then numerical simulations are employed to consider rarer events. Subject Joint extreme valuesLong return-periodsRare responsesRare wave groupsTargeted simulation To reference this document use: http://resolver.tudelft.nl/uuid:fd6a1dec-7602-46f0-9c29-5a686665c157 DOI https://doi.org/10.1016/j.oceaneng.2021.110172 ISSN 0029-8018 Source Ocean Engineering, 243 Part of collection Institutional Repository Document type journal article Rights © 2022 Harleigh C. Seyffert Files PDF 1_s2.0_S0029801821014918_main.pdf 4.65 MB Close viewer /islandora/object/uuid:fd6a1dec-7602-46f0-9c29-5a686665c157/datastream/OBJ/view