Starting a wave structure interaction CFD simulation from an advance time: Hot-start
dc.contributor.author | Musiedlak, P-H | |
dc.contributor.author | Ransley, E | |
dc.contributor.author | Brown, Scott Andrew | |
dc.contributor.author | Child, B | |
dc.contributor.author | Hann, Martyn | |
dc.contributor.author | Iglesias, Gregorio | |
dc.contributor.author | Greaves, Deborah | |
dc.date.accessioned | 2019-04-04T09:47:15Z | |
dc.date.available | 2019-04-04T09:47:15Z | |
dc.date.issued | 2018 | |
dc.identifier.isbn | 9788494731167 | |
dc.identifier.uri | http://hdl.handle.net/10026.1/13624 | |
dc.description.abstract |
This paper details the reduction of an OpenFOAM CFD WSI simulation to its major event, by starting it at an advance time: a new procedure named hot-start, which is a first step towards a future coupling development. The investigations concern the fluid flow and a structure motion hot-start, taken separately, and are restricted to numerical comparison. Four design waves based upon the NewWave theory are simulated with increasing starting times - where the wave field is initialized as the sum of the linear components of the considered wave - and compare to conventional ones - which are initialized with still water. The structure motion hot-start is assessed using a heave decay test: a conventional heave decay simulation is compared against several ones where the motion, velocity and acceleration of the structure are assigned for several time-steps. An initial mesh-deformation library is specifically created to assign the structure at the hot-start position by incrementally deforming the mesh towards the right structure position. Independent to the non-linearity of the case, a start 4 s prior to the main event is found to be enough to accurately represent the wave field. The motion of the structure was found to require at least 5 time-steps in order to converge to the reference one. Those results aim to be usable for other CFD WSI applications. | |
dc.format.extent | 3224-3235 | |
dc.language.iso | en | |
dc.title | Starting a wave structure interaction CFD simulation from an advance time: Hot-start | |
dc.type | conference | |
dc.type | inproceedings | |
plymouth.date-start | 2018-06-11 | |
plymouth.date-finish | 2018-06-15 | |
plymouth.conference-name | Proceedings of the 6th European Conference on Computational Mechanics (ECCM 6)/7th European Conference on Computational Fluid Dynamics (ECFD 7) | |
plymouth.publication-status | Published | |
plymouth.journal | Proceedings of the 6th European Conference on Computational Mechanics: Solids, Structures and Coupled Problems, ECCM 2018 and 7th European Conference on Computational Fluid Dynamics, ECFD 2018 | |
plymouth.organisational-group | /Plymouth | |
plymouth.organisational-group | /Plymouth/Faculty of Science and Engineering | |
plymouth.organisational-group | /Plymouth/Faculty of Science and Engineering/School of Engineering, Computing and Mathematics | |
plymouth.organisational-group | /Plymouth/PRIMaRE Publications | |
plymouth.organisational-group | /Plymouth/REF 2021 Researchers by UoA | |
plymouth.organisational-group | /Plymouth/REF 2021 Researchers by UoA/UoA12 Engineering | |
plymouth.organisational-group | /Plymouth/Research Groups | |
plymouth.organisational-group | /Plymouth/Research Groups/Marine Institute | |
plymouth.organisational-group | /Plymouth/Users by role | |
plymouth.organisational-group | /Plymouth/Users by role/Academics | |
plymouth.organisational-group | /Plymouth/Users by role/Researchers in ResearchFish submission | |
dc.publisher.place | Glasgow, UK | |
dc.rights.embargoperiod | Not known | |
rioxxterms.licenseref.uri | http://www.rioxx.net/licenses/all-rights-reserved | |
rioxxterms.type | Conference Paper/Proceeding/Abstract |