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The influence of aeration and compressibility on slamming loads during cone water entry

hal.structure.identifierInstitut de Recherche Dupuy de Lôme [IRDL]
hal.structure.identifierÉcole Nationale Supérieure de Techniques Avancées Bretagne [ENSTA Bretagne]
dc.contributor.authorELHIMER, Mehdi
hal.structure.identifierInstitut de Recherche Dupuy de Lôme [IRDL]
hal.structure.identifierÉcole Nationale Supérieure de Techniques Avancées Bretagne [ENSTA Bretagne]
dc.contributor.authorJACQUES, Nicolas
hal.structure.identifierInstitut de Recherche Dupuy de Lôme [IRDL]
hal.structure.identifierÉcole Nationale Supérieure de Techniques Avancées Bretagne [ENSTA Bretagne]
dc.contributor.authorEL MALKI ALAOUI, Aboulghit
hal.structure.identifierInstitut de Recherche de l'Ecole Navale [IRENAV]
dc.contributor.authorGABILLET, Céline
dc.date.accessioned2021-05-14T09:51:44Z
dc.date.available2021-05-14T09:51:44Z
dc.date.created2016
dc.date.issued2017-04
dc.identifier.issn0889-9746
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/77385
dc.description.abstractEnThe problem of the impact between a rigid body and a gas-liquid mixture is relevant to various engineering applications, including the design of breakwaters and LNG containers. In the present study, the particular problem of the impact of a rigid cone upon the surface of an aerated liquid is investigated. Numerical simulations of water entry of cones with different deadrise angles (7° and 15°) were performed using an explicit finite element method. The air-water mixture is modelled as a homogeneous fluid with a specific equation of state. In addition, experimental tests of the impact of a cone with a deadrise angle of 7° on the surface of bubbly water were performed. The air volume fraction was measured prior to the impact tests using optical probes, and the instantaneous impact force on the cone was measured using strain gauges. The results highlight a significant reduction of the impact load with the increase of the air volume fraction. Moreover, the numerical results show that this reduction is also dependent on the impact velocity. This phenomenon is found to be related to the nonlinearity of the equation of state of the air-water mixture.
dc.language.isoen
dc.publisherElsevier
dc.subject.enWater entry
dc.subject.enAerated liquid
dc.subject.enFluid-structure interaction
dc.subject.enImpact
dc.subject.enRigid cone
dc.subject.enSlamming
dc.subject.enMeasurement
dc.subject.enModeling
dc.title.enThe influence of aeration and compressibility on slamming loads during cone water entry
dc.typeArticle de revue
dc.identifier.doi10.1016/j.jfluidstructs.2016.12.012
dc.subject.halSciences de l'ingénieur [physics]
bordeaux.journalJournal of Fluids and Structures
bordeaux.page24-46
bordeaux.volume70
bordeaux.hal.laboratoriesInstitut de Mécanique et d’Ingénierie de Bordeaux (I2M) - UMR 5295*
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionBordeaux INP
bordeaux.institutionCNRS
bordeaux.institutionINRAE
bordeaux.institutionArts et Métiers
bordeaux.peerReviewedoui
hal.identifierhal-01485641
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01485641v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Fluids%20and%20Structures&rft.date=2017-04&rft.volume=70&rft.spage=24-46&rft.epage=24-46&rft.eissn=0889-9746&rft.issn=0889-9746&rft.au=ELHIMER,%20Mehdi&JACQUES,%20Nicolas&EL%20MALKI%20ALAOUI,%20Aboulghit&GABILLET,%20C%C3%A9line&rft.genre=article


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