{"title":"在自由表面运动的振荡椭球的水动力系数","authors":"R. Inglis, W. Price","doi":"10.2514/3.48179","DOIUrl":null,"url":null,"abstract":"The frequency dependent heave, pitch, sway, and yaw hydrodynamic coefficients associated with an oscillating ellipsoid traveling with forward speed in the free surface are evaluated from a three-dimensio nal potential flow analysis. The free-surface boundary condition in the mathematical model either includes the influence of forward speed or is simplified to the equivalent zero speed case. This variation produces a velocity potential which is either frequency and speed dependent or just frequency dependent. The influence of forward speed on all the hydrodynamic coefficients is discussed.","PeriodicalId":157493,"journal":{"name":"Journal of Hydronautics","volume":"110 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1980-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"9","resultStr":"{\"title\":\"Hydrodynamic coefficients of an oscillating ellipsoid moving in the free surface\",\"authors\":\"R. Inglis, W. Price\",\"doi\":\"10.2514/3.48179\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The frequency dependent heave, pitch, sway, and yaw hydrodynamic coefficients associated with an oscillating ellipsoid traveling with forward speed in the free surface are evaluated from a three-dimensio nal potential flow analysis. The free-surface boundary condition in the mathematical model either includes the influence of forward speed or is simplified to the equivalent zero speed case. This variation produces a velocity potential which is either frequency and speed dependent or just frequency dependent. The influence of forward speed on all the hydrodynamic coefficients is discussed.\",\"PeriodicalId\":157493,\"journal\":{\"name\":\"Journal of Hydronautics\",\"volume\":\"110 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1980-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"9\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Hydronautics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.2514/3.48179\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Hydronautics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2514/3.48179","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Hydrodynamic coefficients of an oscillating ellipsoid moving in the free surface
The frequency dependent heave, pitch, sway, and yaw hydrodynamic coefficients associated with an oscillating ellipsoid traveling with forward speed in the free surface are evaluated from a three-dimensio nal potential flow analysis. The free-surface boundary condition in the mathematical model either includes the influence of forward speed or is simplified to the equivalent zero speed case. This variation produces a velocity potential which is either frequency and speed dependent or just frequency dependent. The influence of forward speed on all the hydrodynamic coefficients is discussed.
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