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Numerical modeling of full-coupled fluid-structure interaction

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dc.contributor.advisor Liu, Philip L. F.
dc.contributor.advisor Yim, Solomon C. S.
dc.creator Yuk, Dongjun
dc.date.accessioned 2012-04-13T16:56:34Z
dc.date.available 2012-04-13T16:56:34Z
dc.date.copyright 2004-11-01
dc.date.issued 2004-11-01
dc.identifier.uri http://hdl.handle.net/1957/28733
dc.description Graduation date: 2005 en_US
dc.description.abstract A numerical model for the simulation of fully-coupled fluid-structure interaction is developed in this study. In modeling the fluid, the Reynolds Averaged Navier-Stokes equations are solved for an incompressible viscous fluid field and a k-ε model is employed for turbulence computations. Hydrodynamic forces obtained by the integration of the fluid pressure along the structural boundaries are applied as external excitation forces to the structural system and the dynamic response of the structural system is computed based on dynamic equilibrium. To determine the nonlinear dynamic response of the structure in the flow field, iterative procedures are developed. The numerical model is verified and validated through comparisons with several different types of experiments. The numerical model is then applied to examine the runup and rundown of the submarine landslide generated waves with various configurations. The functional relationships between the maximum runup/rundown and the geometric and material properties of landslides are obtained. The numerical model is also applied to predict the experimental moored response of a structure subjected to periodic waves. The linear and nonlinear waves, as well as the structural response, are modeled accurately. The dynamic response of the moored structure, which is modeled with nonlinear restoring forces, shows the characteristic behaviors such as subharmonic/ super-harmonic responses. General application procedures for the fluid-structure interaction model are presented. The subaerial and aerial drop of a rigid body and the influence of impact on the fluid body are examined. en_US
dc.language.iso en_US en_US
dc.subject.lcsh Fluid-structure interaction -- Mathematical models en_US
dc.title Numerical modeling of full-coupled fluid-structure interaction en_US
dc.type Thesis/Dissertation en_US
dc.degree.name Doctor of Philosophy (Ph. D.) in Civil Engineering en_US
dc.degree.level Doctoral en_US
dc.degree.discipline Engineering en_US
dc.degree.grantor Oregon State University en_US
dc.contributor.committeemember Higdon, Robert L.
dc.contributor.committeemember Higginbotham, Jack F.
dc.contributor.committeemember Scott, Michael H.
dc.description.digitization File scanned at 300 ppi (Monochrome, 8-bit Grayscale) using ScandAll PRO 1.8.1 on a Fi-6670 in PDF format. CVista PdfCompressor 4.0 was used for pdf compression and textual OCR. en_US
dc.description.peerreview no en_us


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