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Keywords: hydroelastic response
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Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1317
... of ship width and depth is very large so that its 3D hydroelastic response involving bending and torsion is significant. A model test for the trapezoidal large floating structure was carried out in this paper to study its load and response characteristic. Firstly, the test model of structure was designed...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1315
... subsea system digital image correlation application module wave amplitude displacement experiment amplitude wavelength regular wave application relative error incident wave amplitude deformation trough artificial intelligence wave probe certus system hydroelastic response plate...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1230
... ABSTRACT The Marginal Ice Zone (MIZ) is the transition region between open waters and the sea ice, which has an important effect on ships and offshore structures. A numerical study on the hydroelastic response of ice floes under the action of regular waves in MIZ is presented in this paper...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-716
... ABSTRACT This paper investigates the hydroelastic responses of the horizontal porous plate attached at the front of a very large rectangular floating structure. The model is based on two-dimensional linear potential theory and adopts Darcy's law to represent energy dissipation. It is assumed...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-215
... ABSTRACT This paper investigates the sloshing effect in an enclosed water surface due to the hydrodynamic interaction and hydroelastic response of large floating multi-bodies under regular waves by using the coupled finite-element boundary-element (FE-BE) method. The wave elevations...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-201
... mode shapes are determined through the application of a FEM based structural model. The diffraction/radiation problem is solved using the boundary integral equation method. Focus is given on the flexible modes' generalized hydrodynamic forcing and responses, the spar's hydroelastic response...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-071
... slope angle of the sloping seabed and varying relative positions between the floating structure and the sloping seabed, on hydroelastic responses of a floating structure are investigated by utilizing the proposed hybrid technique. INTRODUCTION For floating structures, such as VLFS, which have large...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-641
... meters in moulded depth, with a high ratio of length to depth. Therefore, it is necessary to consider the 3D hydroelastic response for strength evaluation of the trapezoidal large floating structure. Flat and long structure has significant bending springing response in waves. In this paper, a large 3D...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-707
... ABSTRACT Second-order hydroelastic responses for flexible floating bodies are investigated by using a direct time-domain Higher Order Boundary Element Method (HOBEM) which was developed at Osaka University (He and Kashiwagi, 2014). To calculate the second-order hydrodynamic forces, the second...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-505
... al., 2006). Alternatively, by including the added mass and the hydrostatic-gravitational stiffness in a solution of the eigenvalue problem, the use of "wet" mode shapes in the hydroelastic analysis can be realized (Hamamoto and Fujita, 2002; Loukogeorgaki et al., 2012). hydroelastic response...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-637
... corner. Considering multiple dynamic excitation sources acting on the frame structure such as random waves, mooring tension, wind loads, and wind turbine dynamics, the coupled hydroelastic responses of the MUFOWT are investigated in terms of resonance risk and consequences in motion and structural...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-209
... hydroelastic response. The B-spline Galerkin scheme developed by Kashiwagi (Kashiwagi, 1998a) is a typical mode-expansion method. It uses B-spline function to represent the pressure and Gakerkin scheme is applied for meeting the boundary conditions. This method reduces computational time well and the accuracy...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-247
... of the vertical elastic plate is affected by the presence of the fluid. It is worth to pay attention that the wave forcing of a vertical elastic plate can be used to model a wide range of marine structures; for example seawalls, LNG tanks, and breakwaters. For this reason, the hydroelastic response of a vertical...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-462
... to the stiffness of the connectors. floating production system hydroelastic response heave motion connector rigid body motion stiffness wave length wave incoming direction elastic deformation fpso response crest vertical displacement amplitude wave frequency vlf subsea system rigid body...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-796
... connector haicheng zhang 1 characteristic subsea system vlf nonlinearity nonlinear network dynamic characteristic connector stiffness hydroelastic response connector module amplitude death Nonlinear Network Dynamic Characteristics of Multi-Module Floating Airport with Flexible Connectors...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-546
... and PFS' hydroelastic response. 3D experiments are conducted for a PFS' configuration consisting of modules connected with hinge-type connectors and moored with chains. The numerical modeling is implemented in frequency domain considering rigid modules and hinge joints and using modal functions...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-340
... nonlinear backbone artificial intelligence hydroelastic response elastic backbone internal load torsion container ship marine transportation forward speed frequency structural model freight & logistics services model test numerical model hull knot Comparisons of Experimental...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-208
... proposed to predict the hydroelastic response of this structure in waves (Watanabe (2004); Chen (2006)). These methods are classified into the modal expansion method and the direct method. These analyses are carried out in the frequency domain or in the time domain. Most analysis so far dealt with VLFS...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-082
... ABSTRACT Studies on the estimation of hydroelastic response of ultra-large container ships have been conducted with comparative verification between experimental and numerical results in order to accurately estimate the hull structural strength due to whipping and springing. Tank tests using...
Proceedings Papers

Paper presented at the The Nineteenth International Offshore and Polar Engineering Conference, July 21–26, 2009
Paper Number: ISOPE-I-09-526
... calculation fluid motion mechanical condition application analytical method variational principle isshiki pontoon-type vlf displacement kinematic condition equation velocity potential plan geometry hydroelastic behavior exp boundary condition hydroelastic response offshore cal...

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