... ABSTRACT In this paper, linear frequency-domain hydroelastic analysis is performed for investigating the behavior of a spar-type supporting platform of a floating offshore wind turbine considering the platform's flexibility. A "dry" mode superposition approach is utilized, where the flexible...

... probability vbm freight & logistics services peak value ship wet natural frequency calculation maximum value assessment ultimate strength assessment segmented model test marine transportation model test trough time history model ship natural frequency hydroelastic analysis...

... hydroelasticity platform (HMOER) is used to calculate 3D hydroelastic response of trapezoidal structure. BEM wave load solver (Hydrostar) is used to calculate wave load and motion, previous 6 flexible modal modes are evaluated for hydroelastic analysis, 3D hydroelastic response involving bending is solved based...

... Hydroelastic Analysis of an Annular Flexible Floating Plate Eva Loukogeorgaki1 and Masashi Kashiwagi2 1Department of Civil Engineering, Aristotle University of Thessaloniki (AUTh) Thessaloniki, Greece 2Department of Naval Architecture and Ocean Engineering, Osaka University Osaka, Japan ABSTRACT...

... responses. Using the time-domain hydroelastic analysis tool and time-domain offshore wind turbine dynamics analysis tool developed by the present authors, we investigate global performance of the MUFOWT including the dynamic deformation resulted from the interactions of the floating body dynamics, random...

... accommodation wave approach hatch corner container ship hydroelastic analysis natural frequency ship torsional load freight & logistics services assessment marine transportation Springing Induced Fatigue Damage Assessment including Torsional Loads on a Large Container Ship Young-Hwan Kim1...

... tank hydroelastic analysis rigid method foundation vibration 332 Abstract With increasing demands for huge dimensions of ships and the wide use of high-strength steel, the stiffness of ships has been becoming lower. And that is why the natural frequency of ships gets smaller, which...

... Abstract The 3-D linear time domain hydroelastic theory is developed in this paper. A kind of 3-D nonlinear time domain hydroelastic analysis method of ship motions and wave loads in the regular wave is given with the nonlinear factors considering the instantaneous position variation of body...

... for the flexible mode shapes' determination. The applicability of the numerical modeling is also investigated for flexible connectors. ttot nd pf configuration hydroelastic analysis diamantoulaki characteristic experimental result angelide configuration loukogeorgaki upstream oil & gas...

... illustrate the occurrence of amplitude death in a parameter domain spanned by wave period and connector stiffness. The paper presents a new methodology for nonlinear dynamics prediction of very large floating structures. airport struct hydroelastic analysis wave height stiffness flexible...

... ABSTRACT: The importance of mathematical models for ship hydroelastic analysis grows with the design of ever larger container ships which have specific design and exploitation characteristics. Compared with other merchant ships, they are characterized by relatively lower torsional stiffness...

... ABSTRACT: We propose design charts for very large floating structures (VLFS). The design charts are developed to easily estimate the stress development of VLFS without cost-demanding hydroelastic analysis. To develop the charts, we have carried out an extensive set of hydroelastic analyses...

...) mechanism. The FFB consists of a grid of floating modules connected flexibly in two directions by: connectors with known properties and hydraulic power take-off mechanisms with known damping characteristics. The objective is to perform a linear hydroelastic analysis in frequency domain with a radiation...

... ABSTRACT In this paper, the significance of the inclusion of the wave frequency dependent added mass, additionally, to the hydrostatic-gravitational stiffness in the hydroelastic analysis of flexible Floating Structures (FSs) is demonstrated and investigated. The numerical approach includes...

... In this paper, linear hydroelastic analysis is performed in order to investigate the dynamic response and the effectiveness of a new type of Floating Breakwaters (FBs) that consists of a grid of flexible floating modules connected with flexible connectors in longitudinal and transverse...

.... The results show decent agreement with experiments and another available computer code. Moreover, the approach was found to be computationally efficient. INTRODUCTION The growing need for larger ocean going vessels and other ocean structures, calls for hydroelastic analysis of these structures...

... analysis. It is shown that an appropriate structural stiffness of mat-type VLFS could be found through the parametric analyses and the results can give physical insight on wave loading and structural response of mat-type VLFS to structure designers. KEY WORDS: VLFS, hydroelastic analysis, structural design...

... because of its high demanding computational resources. In the present paper, we extend Kim & Ertekin's eigenfunction expansion method to three dimensions, and provide a more efficient numerical model for the hydroelastic analysis of a mat-type VLFS. The presence of a breakwater and the proximity...

... ABSTRACT This paper is concerned with the hydroelastic analysis of a pontoontype circular very large floating structure (VLFS). For more accurate evaluation of the stress-resultants, the more refined Mindlin plate theory has been adopted to model the circular plate, instead of the commonly...

... structural model complex amplitude calculation hydrodynamic pressure short-crested irregular wave stress factor inoue hydroelastic analysis irregular wave stress rao amplitude load item transverse shear force short-term prediction structural analysis shear force local structural...