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1-20 of 61
Keywords: bathymetry
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Proceedings Papers
Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-098
... in which the system is installed in bathymetry regions which are, at least, slowly varying in space. In order to overcome this limitation, in this work a BEM model is developed accounting for variable bathymetry effects, in conjunction with a nonlinear dynamic model of a U-OWC. The model supports...
Proceedings Papers
Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-151
... from a real in situ measuring device were replicated in the basin. In the middle of the basin, underwater, some concrete blocks were deployed in order to replicate a sudden shift in the bathymetry, which should act as a disturbance to the wave propagation and arise nonlinear phenomena. 19 wave gauges...
Proceedings Papers
Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-155
... the volcanic island of Pantelleria, centrally positioned in the Sicilian Channel. The Sicilian Channel is characterized by irregular bathymetry and variable depths, featuring deep thresholds at 500 m towards the Tyrrhenian Sea and 600 m towards the Ionian Sea. 1101 The central area, such as the Pantelleria...
Proceedings Papers
Nugrahinggil Subasita, Tri Widya Laksana Putra, Henokh Lugo Hariyanto, Mashury Wahab, Akmal Brilly Ashidiqi, Yazid Hilman Maulana, Topik Teguh Estu, _ Andonowati, Andreas Parama Wijaya
Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-460
... information is bathymetry, especially for coastal activities to maintain the shore from sedimentation or erosion. For harbours, bathymetry needs to be monitored regularly to prevent ships from damage due to sedimentation. The usual way to measure the water depth is to attach an echo sounding device on ships...
Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3231
... touboul representation interaction equation coupled-mode system vorticity application dispersion characteristic cms propagation upstream oil & gas boundary condition expansion belibassakis water wave bathymetry variable bathymetry variable bathymetry region conjunction...
Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3230
... Abstract An equivalent model based on recurrent neural network (RNN) is developed in this paper to simulate the propagation of shallow water waves over a varying bathymetry. Shallow water wave theory is applied to establish the mapping between water wave mechanics and an RNN. The resulting RNN...
Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3229
... Abstract Complex fjord topography (bathymetry and coastline) may differentiate significantly wave conditions not only compared with the offshore ones but in the vicinity of few tens of meters. In the present work, possible inhomogeneities of wave conditions are investigated in a hypothetical...
Proceedings Papers
Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-572
... the Pearl River Estuary is amount 14 μm (Xiao, 2012). multi-outlet estuarine-bay system bathymetry discharge university historical map estuarine-bay system knowledge management deltaic system asymmetry feature morphological evolution delta simulation sediment exploratory morphodynamic...
Proceedings Papers
Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-675
... ABSTRACT The motions of barge with partially filled tanks in variable bathymetry are investigated based on linearized potential theory in the frequency domain. The internal sloshing motion is simulated by linearized superposition of natural sloshing modes. The motion of barge is solved...
Proceedings Papers
Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-071
... ABSTRACT This paper presents frequency-domain hydroelastic analysis of a two-dimensional floating Structure in variable bathymetry by a hybrid technique based on Eigenfunction Matching Method (EMM), which has been validated by Tsai et al. (2011, 2014), in conjunction with Discrete Modules...
Proceedings Papers
Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-377
... concepts in coastal engineering. PROJECT AREA DATA Area Bathymetry Primary bathymetric data on the nearshore region as well as secondary bathymetric data from available nautical charts from the Philippine government's mapping authority has been consolidated ensuring that both data are referred...
Proceedings Papers
Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-115
.... Not only the incident wave characteristics but also the scale and shape of bathymetry are very important for the propagation of tsunami physics. INTRODUCTION Tsunami is caused by undersea earthquake and usually propagates across the entire ocean. Tsunami is not detected well over deep and intermediate...
Proceedings Papers
Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-102
... hsinchu coast artificial intelligence scenario 1 bathymetry typhoon estuarine sediment sediment transport hsinchu fishery port coastal morphology wave height taiwan coastal structure coastal change morphology mike 21 The Influence of Coastal Developments on the Coastal Changes at Hsinchu...
Proceedings Papers
Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-718
... The paper describes the main features of the pipelined Tsunami Modeling Infrastructure supporting high-speed tsunami modeling on system with rather limited computational resources. The pipelining scheme is realized by distributing bathymetries over computational resources and synchronization...
Proceedings Papers
Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-346
... on the statistical properties, and the generation mechanism of such large waves are not yet discussed intensively. The aim of the present study is to examine the generation process of freak waves in unidirectional propagating random waves over a fringing reef bathymetry using a fully nonlinear numerical wave model...
Proceedings Papers
Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-219
... the above behavior by subjecting an artificial, common bathymetry with an ideal coastline with a tsunami strike. These results confirmed that tsunamis behave in an opposite manner when they interact with bays and headlands compared to wind generated short period waves. INTRODUCTION A Tsunami is a series...
Proceedings Papers
Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-658
... were varied. Following the experiments, a numerical model was constructed with the T 0 bathymetry from the physical model used as the starting numerical model bathymetry, allowing direct comparison between models. Numerical model parameters were tuned to represent the physical modelling results...
Proceedings Papers
Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-469
... of the seabed (e.g. sand waves and megaripples). For this purpose a coarse spatial filtering of the bathymetry was applied on the three available surveys. The filter size was chosen such that the mobile bedforms (i.e. sand waves and megaripples) could be removed, while the underlying bathymetry remains...
Proceedings Papers
Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-621
... ABSTRACT Long waves approaching a cliff over a variable bathymetry are investigated. The waves experience extreme runup amplifications at the cliff, and wave breaking may occur. Kinematic, steepness, and wave height to depth metrics are applied locally to the crests. The generally accepted...
Proceedings Papers
Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-657
... the scour near the vertical breakwaters. equation velocity vector numerical simulation bathymetry scour pattern breakwater numerical result instantaneous velocity vector xie openfoam upstream oil & gas vertical breakwater morphology surface elevation engineering experiment...
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