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1-20 of 46
Keywords: frequency
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Proceedings Papers
Paper presented at the SNAME Maritime Convention, October 14–16, 2024
Paper Number: SNAME-SMC-2024-014
... and statistical analyses, and the functionality to export data to software commonly used within the offshore renewable energy industry. It can be used to create time series graphs, wind and wave roses, frequency histograms, scatterplots, and more, including formatted reports. The analytical strategy takes...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, September 27–29, 2023
Paper Number: SNAME-SMC-2023-036
... on the POW setup The force, moment, and rotation speed were recorded by a data acquisition system, which consists of MGC Plus measuring devices and Catman software (HBM Inc., Darmstadt, Germany). The data were acquired at a sampling frequency of 600 Hz, which corresponded to 10 equal divisions of the phase...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, September 27–29, 2023
Paper Number: SNAME-SMC-2023-017
... is a subject with many complementary facets. The motions of a ship may be studied and understood in the time-domain, the frequency-domain, and in the probabilitydomain. Strong theorems connect each of these domains and enable transformations from one domain to another. The relationship may be compared to three...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, September 27–29, 2023
Paper Number: SNAME-SMC-2023-015
... marine transportation frequency construction knowledge management noise united states government vibration design spence vsp requirement vibration bearing case study ollis smc 2023 vessel propulsion engine excitation san diego jesse spence main deck SNAME Maritime...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, September 27–29, 2023
Paper Number: SNAME-SMC-2023-060
... powering and improving the overall energy efficiency of the craft. The design of “DavLab” catamaran is optimized by matching the natural undamped frequency of the system to the frequency of dominant waves for a top referenced heaving absorber. In addition, numerical simulation results showed...
Proceedings Papers
Xinguo Wang, Omar Sallam, David Moulton, Jared Richardson, Rory Sunderland, Benjamin McKeig, Mirjam Furth
Paper presented at the SNAME Maritime Convention, September 27–29, 2022
Paper Number: SNAME-SMC-2022-085
... acquisition system (DAQ) design and testing, as well as environmental monitoring methods. monitoring elevation rudder data acquisition houston journal holthuijsen 2010 artificial intelligence environment smc 2022 hull accuracy frequency high-speed craft model design spectrum battery...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, September 27–29, 2022
Paper Number: SNAME-SMC-2022-069
... Starting from the early sixties and then in the early eighties, it was well established that second-order wave excitation forces exist for floating bodies in regular waves. This force is not only steady (mean) in nature; it also has a low-frequency (difference frequency) and a high-frequency...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, September 27–29, 2022
Paper Number: SNAME-SMC-2022-080
... The effect of oscillating harmonic surge motions on a Wigley hull in deep and shallow water was investigated numerically using unsteady Reynolds-Averaged Navier Stokes (URANSE) CFD simulations in a three-dimensional computational domain. The frequency and amplitude of the surge motions were...
Proceedings Papers
Juan J. Suarez, William Krewsky, Karri Kris, Jason Minett, Jesse Spence, Chris Page, Zachary F. Weiss
Paper presented at the SNAME Maritime Convention, September 27–29, 2022
Paper Number: SNAME-SMC-2022-117
... development to optimize both ship arrangement and machinery system parameters is necessary to avoid vibration problems. Numerical modeling techniques like the finite element method are indispensable when evaluating the low frequency vibration of a vessel during the design stage. Methodologies for estimating...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, October 27–29, 2021
Paper Number: SNAME-SMC-2021-053
... (Johannessen, MSc thesis, 2020). marine transportation anti-singing edge johannessen naca 0009 upstream oil & gas simulation vortice propeller vibration bevel angle frequency hydrofoil inflow velocity vortex shedding passenger transportation strouhal number numerical study hydrofoil...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, October 27–29, 2021
Paper Number: SNAME-SMC-2021-077
... floating production system smc2021 turbine basu roger floating production storage and offloading upstream oil & gas farm requirement deeper water mexico frequency offshore structure jacket structure gulf SNAME Maritime Convention 2021 27-29 October, Providence RI Copyright © 2021...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, October 27–29, 2021
Paper Number: SNAME-SMC-2021-021
... and finite element (FE) analyses are performed to obtain the structural response for various wave conditions. A set of specific wave headings and frequencies is selected to construct base wave modes, and the structural response can be reconstructed under arbitrary wave loads. Case studies using...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, October 27–29, 2021
Paper Number: SNAME-SMC-2021-091
... on DNVGL recommended practice, DNVGL-RP-F105. It provides a brief introduction to a software application used to calculate parameters addressing how free-spanning pipelines are affected considering stresses, damage and fatigue life. offshore pipeline frequency sea state software piping simulation...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, September 29–October 2, 2020
Paper Number: SNAME-SMC-2020-080
... To determine the risk involved in operations around offshore structures, static and dynamic traffic models can be used to assess the individual probabilities of incidents. This paper describes the underlying models to determine ramming (powered) as well as drifting collision frequencies...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, September 29–October 2, 2020
Paper Number: SNAME-SMC-2020-039
... results reinforcing this approaches capabilities. frequency prediction reservoir simulation calculation ile marine transportation virtual event refinement rotation propeller setup interaction kimmerl smc2020 tip vortex turbulence upstream oil & gas radiated noise experiment...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, October 30–November 1, 2019
Paper Number: SNAME-SMC-2019-003
... motions using two different methods. The first method uses time stepping of forces acting on the ship to determine resulting motions. The second method uses motion response amplitude operators (RAOs) computed in the frequency domain to determine wave-induced motions when the ship is travelling...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, October 30–November 1, 2019
Paper Number: SNAME-SMC-2019-016
... at the center of mass. Some discussion addressing the practical nature of asymmetry in seakeeping computations is provided, attempting to relate the theoretical and numerical findings back to the practical application. marlante asymmetric condition heel angle head sea frequency ship motion matrix...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, October 30–November 1, 2019
Paper Number: SNAME-SMC-2019-064
..., based on indicial function theory, and is shown to give improved predictions for the unsteady force and moment. history effect phoenix 8 motion history effect hull sway reservoir simulation unsteady model steady translation frequency drift angle maneuver force distribution geometry...
Proceedings Papers
Alexandra Austin, Alessandra Chieff, Julianne Depardieu, Max Gratton, Thomas Holdaway, Wei Tian Lee, Mary Libera, Ahmad Naqiuddin, Faris Yusof, Nicholas Townsend, Mirjam Fürth
Paper presented at the SNAME Maritime Convention, October 30–November 1, 2019
Paper Number: SNAME-SMC-2019-074
... farm concept, a series of 1:120 model scale experiments were conducted at the University of Southampton Towing Tank (dimensions L=138m, W=6m, D=3.5m) in regular waves, over a range of frequencies (0.6Hz to 1.0Hz in 0.1Hz increments) and wave heights (0.04m to 0.08m). The 1:120 model spar (height 0.8m...
Proceedings Papers
Paper presented at the SNAME Maritime Convention, October 30–November 1, 2019
Paper Number: SNAME-SMC-2019-078
... of the moonpool wave motions and therefore the overall vessel resistance. It was also determined that 3D effects were necessary to adequately capture moonpool hydrodynamics. froude number moonpool natural frequency three-dimensional simulation simulation oscillation recess series 60 molin elevation...
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