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Keywords: simulation
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Proceedings Papers

Paper presented at the SNAME Maritime Convention, September 27–29, 2023
Paper Number: SNAME-SMC-2023-029
... of fixturing. Numerical simulations using finite element analysis (FEA) have long been used to analyze welding-induced structural distortion. For large assemblies, transient thermal elastic-plastic analysis (TEPA) can take days or weeks to run, and optimization of welding sequence is not feasible. Simplified...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, September 27–29, 2023
Paper Number: SNAME-SMC-2023-019
... the system’s effectiveness. To investigate a possible improvement to modern systems, an artificial neural network-based controller, trained by potential flow simulations, was used to prescribe the optimum future actuation of a ride control system. By prescribing the optimum future actuation in anticipation...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, September 27–29, 2023
Paper Number: SNAME-SMC-2023-042
... & logistics services design united states government rossopoulo conversion shaft marine transportation stern tube-less vessel san diego calculation shaft alignment film thickness bearing water lubricated bearing smc 2023 simulation water-lubricated bearing SNAME Maritime Convention 2023 27...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, September 27–29, 2022
Paper Number: SNAME-SMC-2022-108
... deformation energy is important for overload of Polar Class ships, as well as any ice impact for non-ice class ships. floating production system simulation deformation low-ice smc 2022 floating production storage and offloading fpso quasi real time ice impact loadstep daley floating production...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, September 27–29, 2022
Paper Number: SNAME-SMC-2022-113
... a novel time-domain simulation methodology that combines the wave-induced motions of the ship and of a growler to predict impact locations and intensities. A combination of linear and nonlinear methods captures the relevant physics efficiently. When repeated for several thousand growler encounters...
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

Paper presented at the SNAME Maritime Convention, September 27–29, 2022
Paper Number: SNAME-SMC-2022-033
... to transport Wind Turbine Generator (WTG) components from port to the offshore location where a foreign vessel can install them. This paper uses numerical simulations to derive the uptime of such an operation for different feeder solutions. wind energy comparative operability uptime united states...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, September 27–29, 2022
Paper Number: SNAME-SMC-2022-070
... Segmented models are useful in estimating wave induced loads, particularly for new designs where experience in design loads estimate has not matured yet. Combined with numerical simulation, both methods complement each other and can provide a relatively good estimate of design hydrodynamic loads...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, September 27–29, 2022
Paper Number: SNAME-SMC-2022-066
... Reynolds Averaged Navier-Stokes (RANS) equations. The k-ω model was used for the turbulence closure and the massive separation flow behind the box-shaped-vehicle. The rotation of the impeller was simulated by a moving reference frame method and the running attitude was predicted by a dynamic body fluid...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 27–29, 2021
Paper Number: SNAME-SMC-2021-053
... in 2D-flow was used to investigate the problem numerically. Simulations on a NACA 0009 hydrofoil with varying inflow velocity, angle of attack, and bevel angle were done. The content in this paper is a summary of the work done by the author during his MSc Individual Project at University College London...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 27–29, 2021
Paper Number: SNAME-SMC-2021-081
... Hull Design engineers and hydrodynamicists need high fidelity tools to help understand the performance of the vessels they are designing. In the context of Computational Fluid Dynamics (CFD), it is often assumed these numerical simulations will take a long time to run and are cumbersome...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 27–29, 2021
Paper Number: SNAME-SMC-2021-132
... CFD is a useful tool for ship designers looking for accurate predictions of the fuel efficiency achieved by a certain combination of hull, propeller and Energy Saving Devices (ESDs). Such predictions are key to meeting ever-increasing demands for reductions in emissions. However, CFD simulations...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, September 29–October 2, 2020
Paper Number: SNAME-SMC-2020-089
... reservoir characterization simulation prediction experimental result jacob woeste hull geometry propeller aegir virtual event calm water wave condition head sea smc2020 wake fraction upstream oil & gas resistance coefficient rotation rate body motion Accurate...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, September 29–October 2, 2020
Paper Number: SNAME-SMC-2020-053
... performing maritime operations is proposed by applying reinforcement learning techniques using scenarios implemented in commercial marine simulation technology. The approach is demonstrated with a simple case study using a short transit operation. Details and limitations of the method are presented...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, September 29–October 2, 2020
Paper Number: SNAME-SMC-2020-033
... an adequate boundary layer model. upstream oil & gas simulation residual hydroelastic response propeller performance reynolds number husser smc2020 regression equation blade deformation loading deformation blade deflection virtual event torque nichola propeller blade fsi simulation...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, September 29–October 2, 2020
Paper Number: SNAME-SMC-2020-091
...-dimensional work simulation model. sub-assembly process pallet production system welding simulation shipyard work simulation welding work semi-automated welding 4 component member marine transportation work performance procedure work simulation model digital transformation virtual event...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, September 29–October 2, 2020
Paper Number: SNAME-SMC-2020-116
... At the center of litigation involving vessel collisions and allisions is the history of the movement and interaction of the vessel with its surroundings. Forensic analysis of an incident, and sometimes litigation, seeks to resolve the causes and timing of the vessel movements. Simulation...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 30–November 1, 2019
Paper Number: SNAME-SMC-2019-003
...Rapid Simulation of Ship Motions during Maneuvering in Operational Wave Conditions Kevin McTaggart (FL) Defence Research and Development Canada Ship design and operational planning require methods for predicting ship maneuvering including wave-induced motions. Rapid evaluation of ship motions...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 30–November 1, 2019
Paper Number: SNAME-SMC-2019-010
... 1 Simulation of ship's maneuvering under the influence of wind and waves Dionysia Chroni 1 (SM), Apostolos Papanikolaou 2 (FL) 1. National Technical University of Athens, Greece, dchroni@central.ntua.gr 2. em. Professor National Technical University of Athens, Greece, papa@deslab.ntua.gr & Senior...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 30–November 1, 2019
Paper Number: SNAME-SMC-2019-011
..., energy efficiency, safety, environmental compatibility and life-cycle cost. operational scenario platform ship design integration assessment marine transportation holistic approach calculation configuration optimisation artificial intelligence tacoma wa optimization problem simulation...

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