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Keywords: geometry
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Proceedings Papers

Publisher: The Society of Naval Architects and Marine Engineers
Paper presented at the SNAME Maritime Convention, October 27–29, 2021
Paper Number: SNAME-SMC-2021-081
... will be showcased. reservoir simulation smc2021 resistance template procedure upstream oil & gas dimension time step refinement parametric hydrodynamic simulation simulation hull geometry mms method shipbuilding base size froude number wheeler mesh refinement box workshop result...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, September 29–October 2, 2020
Paper Number: SNAME-SMC-2020-098
...-of-the-art in machine learning techniques with the increasingly available ship design data in order to improve the hull form design process. artificial intelligence design space optimal hull form neural network training data iteration machine learning node design variable geometry ship design...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, September 29–October 2, 2020
Paper Number: SNAME-SMC-2020-089
... 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 SNAME Maritime Convention 2020 A Virtual Event 29 September 2 October Copyright © 2020...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, September 29–October 2, 2020
Paper Number: SNAME-SMC-2020-048
... A higher efficiency hydrofoil geometry with spanwise non-linear twist is considered in the design of a lifting body with a bell-shaped lift distribution. This design objective aims to account for the coupling of hydrodynamic and structural considerations by switching the governing hydrofoil span...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, September 29–October 2, 2020
Paper Number: SNAME-SMC-2020-084
... variables. The optimized designs have lower drag values and increased cavitation inception speeds compared to the NACA0012 baseline. The optimization study shows that junction separation mainly depends on the local junction geometry. However, considering shape variables at outboard sections of the foil...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 30–November 1, 2019
Paper Number: SNAME-SMC-2019-071
... and the impact on power generation is given in Penalba et al. (2015). A simplified parametric model for axisymmetric bodies is given in Giorgi and Ringwood (2017), while more realistic geometry and motions are covered in Giorgi and Ringwood (2018). In most of these WEC papers, researchers are interested in what...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 30–November 1, 2019
Paper Number: SNAME-SMC-2019-063
... control surface coefficient submarine reduction maneuver rudder angle geometry The Effect of Reducing Sail Height on the Performance of a Generic Diesel Submarine Robert A. Doyle (SM)1,2, George D. Watt (V)1, and James C.F. Lau (V)3 1Defence Research and Development Canada - Atlantic Research...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 30–November 1, 2019
Paper Number: SNAME-SMC-2019-064
... relative error of up to 36% for the lateral force and yawing moment. Further, it is demonstrated that the motion history effect on both the lateral force and the yawing moment can be scaled by the hull geometry, and are independent of the hull profiles shape. An unsteady force estimation model...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 30–November 1, 2019
Paper Number: SNAME-SMC-2019-078
... The effect of moonpool geometry on a ship hull's calm water resistance was investigated numerically using fully viscous CFD simulations with 2D and 3D computational domains. Simulations were performed using a Series 60 hull form with a block coefficient of 0.65 as the base case. The effect...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 30–November 1, 2019
Paper Number: SNAME-SMC-2019-095
.... These connection details are represented by cutouts in the swage panel, either in the form of overhead deck stiffeners or conduit and cable penetrations. A total of twelve specimens, comprising three types of geometries, are tested to failure in either compression or shear at the SDSU Structural Engineering...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 24–27, 2018
Paper Number: SNAME-SMC-2018-003
... code and expensive custom programming. This is critically important in fields like naval architecture, where small market size and demand have not created lasting, flexible, and cost-effective computer solutions and design tools. opencalc geometry text file data structure source code tspa...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 24–27, 2018
Paper Number: SNAME-SMC-2018-046
... shipbuilding CAD Systems and PLM's were basically two: transference of the vessel product structure from the CAD to the PLM, comprising both the geometry of the ship´s items for visualization purposes and items attributes (metadata); and management of all documents generated by the CAD in the PLM. The result...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 24–27, 2018
Paper Number: SNAME-SMC-2018-076
... combatant design but are universal to early-stage engineering of complex systems. early stage design tool design tool modeling geometry artificial intelligence platform architecture application requirement engineer integration software mathematics us government carderock ship design...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 24–27, 2018
Paper Number: SNAME-SMC-2018-048
... investigation turbulence stimulation test result stimulator propeller model propeller geometry hama strips unstimulated propeller propeller result reynolds number propeller blade roughness coefficient model propeller Husser An Investigation of Turbulence Stimulation on 3D Printed Model...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 24–27, 2018
Paper Number: SNAME-SMC-2018-023
... alignments. From approximate analytical expressions, the geometry and elastic properties of equivalent orthotropic laminated flat plates are established by matching the compliances of the swage panel with those of the laminated plate. Five-ply laminate models are developed with directionally dependent...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 24–27, 2018
Paper Number: SNAME-SMC-2018-096
... of the pleasure yacht presented in this study. air emission eco-friendly luxury sailing appendage sailing yacht resistance geometry contribution propeller calculation yacht upstream oil & gas energy conservation bucci simulation layout wave pattern configuration propulsion system...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 24–27, 2018
Paper Number: SNAME-SMC-2018-036
... profiles. This project's outcome will be a proposed rule for the 2020 ABS SVR based on the project's research, with scheduled completion in December 2018. artificial intelligence swage panel svr rule development geometry ship finite element analysis marine transportation physical testing...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 24–27, 2018
Paper Number: SNAME-SMC-2018-052
... varying the main design parameters considering a small autonomous underwater vehicle (AUV). Results show that non trivial trade-off conditions exist between inlet and outlet geometry, number of MHD channels, applied magnetic field and voltage, as the vehicle speed changes, to get the highest propulsion...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 24–28, 2017
Paper Number: SNAME-SMC-2017-047
... name equation geometry artificial intelligence navier-stoke equation Raleigh Potential Flow-based Boundary Element Method for Submerged Rigid 2D Bodies 1 Potential Flow-based Boundary Element Method for Submerged Rigid 2D Bodies Author name(s): Kevin P. Raleigh SM, Mirjam Fürth Ph.D. M 1...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 24–28, 2017
Paper Number: SNAME-SMC-2017-103
... design space candidate 2 strut swath vessel spectrum surrogate model geometry artificial intelligence irregular wave upstream oil & gas fidelity prediction strip theory frequency optimization problem algorithm bayesian optimization displacement Multi-Fidelity Bayesian Optimization...

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