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Keywords: prediction
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Proceedings Papers

Paper presented at the SNAME 26th Offshore Symposium, April 6–7, 2021
Paper Number: SNAME-TOS-2021-09
... The prediction of marine fuel consumption and ship exhaust gas emissions are indispensable to evaluating ship sustainable performance under current shipping fuel standards. Big data with evolved machine learning techniques have been proved to be an effective way to contain uncertainties for ship...
Proceedings Papers

Paper presented at the SNAME 25th Offshore Symposium, February 27, 2020
Paper Number: SNAME-TOS-2020-024
... An iterative method which couples a vortex-lattice method with a Reynolds-Averaged Navier-Stokes (RANS) method is applied to the prediction of propeller/axisymmetric hull interaction. An open propeller and a ducted propeller are considered. In the coupling procedure, the effective wake...
Proceedings Papers

Paper presented at the SNAME 24th Offshore Symposium, February 20, 2019
Paper Number: SNAME-TOS-2019-020
..., and careful selection of statistical parameters for SRA are critical in such assessments. proceedings inspection naval architect prediction fatigue analysis target pof contingency planning dff life extension target safety level pof fatigue life design life texas texas section th offshore...
Proceedings Papers

Paper presented at the SNAME 24th Offshore Symposium, February 20, 2019
Paper Number: SNAME-TOS-2019-022
... (DNVGL-OTG-13 "Prediction of air gap for column stabilized units"; revised March 2017) regarding the air gap and horizontal wave loads calculations and requirements. Revised guidelines recommend including mean and low frequency contributions to the air gap predictions in addition to the linear wave...
Proceedings Papers

Paper presented at the SNAME 22nd Offshore Symposium, February 2, 2017
Paper Number: SNAME-TOS-2017-010
... Computational fluid dynamics (CFD) tools are employed more and more frequently today to predict the behavior of fluid flow (movement of hydrocarbons, water, air, sand, etc.) in the oil and gas industry. While these tools are sophisticated enough to model complex physics, predominantly multi...
Proceedings Papers

Paper presented at the SNAME 21st Offshore Symposium, February 16, 2016
Paper Number: SNAME-TOS-2016-020
.... In addition, various design parameters and their criticalities are studied. The paper concludes that the correct prediction of turret design loads is an important step towards the safe design of Deepwater FPSOs. prediction subsea system main bearing texas texas section vertical load turret system...
Proceedings Papers

Paper presented at the SNAME 21st Offshore Symposium, February 16, 2016
Paper Number: SNAME-TOS-2016-022
...-Averaged Navier-Stokes (RANS) to simulate the flow around ducted propellers. In this work, a panel method is applied to the prediction of the performance of ducted propellers. A ducted propeller with a rectangular shape tip and a thruster with a blunt trailing edge duct are considered. The effects...
Proceedings Papers

Paper presented at the SNAME 20th Offshore Symposium, February 17, 2015
Paper Number: SNAME-TOS-2015-011
... Turbulent flows past a cylinder is one of the most intensively investigated problem in fluid mechanics. The staggered shed vortices in the wake region exert oscillatory forces to the cylinder, and consequently excite the so called vortex-induced vibrations (VIV). Prediction and suppression...
Proceedings Papers

Paper presented at the SNAME 20th Offshore Symposium, February 17, 2015
Paper Number: SNAME-TOS-2015-028
... (RANS) solver has been developed by the Ocean Engineering Group at UT Austin, to simulate the flow around ducted propellers. The method takes advantage of both VLM and RANS simulations, and has been found to predict very well the thrust and torque on ducted propellers over a wide range of operating...
Proceedings Papers

Paper presented at the SNAME 16th Offshore Symposium, February 9, 2010
Paper Number: SNAME-TOS-2010-006
... In this paper, the performance of a horizontal axis marine current turbine is predicted by three numerical methods. The predictions are compared with the experimental measurements for the same turbine model. A fully unsteady wake alignment is utilized in one of the methods in order to model...
Proceedings Papers

Paper presented at the SNAME 11th Offshore Symposium, February 20, 2002
Paper Number: SNAME-TOS-2002-013
... in order to establish a data base of FPSO motions and loads, together with a complete description of the environmental- and vessel loading conditions. Moreover, a software package was developed that predicts fatigue loads and damage, and that describes the non-linear phenomena around the waterline, the so...

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