Marine & Off-shores

Since its early applications, modeFRONTIER has been employed in marine and off-shore industry on the behalf of our main partners. The marine engineering applications extent from shipbuilding technology to the sailing industry.
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Holistic Ship Design Optimization - Merchant and Naval Ships
Apostolos D. Papanikolaou, National Technical University of Athens
Apr 2012 The present paper provides a brief introduction to a holistic approach to ship design optimization, defines the generic ship design optimization problem and demonstrates its solution by using advanced optimization techniques for the computer-aided generation, exploration and selection of optimal designs. read on Holistic Ship Design Optimization - Merchant and Naval Ships
Optimization techniques applied to compliant vertical-access riser
Michele Agra de Lemos Martins, Eduardo Setton Sampaio da Silveira, Eduardo Nobre Lages
Oct 2011 In offshore oil production activities, special pipes, called risers, are employed to connect the wellheads at the sea-bottom to a ﬂoating platform unit. The design of risers is a challenging task, due to the continuous increase in exploitation depth, as at pre-salt fields. read on Optimization techniques applied to compliant vertical-access riser
Shape Optimization of a Monohull Fishing Vessel
Riccardo Buiatti
Aug 2011 This work addresses ship hull shape optimisation for multi-objective purpose - resistance and seakeeping – including heavy CFD calculations. All this process is integrated within the modeFRONTIER multi-objective design environment. read on Shape Optimization of a Monohull Fishing Vessel
Learning-based ship design optimization approach
Hao Cui, Osman Turan, Philip Sayer (University of Strathclyde, Glasgow - UK)
Aug 2011 This paper proposes a new machine-learning-based ship design optimization approach, which uses machine learning as an effective tool to give direction to optimization and improves the adaptability of optimization to the dynamic design environment. read on Learning-based ship design optimization approach
Systematic Study of the Hydrodynamic Forces on a Sailing Yacht Hull
Lionel Huetz, Bertrand Alessandrini (Ecole Centrale de Nantes)
Jun 2011 In order to predict the velocity and attitude of a sailing yacht travelling in a given wind speed and wind angle, the hydrodynamic problem and the aerodynamic problem need most of the time to be decoupled. A powerful loop driven by the commercial software ModeFrontier has been developed in order to build a database by means of CFD. read on Systematic Study of the Hydrodynamic Forces on a Sailing Yacht Hull
Numerical Prediction of the Cavitating Flow Around a Marine Propeller
Mitja Morgut, Enrico Nobile (University of Trieste - Italy)
Jun 2011 In this study, we investigated the influence of the mass transfer model on the numerical prediction of the model scale propeller performances. For a fair and congruent comparison, the three different models were equally well tuned by means of an optimization strategy, driven by the modeFRONTIER optimization framework. read on Numerical Prediction of the Cavitating Flow Around a Marine Propeller
Optimization problem setup in modeFRONTIER
Alberto Clarich, Rosario Russo (ESTECO)
May 2011 This paper will illustrate the use of Multivariate Data Analysis and CAP (Computer Aided Principle) techniques available in modeFRONTIER code in different phases of the optimization process. The data analysis techniques can help the designer with several aspects, including the reduction of the number of computations required during optimization by analyzing the local influence of variables on objectives, and supporting the final design selection from Pareto set. read on Optimization problem setup in modeFRONTIER
Comparison of mass transfer models around a hydrofoil
Mitja Morguta, Enrico Nobile (University of Trieste, Italy) and Ignacijo Bilušb (University of Maribor, Slovenia)
Mar 2011 Cavitating flows, can be modelled with a wide range of methods. The optimization strategy seems to be stable and accurate, and could be extended to additional mass transfer models and further flow problems. read on Comparison of mass transfer models around a hydrofoil
CFD Analysis for Offshore Systems
Daniel F. C. e Silva, Paulo R. Pagot (Petrobas)
Jul 2010 The Scientific Methods group in Petrobras Research Center works on development and application of multidisciplinary simulation tools for several engineering problems related mainly to offshore systems. Recently, there were many different cases where Computational Fluid Dynamics was employed. read on CFD Analysis for Offshore Systems
Sailboat Composite Hull
Federico Urban, Carlo Poloni
The use of composites in marine industry is predicted to increase for many years to come. This is mainly due to the excellent strength-to-weight ratios, damping characteristics, corrosion resistance and design freedom for sleek looking parts that composites have to offer. Composite parts typically contain fibers that are made out of glass, carbon, and wood, among many others, which act as a reinforcement and increase mechanical properties. read on Sailboat Composite Hull
America’s Cup Class Yacht Bulb
MatteoLedri, Mauro Poian, Giorgio Contento
The analysis and optimization of underwater appendages of a racing yacht using Computational Fluid Dynamics (CFD) is a complex task that requires the integration of CAD systems, mesh generators and CFD codes. read on America’s Cup Class Yacht Bulb
Offshore Platforms Sizing Optimization through Genetic Algorithms
Mauro Costa de Oliveira - Petrobras
Usually the process to select the main dimensions of a deep water floating production system can be an exhaustive trial and error exercise. This search can lead to several designs that can be either unfeasible or not fulfill the design criteria. The combination of the genetic algorithms with the possibility to use ordinary tools and the resources to process the output data made the program ModeFrontier an interesting computational tool. read on Offshore Platforms Sizing Optimization through Genetic Algorithms

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Marine & Off-shores

Holistic Ship Design Optimization - Merchant and Naval Ships

Optimization techniques applied to compliant vertical-access riser

Shape Optimization of a Monohull Fishing Vessel

Learning-based ship design optimization approach

Systematic Study of the Hydrodynamic Forces on a Sailing Yacht Hull

Numerical Prediction of the Cavitating Flow Around a Marine Propeller

Optimization problem setup in modeFRONTIER

Comparison of mass transfer models around a hydrofoil

CFD Analysis for Offshore Systems

Sailboat Composite Hull

America’s Cup Class Yacht Bulb

Offshore Platforms Sizing Optimization through Genetic Algorithms

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