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54 research outcomes, page 1 of 6
  • publication . Article . 2020
    Closed Access
    Authors:
    Riccardo Broglia; Antonio Posa; Mark C. Bettle;
    Persistent Identifiers
    Publisher: Elsevier BV
    Project: EC | HOLISHIP (689074)

    Abstract Results of Reynolds-averaged Navier-Stokes simulations are reported on a towed fully-appended notional submarine model. Computations are validated against data in the literature, dealing with both global loads and the vortices originating from the sail. The ana...

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  • publication . Article . 2020
    Closed Access
    Authors:
    Antonio Posa; Riccardo Broglia; Elias Balaras;
    Persistent Identifiers
    Publisher: Cambridge University Press (CUP)
    Project: EC | HOLISHIP (689074)

    Large eddy simulations are presented on the wake flow of a notional propeller (the INSEAN E1658), upstream of a NACA0020 hydrofoil of infinite spanwise extent, mimicking propeller–rudder interaction. Results show that the flow physics is dominated by the interaction bet...

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  • publication . Article . 2020
    Closed Access English
    Authors:
    Antonio Posa; Riccardo Broglia; Elias Balaras;
    Persistent Identifiers
    Project: EC | HOLISHIP (689074)

    Abstract Large Eddy Simulations are reported on the flow around a rudder operating in the wake of a propeller. Results demonstrate the production of important spanwise flows within the boundary layer on the hydrofoil, mainly tied to the behavior of the largest coherent ...

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  • publication . Article . 2020
    Open Access
    Authors:
    Andrea Iannelli; Mark H Lowenberg; Andres Marcos;
    Publisher: Society for Industrial & Applied Mathematics (SIAM)
    Country: Switzerland
    Project: EC | FLEXOP (636307)

    This article proposes a framework which allows the study of stability robustness of equilibria of a nonlinear system in the face of parametric uncertainties from the point of view of bifurcation theory. In this context, a branch of equilibria is stable if bifurcations (...

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  • publication . Article . 2020
    Embargo
    Authors:
    Giuseppina Palma; Pasquale Contestabile; Barbara Zanuttigh; Sara Mizar Formentin; Diego Vicinanza;
    Persistent Identifiers
    Publisher: Elsevier BV
    Country: Italy
    Project: EC | BRIGAID (700699)

    Abstract The aim of this work is to analyze the performance of the Overtopping Breakwater for Energy Conversion (OBREC), developed by the team of the University of Campania and installed at prototype scale in the port of Naples. It is a multifunctional coastal structure...

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  • publication . Article . 2020
    Closed Access
    Authors:
    Raffaele Ponzini; Francesco Salvadore; Ermina Begovic; C. Bertorello;
    Persistent Identifiers
    Publisher: Elsevier BV
    Project: EC | LINCOLN (727982)

    Abstract Computational fluid dynamics (CFD) modelling is a powerful tool to analyze complex hydrodynamics problems like flow around bluff bodies and their interactions including flow separation and reattachments where analytical formulas are not applicable nor reliable....

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  • publication . Article . 2020
    Open Access English
    Authors:
    Péter Bauer; Lysandros Anastasopoulos; Franz-Michael Sendner; Mirko Hornung; Bálint Vanek;
    Persistent Identifiers
    Project: EC | FLiPASED (815058), EC | FLEXOP (636307)

    AbstractThis paper presents the modeling, system identification, simulation and flight testing of the airbrake of an unmanned experimental aircraft in frame of the FLEXOP H2020 EU project. As the aircraft is equipped with a jet engine with slow response an airbrake is r...

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  • publication . Article . 2020
    Open Access English
    Authors:
    Andreas Hermanutz; Mirko Hornung;
    Persistent Identifiers
    Publisher: MDPI AG
    Project: EC | FLEXOP (636307)

    In this work, a study to design a highly flexible flutter demonstrator for the development and testing of active flutter suppression is presented. Based on the UAV mission, a bi-objective design optimization problem can be formulated. The aeroelastic UAV characteristic ...

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  • publication . 2020
    Closed Access English
    Authors:
    Joško Parunov; Maro Ćorak; C. Guedes Soares; H. Jafaryeganeh; Seppo Kalske; Yongwon Lee; Shukui Liu; Apostolos Papanikolaou; David Prentice; Jasna Prpić-Oršić; ...
    Persistent Identifiers
    Country: Croatia
    Project: EC | HOLISHIP (689074)

    Results are presented of a benchmark and uncertainty assessment study organised by the MARSTRUCT Virtual Institute on global linear wave loads on damaged ship. The study has two aims: to acquire valuable information regarding damage modelling in seakeeping analysis of d...

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  • publication . Article . 2020
    Open Access
    Authors:
    Alexandros Priftis; Evangelos Boulougouris; Osman Turan; Georgios Atzampos;
    Persistent Identifiers
    Publisher: Elsevier BV
    Project: EC | HOLISHIP (689074)

    Abstract The paper addresses the parametric design and multi-objective optimisation of ships under uncertainty, applying the Holistic Optimisation Design Approach. The methodology starts with the creation of a detailed parametric model that captures both the external an...

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54 research outcomes, page 1 of 6