Increased Safety and robust certification for ditching of aircrafts and helicopters

Livrables

Methods Development Final Report: Final report covering all work performed in Tasks 2.1, 2.2, 2.3, 2.4, 2.5 and 2.6.
Final Periodic Progress Report including final cost statement and final result
Report on the analysis of the effect of ground aerodynamics on ditching and associated safety recommendations
SARAH project legacy folder
Report on test data for fully guided fuselages with dynamic pitch
Final report on the dissemination and communication of results
Report on test data for flat plate tests
Report on design solutions to increase safety during ditching with respect to energy absorbing structures
Analysis of guided ditching test on double curvature specimen
Implementation report and tradeoff analysis
Report on test data for double-curvature rigid specimen
Analysis of guided ditching of single curvature, deformable structures
Analysis of guided ditching of fuselage with dynamic pitch
Periodic Progress Report including 1st cost statement
Progress report: Report presenting all work performed in the first 24 months of WP2.
Report on the impact of configurational changes on ditching loads and design risk mitigations
Novel energy absorbing concept definition for ditching scenarios
Report on the analysis of the effect of waves on ditching and associated safety recommendations
Dissemination Action Plan
Definition of the conditions for guided aircraft ditching tests
Numerical simulation of energy absorbing concepts for ditching
Mid-term report on the dissemination and communication of results
Report on test data for single-curvature deformable specimen
Progress report: Report presenting all work performed in the first 12 months of WP2
Report on design simulation results and simulation quality for unconventional A/C BWB
Final Report: Report presenting benchmarking of innovated simulation strategies and lessons learned for safety enhancement from all contributing partners
Report on the analysis of the effect of handling and approach conditions on ditching and associated safety recommendations

Report on the analysis of the effect of handling and approach conditions on ditching and associated safety recommendations.

Impact on Loads and Safety of project results
Report on test data on helicopter ditching
Analysis of guided ditching of flat plate specimen

Lessons learned on robust simulation capabilities for water-impact of airborne vehicles addressing aircraft certification needs
Project Website and Communication Pack

Publications

Multi-resolution Delta-plus-SPH with tensile instability control: Towards high Reynolds number flows

Auteurs: P.N. Sun, A. Colagrossi, S. Marrone, M. Antuono, A.M. Zhang
Publié dans: Computer Physics Communications, Numéro 224, 2018, Page(s) 63-80, ISSN 0010-4655
Éditeur: Elsevier BV
DOI: 10.1016/j.cpc.2017.11.016

Challenges on the numerical prediction of slamming loads on LNG tank insulation panels

Auteurs: S. Marrone, A. Colagrossi, J.S. Park, E.F. Campana
Publié dans: Ocean Engineering, Numéro 141, 2017, Page(s) 512-530, ISSN 0029-8018
Éditeur: Pergamon Press Ltd.
DOI: 10.1016/j.oceaneng.2017.06.041

High-speed water impacts of flat plates in different ditching configuration through a Riemann-ALE SPH model

Auteurs: S. Marrone, A. Colagrossi, L. Chiron, M. De Leffe, D. Le Touzé
Publié dans: Journal of Hydrodynamics, Numéro 30/1, 2018, Page(s) 38-48, ISSN 1001-6058
Éditeur: Chinese Ocean Press
DOI: 10.1007/s42241-018-0004-y

An accurate and efficient SPH modeling of the water entry of circular cylinders

Auteurs: Pengnan Sun, A-Man Zhang, Salvatore Marrone, Furen Ming
Publié dans: Applied Ocean Research, Numéro 72, 2018, Page(s) 60-75, ISSN 0141-1187
Éditeur: Pergamon Press Ltd.
DOI: 10.1016/j.apor.2018.01.004

Coupled SPH–FV method with net vorticity and mass transfer

Auteurs: L. Chiron, S. Marrone, A. Di Mascio, D. Le Touzé
Publié dans: Journal of Computational Physics, Numéro 364, 2018, Page(s) 111-136, ISSN 0021-9991
Éditeur: Academic Press
DOI: 10.1016/j.jcp.2018.02.052

Challenges of fully-coupled high-fidelity ditching simulations

Auteurs: Maximilian Müller, Malte Woidt, Matthias Haupt, Peter Horst
Publié dans: MATEC Web of Conferences, Numéro 233, 2018, Page(s) 00020, ISSN 2261-236X
Éditeur: EDP Sciences
DOI: 10.1051/matecconf/201823300020

Fast and accurate SPH modelling of 3D complex wall boundaries in viscous and non viscous flows

Auteurs: L. Chiron, M. de Leffe, G. Oger, D. Le Touzé
Publié dans: Computer Physics Communications, Numéro 234, 2019, Page(s) 93-111, ISSN 0010-4655
Éditeur: Elsevier BV
DOI: 10.1016/j.cpc.2018.08.001

Cavitation and ventilation modalities during ditching

Auteurs: A. Iafrati, S. Grizzi
Publié dans: Physics of Fluids, Numéro 31/5, 2019, Page(s) 052101, ISSN 1070-6631
Éditeur: American Institute of Physics
DOI: 10.1063/1.5092559

Experimental Ditching Loads on Aeronautical Flexible Structures

Auteurs: Juan Tomás Viana Lozoya, Héctor Climent Máñez
Publié dans: Proceedings of the International Forum on Aeroelasticity and Structural Dynamics (IFASD 2017), Numéro Volume 1, 2017, ISBN 978-1-5108-6100-8
Éditeur: IFASD 2017
DOI: 10.5281/zenodo.1438112

High-speed water impacts of flat plates in different ditching configurations through a Riemann-ALE SPH model

Auteurs: Marrone, S; Colagrossi A.; Chiron L.; De Leffe, M.; Le Touze, D.
Publié dans: Advances of Smoothed Particle Hydrodynamics: the Proceedings of the 2017 SPHERIC Beijing International Workshop, Numéro Yearly, 2018, Page(s) 12, ISBN 978-1-946018-02-1
Éditeur: ScienTech Publisher
DOI: 10.5281/zenodo.3732703

Experimental Ditching Loads on Aeronautical Flexible Structures

Auteurs: Climent Máñez, H.; Pastor García, G.; Viana Lozoya, J.T.
Publié dans: "Proceedings of the IFASD ""International Forum on Aeroelasticity and Structural Dynamics"" 2017", Numéro Volume 1, 2017, Page(s) 19, ISBN 978-1-5108-6100-8
Éditeur: International Forum on Aeroelasticity and Structural Dynamics Organizing Committee
DOI: 10.5281/zenodo.1438113

Application of the MLM to evaluate the hydrodynamic loads endured in the event of aircraft ditching

Auteurs: MARTIN L.; JACQUES V.; PAUL B.
Publié dans: Proceedings of the 6th European Conference on Computational Mechanics (Solids, Structures and Coupled Problems) 7th European Conference on Computational Fluid Dynamics (ECCM - ECFD 2018), Numéro Yearly, 2018, Page(s) 10
Éditeur: ECCM - ECFD 2018 Organizing Committee
DOI: 10.5281/zenodo.3732220

Effect of Surface Curvature on the Hydrodynamics of Water Entry at High Horizontal Velocity

Auteurs: Alessandro Iafrati
Publié dans: Volume 9: Offshore Geotechnics; Honoring Symposium for Professor Bernard Molin on Marine and Offshore Hydrodynamics, Numéro OMAE2018-78438, V009T13A034, 2018, Page(s) 8, ISBN 978-0-7918-5130-2
Éditeur: American Society of Mechanical Engineers
DOI: 10.1115/omae2018-78438

Fluid-structure interaction during the water impact at high horizontal velocity of a thick plate: experimental data and simplified modelling

Auteurs: Iafrati Alessandro
Publié dans: Proceedings of the 8th International Conference on HYDROELASTICITY IN MARINE TECHNOLOGY, Numéro Yearly, 2018, Page(s) 9
Éditeur: HYEL 2018 Organizing Committee
DOI: 10.5281/zenodo.3732649

EU research project SARAH: ditching tests and simulation of real aircraft geometries

Auteurs: Viana Lozoya, J.T.; Espinosa de los Monteros García-Frías, J.; Climent Máñez, H.
Publié dans: Proceedings of the Aerospace Structural Impact Dynamics International Conference - ASIDIC 2019, Numéro Yearly, 2019, Page(s) 21
Éditeur: ASIDIC Organizing Committee
DOI: 10.5281/zenodo.3706503

Experimental investigation of fluid-structure interaction phenomena during aircraft ditching

Auteurs: Alessandro Iafrati, Silvano Grizzi, Flavio Olivieri
Publié dans: AIAA Scitech 2019 Forum, Numéro AIAA 2019-2030, 2019, ISBN 978-1-62410-578-4
Éditeur: American Institute of Aeronautics and Astronautics
DOI: 10.2514/6.2019-2030

Ditching loads numerical and experimental alternatives

Auteurs: Climent Máñez, H.; Arévalo Lozano, F.; Viana Lozoya, J.T.; Pérez Heredia, E.
Publié dans: International Forum on Aeroelasticity and Structural Dynamics IFASD 2019 Conference Proceedings, Numéro Yearly, 2019, Page(s) 18
Éditeur: IFASD Organizing Committee
DOI: 10.5281/zenodo.3706545

Comparative analysis of different methods to compute ditching loads

Auteurs: Climent Máñez, H.; Viana Lozoya, J.T.; Sánchez Iglesias, F.; Espinosa de los Monteros García-Frías, J.
Publié dans: Aerospace Structural Impact Dynamics International Conference - ASIDIC 2019, Numéro Yearly, 2019
Éditeur: ASIDIC Organizing Committee
DOI: 10.5281/zenodo.3706511

Coupling fluid and pressurized membrane structure for the study of a helicopter ditching

Auteurs: Blanchard Clement; Anh Le Van; Séverin Halbout; Nicolas Couty; Yoann Jus;
Publié dans: 24ème Congrès Français de Mécanique Proceedings, Numéro Yearly, 2019, Page(s) 9
Éditeur: Association Française de Mécanique (AFM)
DOI: 10.5281/zenodo.3735903

Socket-Based Coupling of OpenFOAM and Abaqus to Simulate Vertical Water Entry Of Rigid And Deformable Structures

Auteurs: Maximilian Müller, Matthias Haupt, Peter Horst
Publié dans: Proceedings of the 6th ESI OpenFOAM User Conference 2018, Numéro 6, 2018, Page(s) 20
Éditeur: ESI Group
DOI: 10.13140/rg.2.2.33478.73281

Effect of the body curvature on aircraft ditching hydrodynamics

Auteurs: A. Iafrati
Publié dans: Proceedings of 33rd International Workshop on Water Waves and Floating Bodies, Numéro Yearly, 2018, Page(s) 4
Éditeur: IWWWFB Organizing Committee
DOI: 10.5281/zenodo.3732424

Flexible Structures Response To Ditching Loads

Auteurs: Viana Lozoya, J.T.; Pastor García, G.; Climent Máñez, H.
Publié dans: Proceedings of the ASIDIC 2017: Aerospace Structural Impact Dynamics International Conference, Numéro Yearly, 2017, Page(s) 24
Éditeur: ASIDIC 2017 Organizing Committee
DOI: 10.5281/zenodo.1287826

Untersuchung der Notwasserlandung von Flugzeugen in Wellen

Auteurs: Grell, J. (Prof. Rung)
Publié dans: Hamburg University of Technology, Institute for Fluid Dynamics and Ship Theory, 2018
Éditeur: TUHH

Numerical Stability Analysis of Ditching Simulations

Auteurs: Radhouane Hssini
Publié dans: Hamburg University of Technology, Institute for Fluid Dynamics and Ship Theory, 2018
Éditeur: TUHH

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