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Groenenboom, Paul and Siemann, Martin (2015) Fluid-structure interaction by the mixed SPH-FE Method with application to aircraft ditching. International Journal of Multiphysics, 9 (3), pp. 249-265. Multi-Science Publishing. doi: 10.1260/1750-9548.9.3.249. ISSN 1750-9548.
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Official URL: http://multi-science.atypon.com/doi/abs/10.1260/1750-9548.9.3.249?journalCode=ijm
Abstract
This paper deals with numerical simulation of fluid-structure interaction as it occurs during aircraft ditching – an emergency condition where an aircraft is forced to land on water. The work is motivated by the requirement for aircraft manufactures to analyze ditching as part of the aircraft certification process requested by airworthiness authorities. The strong interaction of highly non-linear fluid flow phenomena and structural responses requires a coupled solution of this transient problem. Therefore, an approach coupling Smoothed Particle Hydrodynamics and the Finite Element method within the commercial, explicit software Virtual Performance Solutions has been pursued. In this paper, several innovative features are presented, which allow for accurate and efficient solution. Finally, exemplary numerical results are successfully compared to experimental data from a unique test campaign of guided ditching tests at quasi-full scale impact conditions. It may be concluded that through the application of state-of-the-art numerical techniques it has become possible to simulate the coupled fluidstructure interaction as occurring during ditching. Therefore, aircraft manufacturers may significantly benefit from numerical analysis for design and certification purposes.
| Item URL in elib: | https://elib.dlr.de/99872/ | |||||||||
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| Document Type: | Article | |||||||||
| Title: | Fluid-structure interaction by the mixed SPH-FE Method with application to aircraft ditching | |||||||||
| Authors: |
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| Date: | 7 October 2015 | |||||||||
| Journal or Publication Title: | International Journal of Multiphysics | |||||||||
| Refereed publication: | Yes | |||||||||
| Open Access: | No | |||||||||
| Gold Open Access: | No | |||||||||
| In SCOPUS: | Yes | |||||||||
| In ISI Web of Science: | Yes | |||||||||
| Volume: | 9 | |||||||||
| DOI: | 10.1260/1750-9548.9.3.249 | |||||||||
| Page Range: | pp. 249-265 | |||||||||
| Publisher: | Multi-Science Publishing | |||||||||
| ISSN: | 1750-9548 | |||||||||
| Status: | Published | |||||||||
| Keywords: | Fluid-Structure Interaction, Aircraft Ditching, SPH-FE Method, Validation | |||||||||
| HGF - Research field: | Aeronautics, Space and Transport | |||||||||
| HGF - Program: | Aeronautics | |||||||||
| HGF - Program Themes: | fixed-wing aircraft | |||||||||
| DLR - Research area: | Aeronautics | |||||||||
| DLR - Program: | L AR - Aircraft Research | |||||||||
| DLR - Research theme (Project): | L - Structures and Materials (old) | |||||||||
| Location: | Stuttgart | |||||||||
| Institutes and Institutions: | Institute of Structures and Design > Structural Integrity | |||||||||
| Deposited By: | Siemann, Dr. Martin | |||||||||
| Deposited On: | 14 Jan 2016 09:08 | |||||||||
| Last Modified: | 19 Nov 2021 20:32 |
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