A numerical model for bird strike simulations in composite aerostructures

The present paper describes the implementation of an improved damage mechanics based material model combined with an equation of state to simúlate the progressive failure in composite aerostructures subjected to bird strike loading. A series of bird strike impacts on flat panels fabricated from low...

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Detalles Bibliográficos
Autores principales:	Donadon, Maurício Vicente, Arbelo, Mariano Andrés, Muller De Almeida, Sérgio Frascino
Formato:	Objeto de conferencia
Lenguaje:	Inglés
Publicado:	2008
Materias:	Ingeniería Aeronáutica composites impact damage mechanics finite elements
Acceso en línea:	http://sedici.unlp.edu.ar/handle/10915/158649
Aporte de:	SEDICI (UNLP) de Universidad Nacional de La Plata

id	I19-R120-10915-158649
record_format	dspace
spelling	I19-R120-10915-1586492023-10-09T20:01:14Z http://sedici.unlp.edu.ar/handle/10915/158649 A numerical model for bird strike simulations in composite aerostructures Donadon, Maurício Vicente Arbelo, Mariano Andrés Muller De Almeida, Sérgio Frascino 2008-12 2008 2023-10-09T18:29:04Z en Ingeniería Aeronáutica composites impact damage mechanics finite elements The present paper describes the implementation of an improved damage mechanics based material model combined with an equation of state to simúlate the progressive failure in composite aerostructures subjected to bird strike loading. A series of bird strike impacts on flat panels fabricated from low cosí woven glass composite materials are used to valídate the material model for practical composite component applications. The panels are modelled with shell elements only. The proposed material model can capture the strain rate enhancement to strength and strain in shear observed in composite materials. A hydrodynamic model for the bird, based on 90% water and 10% air, is derived to represent the behaviour of the bird for all impact scenarios considered. The bird is heterogeneous in nature. However, a uniform material behaviour is assumed with a geometry based on a 2:1 length to diameter ratio with a cylindrical body and spherical end caps using Lagragian mesh. Appropriate contact definitions are used between the bird and the composite panel. The simulations results are compared to experimental results and conclusions drawn. Facultad de Ingeniería Objeto de conferencia Objeto de conferencia http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf 271-279
institution	Universidad Nacional de La Plata
institution_str	I-19
repository_str	R-120
collection	SEDICI (UNLP)
language	Inglés
topic	Ingeniería Aeronáutica composites impact damage mechanics finite elements
spellingShingle	Ingeniería Aeronáutica composites impact damage mechanics finite elements Donadon, Maurício Vicente Arbelo, Mariano Andrés Muller De Almeida, Sérgio Frascino A numerical model for bird strike simulations in composite aerostructures
topic_facet	Ingeniería Aeronáutica composites impact damage mechanics finite elements
description	The present paper describes the implementation of an improved damage mechanics based material model combined with an equation of state to simúlate the progressive failure in composite aerostructures subjected to bird strike loading. A series of bird strike impacts on flat panels fabricated from low cosí woven glass composite materials are used to valídate the material model for practical composite component applications. The panels are modelled with shell elements only. The proposed material model can capture the strain rate enhancement to strength and strain in shear observed in composite materials. A hydrodynamic model for the bird, based on 90% water and 10% air, is derived to represent the behaviour of the bird for all impact scenarios considered. The bird is heterogeneous in nature. However, a uniform material behaviour is assumed with a geometry based on a 2:1 length to diameter ratio with a cylindrical body and spherical end caps using Lagragian mesh. Appropriate contact definitions are used between the bird and the composite panel. The simulations results are compared to experimental results and conclusions drawn.
format	Objeto de conferencia Objeto de conferencia
author	Donadon, Maurício Vicente Arbelo, Mariano Andrés Muller De Almeida, Sérgio Frascino
author_facet	Donadon, Maurício Vicente Arbelo, Mariano Andrés Muller De Almeida, Sérgio Frascino
author_sort	Donadon, Maurício Vicente
title	A numerical model for bird strike simulations in composite aerostructures
title_short	A numerical model for bird strike simulations in composite aerostructures
title_full	A numerical model for bird strike simulations in composite aerostructures
title_fullStr	A numerical model for bird strike simulations in composite aerostructures
title_full_unstemmed	A numerical model for bird strike simulations in composite aerostructures
title_sort	numerical model for bird strike simulations in composite aerostructures
publishDate	2008
url	http://sedici.unlp.edu.ar/handle/10915/158649
work_keys_str_mv	AT donadonmauriciovicente anumericalmodelforbirdstrikesimulationsincompositeaerostructures AT arbelomarianoandres anumericalmodelforbirdstrikesimulationsincompositeaerostructures AT mullerdealmeidasergiofrascino anumericalmodelforbirdstrikesimulationsincompositeaerostructures AT donadonmauriciovicente numericalmodelforbirdstrikesimulationsincompositeaerostructures AT arbelomarianoandres numericalmodelforbirdstrikesimulationsincompositeaerostructures AT mullerdealmeidasergiofrascino numericalmodelforbirdstrikesimulationsincompositeaerostructures
_version_	1807221502174560256

A numerical model for bird strike simulations in composite aerostructures

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