Modeling and simulation of environmental impact damage of aerospace composites and its detection scheme

Robin James, Tae Hee Kim, Marc D. Navagato, Ram M. Narayanan

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

Advanced composite materials are being used extensively in many commercial and military aircraft and rotorcraft due to their superior stiffness and high strength-to-weight ratio. These composite materials are subjected to unexpected environmental impact loads at high speeds, such as bird strikes and hail stone impacts. The damages developed in such cases is primarily in the form of delaminations and matrix cracking, known as barely visible impact damage (BVID), since they are not easily observable by the naked eye. These environmental impact damages can severely compromise the overall strength of the composite structure thereby reducing the maximum load it can withstand. Prediction of such environmental impact damages, which can occur in the service life of the aircraft, are of paramount importance in the aerospace industry. This paper demonstrates the use of the smoothed particle hydrodynamics (SPH) modeling method to simulate the extreme deformation of the impactor (hailstone and bird) along with the composite plate. Since the physical testing of the aforementioned impact scenarios is extremely expensive and time consuming, the SPH modeling approach can be used as a co st - e f fe c t iv e t oo l i n t he d es ign of composite structures. This paper presents the results of simulated hailstone impact and bird impact occurring on an 8-layer unidirectional carbon fiber reinforced polymer (CFRP) plate. This paper also proposes a non-invasive microwave non-destructive testing (NDT) technique that could be employed as a detection methodology to detect the simulated impact damages. Radar signals operating in the X-band microwave frequency range (8-12 GHz) could be used to detect the delaminations occurring in between the layers of the unidirectional CFRP plate to obtain high-resolution 2D images of the impact damages.

Original languageEnglish (US)
Title of host publication32nd Technical Conference of the American Society for Composites 2017
EditorsR. Byron Pipes, Wenbin Yu, Johnathan Goodsell
PublisherDEStech Publications Inc.
Pages2363-2377
Number of pages15
ISBN (Electronic)9781510853065
StatePublished - Jan 1 2017
Event32nd Technical Conference of the American Society for Composites 2017 - West Lafayette, United States
Duration: Oct 23 2017Oct 25 2017

Publication series

Name32nd Technical Conference of the American Society for Composites 2017
Volume4

Other

Other32nd Technical Conference of the American Society for Composites 2017
CountryUnited States
CityWest Lafayette
Period10/23/1710/25/17

Fingerprint

Birds
Environmental impact
Composite structures
Delamination
Carbon fibers
Polymers
Composite materials
Hydrodynamics
Military aircraft
Aerospace industry
Precipitation (meteorology)
Microwave frequencies
Image resolution
Nondestructive examination
Service life
Radar
Microwaves
Aircraft
Stiffness
Testing

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites

Cite this

James, R., Kim, T. H., Navagato, M. D., & Narayanan, R. M. (2017). Modeling and simulation of environmental impact damage of aerospace composites and its detection scheme. In R. B. Pipes, W. Yu, & J. Goodsell (Eds.), 32nd Technical Conference of the American Society for Composites 2017 (pp. 2363-2377). (32nd Technical Conference of the American Society for Composites 2017; Vol. 4). DEStech Publications Inc..
James, Robin ; Kim, Tae Hee ; Navagato, Marc D. ; Narayanan, Ram M. / Modeling and simulation of environmental impact damage of aerospace composites and its detection scheme. 32nd Technical Conference of the American Society for Composites 2017. editor / R. Byron Pipes ; Wenbin Yu ; Johnathan Goodsell. DEStech Publications Inc., 2017. pp. 2363-2377 (32nd Technical Conference of the American Society for Composites 2017).
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James, R, Kim, TH, Navagato, MD & Narayanan, RM 2017, Modeling and simulation of environmental impact damage of aerospace composites and its detection scheme. in RB Pipes, W Yu & J Goodsell (eds), 32nd Technical Conference of the American Society for Composites 2017. 32nd Technical Conference of the American Society for Composites 2017, vol. 4, DEStech Publications Inc., pp. 2363-2377, 32nd Technical Conference of the American Society for Composites 2017, West Lafayette, United States, 10/23/17.

Modeling and simulation of environmental impact damage of aerospace composites and its detection scheme. / James, Robin; Kim, Tae Hee; Navagato, Marc D.; Narayanan, Ram M.

32nd Technical Conference of the American Society for Composites 2017. ed. / R. Byron Pipes; Wenbin Yu; Johnathan Goodsell. DEStech Publications Inc., 2017. p. 2363-2377 (32nd Technical Conference of the American Society for Composites 2017; Vol. 4).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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N2 - Advanced composite materials are being used extensively in many commercial and military aircraft and rotorcraft due to their superior stiffness and high strength-to-weight ratio. These composite materials are subjected to unexpected environmental impact loads at high speeds, such as bird strikes and hail stone impacts. The damages developed in such cases is primarily in the form of delaminations and matrix cracking, known as barely visible impact damage (BVID), since they are not easily observable by the naked eye. These environmental impact damages can severely compromise the overall strength of the composite structure thereby reducing the maximum load it can withstand. Prediction of such environmental impact damages, which can occur in the service life of the aircraft, are of paramount importance in the aerospace industry. This paper demonstrates the use of the smoothed particle hydrodynamics (SPH) modeling method to simulate the extreme deformation of the impactor (hailstone and bird) along with the composite plate. Since the physical testing of the aforementioned impact scenarios is extremely expensive and time consuming, the SPH modeling approach can be used as a co st - e f fe c t iv e t oo l i n t he d es ign of composite structures. This paper presents the results of simulated hailstone impact and bird impact occurring on an 8-layer unidirectional carbon fiber reinforced polymer (CFRP) plate. This paper also proposes a non-invasive microwave non-destructive testing (NDT) technique that could be employed as a detection methodology to detect the simulated impact damages. Radar signals operating in the X-band microwave frequency range (8-12 GHz) could be used to detect the delaminations occurring in between the layers of the unidirectional CFRP plate to obtain high-resolution 2D images of the impact damages.

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M3 - Conference contribution

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James R, Kim TH, Navagato MD, Narayanan RM. Modeling and simulation of environmental impact damage of aerospace composites and its detection scheme. In Pipes RB, Yu W, Goodsell J, editors, 32nd Technical Conference of the American Society for Composites 2017. DEStech Publications Inc. 2017. p. 2363-2377. (32nd Technical Conference of the American Society for Composites 2017).