A Review Of The Analytical Simulation Of Aircraft Crash Dynamics
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A Review Of The Analytical Simulation Of Aircraft Crash Dynamics
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-06-28
A Review Of The Analytical Simulation Of Aircraft Crash Dynamics written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-28 with categories.
A large number of full scale tests of general aviation aircraft, helicopters, and one unique air-to-ground controlled impact of a transport aircraft were performed. Additionally, research was also conducted on seat dynamic performance, load-limiting seats, load limiting subfloor designs, and emergency-locator-transmitters (ELTs). Computer programs were developed to provide designers with methods for predicting accelerations, velocities, and displacements of collapsing structure and for estimating the human response to crash loads. The results of full scale aircraft and component tests were used to verify and guide the development of analytical simulation tools and to demonstrate impact load attenuating concepts. Analytical simulation of metal and composite aircraft crash dynamics are addressed. Finite element models are examined to determine their degree of corroboration by experimental data and to reveal deficiencies requiring further development. Fasanella, Edwin L. and Carden, Huey D. and Boitnott, Richard L. and Hayduk, Robert J. Langley Research Center RTOP 505-63-01-11...
A Review Of The Analytical Simulation Of Aircraft Crash Dynamics
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Author : National Aeronautics and Space Administration NASA
language : en
Publisher:
Release Date : 2018-10-23
A Review Of The Analytical Simulation Of Aircraft Crash Dynamics written by National Aeronautics and Space Administration NASA and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-23 with categories.
A large number of full scale tests of general aviation aircraft, helicopters, and one unique air-to-ground controlled impact of a transport aircraft were performed. Additionally, research was also conducted on seat dynamic performance, load-limiting seats, load limiting subfloor designs, and emergency-locator-transmitters (ELTs). Computer programs were developed to provide designers with methods for predicting accelerations, velocities, and displacements of collapsing structure and for estimating the human response to crash loads. The results of full scale aircraft and component tests were used to verify and guide the development of analytical simulation tools and to demonstrate impact load attenuating concepts. Analytical simulation of metal and composite aircraft crash dynamics are addressed. Finite element models are examined to determine their degree of corroboration by experimental data and to reveal deficiencies requiring further development. Fasanella, Edwin L. and Carden, Huey D. and Boitnott, Richard L. and Hayduk, Robert J. Langley Research Center RTOP 505-63-01-11...
A Review Of The Analytical Simulation Of Aircraft Crash Dynamics
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Author : Edwin L. Fasanella
language : en
Publisher:
Release Date : 1990
A Review Of The Analytical Simulation Of Aircraft Crash Dynamics written by Edwin L. Fasanella and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.
Best Practices For Crash Modeling And Simulation
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Author : Edwin L. Fasanella
language : en
Publisher:
Release Date : 2002
Best Practices For Crash Modeling And Simulation written by Edwin L. Fasanella and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Airplanes categories.
Best Practices For Crash Modeling And Simulation
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-08-27
Best Practices For Crash Modeling And Simulation written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-27 with categories.
Aviation safety can be greatly enhanced by the expeditious use of computer simulations of crash impact. Unlike automotive impact testing, which is now routine, experimental crash tests of even small aircraft are expensive and complex due to the high cost of the aircraft and the myriad of crash impact conditions that must be considered. Ultimately, the goal is to utilize full-scale crash simulations of aircraft for design evaluation and certification. The objective of this publication is to describe "best practices" for modeling aircraft impact using explicit nonlinear dynamic finite element codes such as LS-DYNA, DYNA3D, and MSC.Dytran. Although "best practices" is somewhat relative, it is hoped that the authors' experience will help others to avoid some of the common pitfalls in modeling that are not documented in one single publication. In addition, a discussion of experimental data analysis, digital filtering, and test-analysis correlation is provided. Finally, some examples of aircraft crash simulations are described in several appendices following the main report.Fasanella, Edwin L. and Jackson, Karen E.Langley Research CenterAIRCRAFT SAFETY; NONLINEARITY; FINITE ELEMENT METHOD; AIRCRAFT ACCIDENTS; COMPUTERIZED SIMULATION; CRASHES; IMPACT TESTS; AIRCRAFT DESIGN; AUTOMOBILES; CERTIFICATION; CORRELATION; COSTS; FLIGHT SAFETY...
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.
Krash Dynamics Analysis Modeling Transport Airplane Controlled Impact Demonstration Test Revision
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Author : Gil Wittlin
language : en
Publisher:
Release Date : 1986
Krash Dynamics Analysis Modeling Transport Airplane Controlled Impact Demonstration Test Revision written by Gil Wittlin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
A transport airplane Controlled Impact Demonstration (CID) test is analyzed with program KRASH. Prior to modeling the test condition, supporting analysis of both narrow-body and wide-body transport airplane frame segments were modeled with KRASH and compared to existing test results. The results of the analysis are utilized as input data for the KRASH CID model. Prior to the CID test a narrow-body transport airplane was impacted with the ground, via a free fall drop, to obtain structure crush and damage data. KRASH modeling of this test was used to refine the CID KRASH model. The CID KRASH model is exercised to obtain anticipated floor accelerations, underside crush, fuselage forces, and deflections. All KRASH modeling is performed utilizing current enhancement features. The latest KRASH85 input-output format is described in a separate report. Contained in this report are descriptions of the following: (1) Recent KRASH85 coding changes to enhance its usage, (2) KRASH models and results for both narrow-body and wide-body transport airplane frame section drop tests, (3) KRASH model and results for a narrow-body transport airplane drop test, (4) KRASH model and results for a CID test to be performed, (5) Conclusions based on the CID pre-test analysis results. Keywords: KRASH, Crashworthiness, Crash dynamics computer simulation, Controlled impact demonstration, CID, Analytical predictions transport airplane.
Analytical Modeling Of Transport Aircraft Crash Scenarios To Obtain Floor Pulses
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Author : Gil Wittlin
language : en
Publisher:
Release Date : 1983
Analytical Modeling Of Transport Aircraft Crash Scenarios To Obtain Floor Pulses written by Gil Wittlin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Aircraft cabins categories.
Beyond The Black Box
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Author : George Bibel
language : en
Publisher: JHU Press
Release Date : 2008-01-31
Beyond The Black Box written by George Bibel and has been published by JHU Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-01-31 with Science categories.
The black box is orange—and there are actually two of them. They house the cockpit voice recorder and the flight data recorder, instruments vital to airplane crash analyses. But accident investigators cannot rely on the black boxes alone. Beginning with the 1931 Fokker F-10A crash that killed legendary football coach Knute Rockne, this fascinating book provides a behind-the-scenes look at plane wreck investigations. Professor George Bibel shows how forensic experts, scientists, and engineers analyze factors like impact, debris, loading, fire patterns, metallurgy, fracture, crash testing, and human tolerances to determine why planes fall from the sky—and how the information gleaned from accident reconstruction is incorporated into aircraft design and operation to keep commercial aviation as safe as possible.
Computational Methods For Crashworthiness
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Author : Workshop on Computational Methods for Crashworthiness
language : en
Publisher:
Release Date : 1993
Computational Methods For Crashworthiness written by Workshop on Computational Methods for Crashworthiness and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Aeronautics categories.