Full Scale Crash Test And Finite Element Simulation Of A Composite Prototype Helicopter

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Full-Scale Crash Test and Finite Element Simulation of a Composite Prototype Helicopter

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Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781721132966
Total Pages : 122 pages
Book Rating : 4.1/5 (329 download)

Book Synopsis Full-Scale Crash Test and Finite Element Simulation of a Composite Prototype Helicopter by : National Aeronautics and Space Administration (NASA)

Download or read book Full-Scale Crash Test and Finite Element Simulation of a Composite Prototype Helicopter written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-15 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: A full-scale crash test of a prototype composite helicopter was performed at the Impact Dynamics Research Facility at NASA Langley Research Center in 1999 to obtain data for validation of a finite element crash simulation. The helicopter was the flight test article built by Sikorsky Aircraft during the Advanced Composite Airframe Program (ACAP). The composite helicopter was designed to meet the stringent Military Standard (MIL-STD-1290A) crashworthiness criteria and was outfitted with two crew and two troop seats and four anthropomorphic dummies. The test was performed at 38-ft/s vertical and 32.5-ft/s horizontal velocity onto a rigid surface. An existing modal-vibration model of the Sikorsky ACAP helicopter was converted into a model suitable for crash simulation. A two-stage modeling approach was implemented and an external user-defined subroutine was developed to represent the complex landing gear response. The crash simulation was executed with a nonlinear, explicit transient dynamic finite element code. Predictions of structural deformation and failure, the sequence of events, and the dynamic response of the airframe structure were generated and the numerical results were correlated with the experimental data to validate the simulation. The test results, the model development, and the test-analysis correlation are described. Jackson, Karen E. and Fasanella, Edwin L. and Boitnott, Richard L. and Lyle, Karen H. Langley Research Center 728-50-10-01

Occupant Responses in a Full-Scale Crash Test of the Sikorsky ACAP Helicopter

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Author :
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (317 download)

Book Synopsis Occupant Responses in a Full-Scale Crash Test of the Sikorsky ACAP Helicopter by :

Download or read book Occupant Responses in a Full-Scale Crash Test of the Sikorsky ACAP Helicopter written by and published by . This book was released on 2002 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: A full-scale crash test of the Sikorsky Advanced Composite Airframe Program (ACAP) helicopter was performed in 1999 to generate experimental data for correlation with a crash simulation developed using an explicit nonlinear, transient dynamic finite element code. The airframe was the residual flight test hardware from the ACAP program. For the test, the aircraft was outfitted with two crew and two troop seats, and four anthropomorphic test dummies. While the results of the impact test and crash simulation have been documented fairly extensively in the literature, the focus of this paper is to present the detailed occupant response data obtained from the crash test and to correlate the results with injury prediction models. These injury models include the Dynamic Response Index (DRI), the Head Injury Criteria (HIC), the spinal load requirement defined in FAR Part 27.562(c), and a comparison of the duration and magnitude of the occupant vertical acceleration responses whole-body acceleration tolerance curve.

Smart Textiles for In Situ Monitoring of Composites

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Author : Vladan Koncar
Publisher : Woodhead Publishing
ISBN 13 : 008102309X
Total Pages : 424 pages
Book Rating : 4.0/5 (81 download)

Book Synopsis Smart Textiles for In Situ Monitoring of Composites by : Vladan Koncar

Download or read book Smart Textiles for In Situ Monitoring of Composites written by Vladan Koncar and published by Woodhead Publishing. This book was released on 2018-10-29 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: Smart Textiles for in situ Monitoring of Composites proposes a 'smart textile' approach to help solve the problem of real-time monitoring of the structural health of composites. The book combines textiles, composites and structural health monitoring knowledge to present an integrated approach to the deployment of smart textiles to monitor failure modes in composite materials. It introduces the theory of smart textiles for monitoring and measurement applications, describes established and developing techniques and approaches for using smart textiles for in-situ monitoring, and includes different fiber/matrix combinations and hybrid structures that are all presented using academic research and real-world case studies. As smart textiles are fitted with flexible adapted sensors and actuators that detect stress, deformation, temperature changes, light intensity, and other signals from the environment, this book is a timely resource on the topic. - Proposes a 'smart textile' approach to in situ monitoring of the structural health of composites where the composite structure's functionalized reinforcement also plays a role - Discusses the impact of this technology on different reinforcement materials and matrices - Demonstrates, through a review of research and case studies, the implementation of sensing and measurement systems

Scientific and Technical Aerospace Reports

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Author :
Publisher :
ISBN 13 :
Total Pages : 1460 pages
Book Rating : 4.:/5 (31 download)

Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1991 with total page 1460 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

Symposium on Vehicle Crashworthiness Including Impact Biomechanics

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Author : Pin Tong
Publisher :
ISBN 13 :
Total Pages : 172 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Symposium on Vehicle Crashworthiness Including Impact Biomechanics by : Pin Tong

Download or read book Symposium on Vehicle Crashworthiness Including Impact Biomechanics written by Pin Tong and published by . This book was released on 1986 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:

International Aerospace Abstracts

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Author :
Publisher :
ISBN 13 :
Total Pages : 1016 pages
Book Rating : 4.F/5 ( download)

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Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 1016 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dynamic Behavior of Soft and Hard Materials Volume 1

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Author : R. Velmurugan
Publisher : Springer Nature
ISBN 13 : 9819960304
Total Pages : 537 pages
Book Rating : 4.8/5 (199 download)

Book Synopsis Dynamic Behavior of Soft and Hard Materials Volume 1 by : R. Velmurugan

Download or read book Dynamic Behavior of Soft and Hard Materials Volume 1 written by R. Velmurugan and published by Springer Nature. This book was released on 2023-12-31 with total page 537 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises the select peer-reviewed proceedings of the 13th International Symposium on Plasticity and Impact Mechanics (IMPLAST) 2022, which was held at Indian Institute of Technology, Madras, to commemorate the 80th birthday of Prof. N K Gupta, IIT, Delhi. It aims to provide a comprehensive and broad-spectrum picture of the state-of-the-art research and development in diverse areas, such as constitutive relations, theories of plasticity, stress waves in solids, earthquake loading, high-speed impact problems, fire and blast loading, structural crashworthiness and failure, mechanics of penetration and perforation, among others. The contents focus on aspects of large deformations and failure of materials, including metals, composites, cellular, geomaterials, or concrete, and structures resulting from quasi-static earthquake, fire, impact, or blast loading. This book is a valuable resource for researchers and professionals working in academia and industry in the areas of mechanical, materials, and aerospace engineering.

Verti-flite

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Author :
Publisher :
ISBN 13 :
Total Pages : 626 pages
Book Rating : 4.E/5 ( download)

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Download or read book Verti-flite written by and published by . This book was released on 2004 with total page 626 pages. Available in PDF, EPUB and Kindle. Book excerpt:

AGARD Index of Publications

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Author : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development
Publisher :
ISBN 13 :
Total Pages : 410 pages
Book Rating : 4.3/5 (243 download)

Book Synopsis AGARD Index of Publications by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development

Download or read book AGARD Index of Publications written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development and published by . This book was released on 1986 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Aeronautical Engineering

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Publisher :
ISBN 13 :
Total Pages : 712 pages
Book Rating : 4.F/5 ( download)

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Download or read book Aeronautical Engineering written by and published by . This book was released on 1993 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt: A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA)

NASA SP.

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Author :
Publisher :
ISBN 13 :
Total Pages : 360 pages
Book Rating : 4.:/5 (319 download)

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Download or read book NASA SP. written by and published by . This book was released on 1993 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Monthly Catalog of United States Government Publications

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Author : United States. Superintendent of Documents
Publisher :
ISBN 13 :
Total Pages : 1072 pages
Book Rating : 4.:/5 (319 download)

Book Synopsis Monthly Catalog of United States Government Publications by : United States. Superintendent of Documents

Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1993 with total page 1072 pages. Available in PDF, EPUB and Kindle. Book excerpt: February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index

Monthly Catalogue, United States Public Documents

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Publisher :
ISBN 13 :
Total Pages : 1786 pages
Book Rating : 4.:/5 (31 download)

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Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1993 with total page 1786 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government Reports Announcements & Index

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Author :
Publisher :
ISBN 13 :
Total Pages : 636 pages
Book Rating : 4.:/5 (3 download)

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Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1990 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Best Practices for Crash Modeling and Simulation

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Author : Edwin L. Fasanella
Publisher :
ISBN 13 :
Total Pages : 102 pages
Book Rating : 4.:/5 (317 download)

Book Synopsis Best Practices for Crash Modeling and Simulation by : Edwin L. Fasanella

Download or read book Best Practices for Crash Modeling and Simulation written by Edwin L. Fasanella and published by . This book was released on 2002 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Aeronautical Engineering: A Cumulative Index to a Continuing Bibliography (supplement 287)

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Author :
Publisher :
ISBN 13 :
Total Pages : 706 pages
Book Rating : 4.:/5 (317 download)

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Download or read book Aeronautical Engineering: A Cumulative Index to a Continuing Bibliography (supplement 287) written by and published by . This book was released on 1993 with total page 706 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Engineered Materials Abstracts

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Publisher :
ISBN 13 :
Total Pages : 674 pages
Book Rating : 4.3/5 (91 download)

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Download or read book Engineered Materials Abstracts written by and published by . This book was released on 1986-04 with total page 674 pages. Available in PDF, EPUB and Kindle. Book excerpt: