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  • 1
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    Thermal structures - Four decades of progress (1992)
    In:  Other Sources
    Details
    Publication Date: 2011-08-24
    Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
    Type: Journal of Aircraft (ISSN 0021-8669); 29; 3, Ma; 485-498
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Light thermal structures and materials for high speed flight (1992)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Over the last twenty years, unified viscoplastic constitutive models have evolved to meet this need. These constitutive models provide a means for representing a material's response from the elastic through the plastic range including strain-rate dependent plastic flow, creep, and stress relaxation. Rate-dependent plasticity effects are known to be important at elevated temperatures. The purpose of this paper is to describe computational and experimental research programs underway at the Light Thermal Structures Center focused on the investigation of the response of structures and materials to local heating. In the first part of the paper, finite element thermoviscoplastic analysis is highlighted. In the second part of the paper, the thermal-structures experimental program is outlined.
    Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
    Type: NASA. Langley Research Center, Computational Structures Technology for Airframes and Propulsion Systems; p 231-251
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Thermal structures - Four decades of progress (1990)
    In:  Other Sources
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    Publication Date: 2019-07-13
    Description: Since the first supersonic flight in October 1947, the United States has designed, developed and flown flight vehicles within increasingly severe aerothermal environments. Over this period, major advances in engineering capabilities have occurred that will enable the design of thermal structures for high speed flight vehicles in the twenty-first century. This paper surveys progress in thermal-structures for the last four decades to provide a historical perspective for future efforts.
    Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
    Type: AIAA PAPER 90-0971 , AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference; Apr 02, 1990 - Apr 04, 1990; Long Beach, CA; United States
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Thermo-viscoplastic analysis of hypersonic structures subjected to severe aerodynamic heating (1989)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: A thermoviscoplastic computational method for hypersonic structures is presented. The method employs a unified viscoplastic constitutive model implemented in a finite element approach for quasi-static thermal-structural analysis. Applications of the approach to convectively cooled hypersonic structures illustrate the effectiveness of the approach and provide insight into the transient inelastic structural behavior at elevated temperatures.
    Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
    Type: AIAA PAPER 89-1226 , AIAA, ASME, ASCE, AHS, and ASC, Structures, Structural Dynamics and Materials Conference; Apr 03, 1989 - Apr 05, 1989; Mobile, AL; United States
    Format: text
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    NASA TECHNICAL REPORTS
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