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Friday, August 7, 2020 | History

3 edition of Thermo-elastic analysis of internally cooled structures using a higher order theory found in the catalog.

Thermo-elastic analysis of internally cooled structures using a higher order theory

Thermo-elastic analysis of internally cooled structures using a higher order theory

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  • 32 Currently reading

Published by National Aeronautics and Space Administration, Glenn Research Center, Available from NASA Center for Aerospace Information in [Cleveland, Ohio], Hanover, MD .
Written in English

    Subjects:
  • Thermoelasticity.,
  • Thermal analysis.,
  • Structural analysis.,
  • Thermodynamics.,
  • Cooling.

  • Edition Notes

    Other titlesThermoelastic analysis of internally cooled structures using a higher order theory
    StatementSteven M. Arnold, Brett A. Bednarcyk, Jacob Aboudi.
    Series[NASA technical memorandum] -- NASA/TM-2001-210702, NASA technical memorandum -- 210702.
    ContributionsBednarcyk, Brett A., Aboudi, Jacob, 1935-., NASA Glenn Research Center.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL18507785M

    dimensional stress analysis, wear and tear of plastics, impact properties of plastics, types of composites (fiber reinforced plastics), evaluation of elastic properties of composites, stress analysis of composite circular tubes (internal and external pressure), flat plate fixed at the edges and concentrated load, uniformly distributed load 4. Two subsequent chapters cover the analysis of the linear theory of micropolar thermoelastic bodies. The book concludes with a study of nonsimple thermoelastic materials, which are characterised by the inclusion of higher gradients of displacement in the basic postulates. Relevant examples and exercises which illustrate the theory are given.

      The Elastic and Thermo-elastic Properties of Composite Media. E H Kerner. By using an averaging procedure due to Bruggeman, and analysing the effect of a uniform hydrostatic compression and of a uniform tension on an average grain, a pair of de-coupled equations for the gross moduli is found for suspensions. The bulk coefficients of. Analysis of the impact using the known pressure–particle-velocity Hugoniot for PMMA and elastic Hugoniot for boron carbide provides a shock state in the ceramic of u h = km s −1 and. Starting from this Hugoniot state, appropriate translated and reflected Hugoniot relations are necessary to complete the spall analysis.

    An ordinary differential equation (ODE) is an equation containing an unknown function of one real or complex variable x, its derivatives, and some given functions of unknown function is generally represented by a variable (often denoted y), which, therefore, depends on x is often called the independent variable of the equation. The term "ordinary" is used in contrast with the term.   Design of such structures requires an accurate analysis of stresses induced by thermal as well as mechanical loads. A novel laminated plate theory and 3D finite element model based on first-order zig-zag sublaminate approximations are presented for thermal stress analysis of composite laminates and sandwich plates. The finite element is.


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Thermo-elastic analysis of internally cooled structures using a higher order theory Download PDF EPUB FB2

Thermo-Elastic Analysis of Internally Cooled Structures Using a Higher Order Theory Steven M. Arnold National Aeronautics and Space Administration Glenn Research Center Cleveland, Ohio Brett A. Bednarcyk Ohio Aerospace Institute Brook Park, Ohio Jacob Aboudi Tel Cited by: 4.

Herein, an in depth study is performed on the behavior of a flame-impinged silicon nitride plate with a TBC and internal channels cooled by forced air. The analysis is performed using the higher order theory for functionally graded materials (HOTFGM), which has been developed through NASA Glenn Research Center funding over the past several by: 9.

Thermo-Elastic Analysis of Internally Cooled Structures Using a Higher Order Theory. This paper presents the results of a study on the thermomechanical behavior of internally cooled silicon nitride structures. Silicon nitride is under consideration for elevated temperature aerospace engine applications.

and techniques for lowering the. More recently, this higher-order theory has been also employed by Arnold et al. () in the thermomechanical analysis of internally cooled structures and the analysis of adhesively bonded.

Thermo-elastic analysis of internally cooled structures using a higher order theory (OCoLC) Material Type: Government publication, National government publication, Internet resource: Document Type: Book, Internet Resource: All Authors / Contributors: Steven M Arnold; Brett A Bednarcyk; Jacob Aboudi; NASA Glenn Research Center.

Proceedings of the 47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Higher-Order Theory for Periodic Multiphase Materials With Inelastic Phases,” Thermo-Elastic Analysis of Internally Cooled Structures Using a Higher Order Theory,” NASA, Report No.

NASA/TM Using higher-order shear deformation theory (HSDT) and multi-layer method (MLM), a semi-analytical solution has been performed for the purpose of thermo-elastic analysis of functionally graded (FG) rotating thick cylindrical pressure vessels with variable thickness subjected to the temperature gradient and internal non-uniform pressure.

M-J. Pindera and J. Aboudi, "HOTCFGM-2D: A Coupled Higher-Order Theory for Cylindrical Structural Components With Bi-Directionally Graded Microstructures", NASA/CR, S.M.

Arnold, B.A. Bednarcyk and J. Aboudi, "Thermo-Elastic Analysis of Internally Cooled Structures Using a Higher Order Theory". NASA/TM, The higher order shear deformation theory results have been validated with Monte Carlo simulation results and compared with the results based on classical laminate and first order shear.

In Part I of this communication, the finite-volume theory for functionally graded materials was further extended to enable efficient analysis of structural components with curved boundaries, as well as efficient modeling of continuous inclusions with arbitrarily-shaped cross sections of a graded material’s microstructure, previously approximated using discretizations by rectangular subcells.

Abstract-In order to adequately reproduce the thermo-mechanical behaviour of metals under finite volume reduction and large temperature increase, it is necessary to use the second order thermo- elastic analysis, i.e. to use the free energy function expanded up to the third degree in. () Using Krylov-Padé model order reduction for accelerating design optimization of structures and vibrations in the frequency domain.

International Journal for. nold et al. () have used this theory for the thermomechanical analysis of internally cooled structures at elevated temperatures for aerospace engine applications. The higher order theory was also used in the analysis of adhesively bonded composite joints by Bed-narcyk and Yarrington () and Bednarcyk et al.

analysis, design, and life-prediction tools that enable the assessment of component and those that can be used to represent internal cooling passages, see the preceding figure) to name a few. In HOT-SMAC problems, materials can be Analysis of Internally Cooled Structures Using a Higher Order Theory.

NASA/TM, Efficient higher order shell theory for laminated composites with multiple delaminations. Characteristic-mode-based component mode synthesis for power flow analysis in complex structures.

Yung-Chang Tan, Matthew Castanier and; Finite elements in time domain for optimal control using higher-order shape functions. Sungho Park, Seung Kim and. The application of this research can be found in the analysis of cylinder structures with variable thickness whose surfaces are heated or cooled by fluids.

Cooling towers or cooling blades are cases in point. In this research, for the first time, using first-order temperature theory (FTT) and applying the virtual work method. subjected to thermo-elastic analysis following the development of a material model used to homogenize various 3-D reinforcement architectures.

Kumar et al. [10] carry out an extensive thermo-structural analysis of composite structures, including temperature dependent properties, and mechanical, thermal, and thermo-chemical loads, and. A thermo-elastic contact problem of functionally graded materials (FGMs) rotating brake disk with different pure brake pad areas under temperature dependent material properties is solved by.

Ghannad investigated thermo-elastic analysis in pressurized thick FGM cylinders with varying properties of power function based on higher-order shear deformation theory [21]. Significant manifestation of cardiovascular disease involves a regional dilation of the aorta termed an aortic.

A new efficient higher-order shear deformation theory for a doubly curved laminated composite shell Using high-order shear deformation theory in the analysis of Lamb’s waves propagation in materials reinforced with two families of fibers Vagif Mirsalimov Pages Original Paper.

A general disk form formulation for thermo-elastic. A thermo-elastic analysis of a multi-directional functionally graded thick rectangular plate with different boundary conditions is carried out in this study.

Some material properties are assumed to be temperature dependent and graded in all three spatial directions following a power law function.Stability analysis of rectangular parallel plates interacting with internal fluid flow and external supersonic gas flow Journal of Fluids and Structures, Vol.

78 A self-similar solution of a curved shock wave and its time-dependent force variation for a starting flat plate airfoil in supersonic flow. () Fast identification of cracks using higher-order topological sensitivity for 2-D potential problems. Engineering Analysis with Boundary Elements() The Topological Derivative of Homogenized Elastic Coefficients of Periodic Microstructures.