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Aeroviscoelasticity Designer FGMs: Passive Control Through Tailored Functionally Graded Materials

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Encyclopedia of Thermal Stresses

Overview

This entry covers four distinct areas, namely, the interaction in a closed loop system of designer aerodynamics, of viscoelastic materials and structures, and of controls. The presence of varying temperatures not only induces thermal stresses but also strongly affects material properties. The effects of temperature on viscoelastic material properties as well as on flutter velocities and times to reach flutter conditions are discussed. It is shown that optimized FGM distribution can increase flutter velocities and lengthen the time to when flutter will occur.

Introduction

The confluence of designer aerodynamics, of viscoelastic materials and structures, and of controls in a closed loop dynamical system introduces several distinct problems in each of the four contributing areas as well as in their ensemble.

All functionally graded materials, or FGMs for short, are from a fundamental mechanics point of view nonhomogeneous materials where the property distributions are prescribed...

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Authors and Affiliations

  1. Aerospace Engineering Department, College of Engineering and Private Sector Program Division, National Center for Supercomputing Applications (NCSA), University of Illinois at Urbana-Champaign (UIUC), 104 S. Wright Street, MC-236, Urbana, IL, 61801-2935, USA

    Harry H. Hilton

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  1. Harry H. Hilton
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Correspondence to Harry H. Hilton .

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Editors and Affiliations

  1. Department of Mechanical Engineering, Rochester Institute of Technology, Rochester, NY, USA

    Richard B. Hetnarski

  2. Naples, FL, USA

    Richard B. Hetnarski

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Hilton, H.H. (2014). Aeroviscoelasticity Designer FGMs: Passive Control Through Tailored Functionally Graded Materials. In: Hetnarski, R.B. (eds) Encyclopedia of Thermal Stresses. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-2739-7_550

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