Computational Modelling and Advanced Simulations pp 33-48

Part of the Computational Methods in Applied Sciences book series (COMPUTMETHODS, volume 24) | Cite as

Mechanics of Viscoelastic Plates Made of FGMs

Chapter

Abstract

Considering the viscoelastic behavior of polymer foams a new plate theory based on the direct approach is introduced and applied to plates composed of functionally graded materials (FGM). The governing two-dimensional equations are formulated for a deformable surface, the viscoelastic effective stiffness parameters are identified assuming linear viscoelastic material behavior. The material properties are changing in the thickness direction. Solving some problems of the global structural analysis it will be demonstrated that in some cases the results significantly differ from the results based on the Kirchhoff-type theory. The aim of this paper is to extend the results of the analysis given in (ZAMM 88:332–341, 2008; Acta Mech 204:137–154, 2009; Key Eng Mater 399:63–70, 2009) related to the case of general linear viscoelastic behaviour and to discuss how the effective viscoelastic properties reflect the properties in the thickness direction.

Keywords

Plates Viscoelasticity Functionally graded material Foam 

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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  1. 1.Lehrstuhl für Technische Mechanik, Zentrum für IngenieurwissenschaftenMartin-Luther-Universität Halle-WittenbergHalle (Saale)Germany
  2. 2.South Scientific Center of RASci South Federal UniversityRostov on DonRussia

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