A finite element modeling of a multifunctional hybrid composite beam with viscoelastic materials

Ya Wang; Daniel J. Inman

doi:10.1117/12.2009824

3 April 2013 A finite element modeling of a multifunctional hybrid composite beam with viscoelastic materials

Ya Wang, Daniel J. Inman

Proceedings Volume 8689, Behavior and Mechanics of Multifunctional Materials and Composites 2013; 868919 (2013) https://doi.org/10.1117/12.2009824
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2013, San Diego, California, United States

Abstract

The multifunctional hybrid composite structure studied here consists of a ceramic outer layer capable of withstanding high temperatures, a functionally graded ceramic layer combining shape memory alloy (SMA) properties of NiTi together with Ti2AlC (called Graded Ceramic/Metal Composite, or GCMeC), and a high temperature sensor patch, followed by a polymer matrix composite laced with vascular cooling channels all held together with various epoxies. Due to the recoverable nature of SMA and adhesive properties of Ti2AlC, the damping behavior of the GCMeC is largely viscoelastic. This paper presents a finite element formulation for this multifunctional hybrid structure with embedded viscoelastic material. In order to implement the viscoelastic model into the finite element formulation, a second order three parameter Golla-Hughes-McTavish (GHM) method is used to describe the viscoelastic behavior. Considering the parameter identification, a strategy to estimate the fractional order of the time derivative and the relaxation time is outlined. The curve-fitting aspects of both GHM and ADF show good agreement with experimental data obtained from dynamic mechanics analysis. The performance of the finite element of the layered multifunctional beam is verified through experimental model analysis.

Citation Download Citation

Ya Wang and Daniel J. Inman "A finite element modeling of a multifunctional hybrid composite beam with viscoelastic materials", Proc. SPIE 8689, Behavior and Mechanics of Multifunctional Materials and Composites 2013, 868919 (3 April 2013); https://doi.org/10.1117/12.2009824

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