Abstract
This chapter of contribution presents a new numerical model for the analysis of structures of heterogeneous materials with linear viscoelastic constituents. The model is based on the recently developed parametric finite-volume theory. The use of quadrilateral subvolumes made possible by the mapping facilitates efficient modeling of microstructures with arbitrarily shaped heterogeneities, and eliminates artificial stress concentrations produced by the rectangular subvolumes employed in the standard version. The parametric formulation is here extended to model viscoelastic behavior. Several examples, including both homogeneous and heterogeneous situations, are analyzed. Comparison between numerical and analytical results has shown an excellent performance of the proposed model.
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Acknowledgments
The authors would like to gratefully acknowledge the support of the Brazilian federal agencies CNPq and CAPES.
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Marques, S.P.C., Escarpini Filho, R.S., Creus, G.J. (2013). A Parametric Finite-Volume Formulation for Linear Viscoelasticity. In: Öchsner, A., da Silva, L., Altenbach, H. (eds) Design and Analysis of Materials and Engineering Structures. Advanced Structured Materials, vol 32. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-32295-2_6
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DOI: https://doi.org/10.1007/978-3-642-32295-2_6
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