Dr. X. Frank Xu of the Department of Civil, Environmental and Ocean Engineering at Stevens Institute of Technology is being given the prestigious 2010 K.J. Bathe Award for the Best Paper by a Young Researcher in the Field of Computational Engineering, published in Computers & Structures, for his paper "A Green-Function-Based Multiscale Method for Uncertainty Quantification of Finite Body Random Heterogeneous Materials".
The award was judged by an international panel of 31 academics and researchers, and won in a field of 34 candidates. Dr. Xu is an assistant professor of civil engineering in the Department of Civil, Environmental and Ocean Engineering. The award will be presented at the 9th World Congress on Computational Mechanics, Sydney, Australia, July 19-23, 2010.
The primary goal of this paper is to present research that can significantly improve the existing computational tools needed for accurate assessment and optimization of advanced materials such as functionally graded materials. Of critical importance to accurate prediction is the information on higher order of probabilistic moments and tails of statistics.
The next stage of this research will include:
- Developing a multiscale computation algorithm to efficiently resolve the Fredholm integral equation
- Characterizing the three-point and higher order correlation functions in realistic materials for quantification of the variance and higher moments of fast scale quantities
- Extending the formulation to nonlinear failure problems by taking plasticity, damage, and fracture into account
It is envisioned that following the novel multiscale formulation proposed in this study, further development of computational tools can have significant impacts on design and optimization of engineering materials.
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