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Multiscale Modeling of functionally gradient materials

Author: XiaoChun
Tutor: YueXingYe
School: University of Science and Technology of China
Course: Information and Computing Science
Keywords: Multiscale Modeling Thermoelastic Functionally gradient materials Heterogeneous multi-scale method Homogenization
CLC: TB34
Type: Master's thesis
Year: 2010
Downloads: 138
Quote: 0
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Abstract


The functionally gradient material has many practical applications, such as the housing of the spacecraft , both requirements of the high temperature characteristics , but also having a high strength . The research in this article Multiscale Modeling of functionally gradient materials . Macroscopic properties of solutions in order to get the multi-scale problems , a lot of multi-scale methods need to be solved in a series of local area micro issues . Artificial boundary conditions on the micro - structure of the addition of the original problem to a local problem dislocation resulting model error . In this article, we use the heterogeneous multiscale method (HMM) thermoelastic equation coefficients turbulent macro- modeling , and estimate the model error . In the first chapter , we introduce the background of functionally gradient materials . The second chapter , we give the basic equations of thermoelasticity and derive the homogenized equation . The third chapter we give multiscale modeling process . The fourth chapter is the focus of this article , we establish a model to make the error estimates .

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CLC: > Industrial Technology > General industrial technology > Materials science and engineering > Functional Materials
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