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Published in:
2016 | OriginalPaper | Chapter
A Micromechanical Model for Hygrothermoelastic Heterogeneous Materials
Authors : Tian Tang, Sergio D. Felicelli
Published in: TMS 2015 144th Annual Meeting & Exhibition
Publisher: Springer International Publishing
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A micromechanics model has been developed for predicting effective hygrothermoelastic properties of composite materials and recovering the local fields within the unit cell. Starting from the functional of free energy, a variational statement governing the micromechanics model was formulated through an asymptotic expansion of the functional of free energy. Finite element method was employed to solve the fluctuation functions, which in turn were used to obtain the effective material properties and to recover the distributions of the local fields. Numerical examples were used to validate the theory and the code.