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http://dx.doi.org/10.7234/kscm.2012.25.1.001

Calculation of Poroelastic Parameters of Porous Composites by Using Micromechanical Finite Element Models  

Kim, Sung-Jun (전북대학교 대학원 항공우주공학과)
Han, Su-Yeon (전북대학교 대학원 항공우주공학과)
Shin, Eui-Sup (전북대학교 항공우주공학과)
Publication Information
Composites Research / v.25, no.1, 2012 , pp. 1-8 More about this Journal
Abstract
In order to predict the thermoelastic behavior of porous composites, poroelastic parameters are measured by using micromechanics-based finite element models. The expanding deformation caused by pore pressure, and the degradation of homogenized elastic moduli with pores are calculated for the assessment of the poroelastic parameters. Various representative volume elements considering the shape, size, and array pattern of pores are modeled and analyzed by a finite element method. The effects of porosity and material anisotropy, and the distribution of stain energy density are investigated carefully. In addition, the measured poroelastic parameters are verified by predicting the thermo-pore-elastic behavior of carbon/phenolic composites.
Keywords
poroelastic parameter; micromechanics; finite element analysis; composite; thermoelasticity;
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