Some Modeling Strategies for Biobased Composites Behavior Studies

This paper aims to present some modeling strategies of mechanical behavior and structural analysis of composite and bio-composite materials. Developed approaches are based on the different works of the authors within the University of Reims Champagne-Ardenne. The first part of this paper is devoted to behavior modeling (homogenization procedure) using micromechanical and numerical approaches based on RVEs (Representative Elementary Volumes). It leads to parametric studies that analyze the impact of some parameters on composite materials’ behavior (elastic characteristics, dissipative properties, damage evolution). The second part is devoted to modeling the dissipative properties of natural fiber-reinforced polymer composites. To this end, damping modeling is made by considering a finite element-based procedure to evaluate the different strain energies dissipated in each layer of the laminates. The last part deals with modeling diffusion processes inside natural fibers reinforced polymer composites. Some numerical results are also presented for each strategy compared with experimental results.