Eur. Phys. J. Appl. Phys.
Volume 92, Number 1, October 2020
Advanced Materials for Energy Harvesting, Storage, Sensing and Environmental Engineering (ICOME 2019)
|Number of page(s)||6|
|Section||Nanomaterials and Nanotechnologies|
|Published online||02 October 2020|
Modelling of composite materials energy by fiber bundle model★
LBGIM, Ecole Normale Supérieure, University Hassan II, Casablanca, Morocco
2 Centre régional des métiers d'éducation et de formation Casablanca- Settat/ établissement Settat, Morocco
3 LPMC, University Chouaib Doukkali, El Jadida, Morocco
* e-mail: email@example.com
Received in final form: 3 August 2020
Accepted: 25 August 2020
Published online: 2 October 2020
In this paper, the fiber energy in composite materials, subject to an external constant load, is studied. The investigation is done in the framework of fiber bundle model with randomly oriented fibers. The charge transfer is done only between neighboring close fibers according to the local load sharing. During the breaking process, the fibers expand, increasing their elastic energy, but when the fiber breaks, it loses its link with its neighboring fibers reducing the cohesive energy of the materials. The results show that the material energy presents one maximal peak at cross over time which decreases linearly with the applied force and scales with the lifetime of the material. However, the temperature does not have a remarkable effect on the material energy variation. In addition, the link density fiber decreases exponentially with time. The characteristic time of the obtained profile decreases with the applied force. Moreover, this density decreases with applied forces according to the Lorentz law with a remarkable change at critical force value.
© EDP Sciences, 2020
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