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Modeling of Polymer Composite Materials Chaotically Reinforced with Spherical and Cylindrical Inclusions.

Kristina Berladir¹, Dmytro Zhyhylii², Oksana Gaponova¹

¹Department of Applied Materials Science and Technology of Constructional Materials, Sumy State University, 2, Rymskogo-Korsakova St., 40007 Sumy, Ukraine.

|May 28, 2022

Summary

Predicting phase change material (PCM) performance is key for efficiency. This study uses finite element analysis to model PCM strength, validating it with experiments for better material design.

Keywords:

PCMs carbon fiber coke energy efficiency finite element model modeling polytetrafluoroethylene solid model strength

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Published on: March 12, 2014

Area of Science:

Materials Science
Mechanical Engineering
Computational Modeling

Background:

Predicting the performance of new phase change materials (PCMs) is crucial for their technical and economic viability.
Computer simulation using the finite element method (FEM) offers a solution for predicting material properties.

Purpose of the Study:

To experimentally determine the physical and mechanical properties of PTFE PCMs with varying fibrous and dispersed filler concentrations.
To develop and verify a finite element model for simulating the strength and load-bearing capacity of these composite materials, including damage accumulation.

Main Methods:

Experimental determination of PTFE PCM properties with different filler concentrations.
Development of a finite element model in ANSYS APDL for mechanical simulation.
Verification of the model by comparing simulation results with experimental data.

Main Results:

The finite element model accurately predicts the strength of composite materials with chaotically reinforced spherical inclusions.
Model predictions for materials with cylindrical inclusions require further analysis due to stress concentrators and modeling complexities.

Conclusions:

Finite element modeling is a viable tool for predicting the mechanical properties of composite PCMs.
Model accuracy is influenced by filler geometry and the need to account for stress concentrators in complex structures.