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http://dx.doi.org/10.12772/TSE.2020.57.233

Calculation Time Analysis of Cylindrical Voxel Model-Based Heat-Transfer Simulation for Fiber-Reinforced Composites  

Cho, Young Jun (Research Center, AXIA Materials Co. Ltd.)
Jung, Jin Young (Department of Materials Design Engineering, Kumoh National Institute of Technology)
Sul, In Hwan (Department of Materials Design Engineering, Kumoh National Institute of Technology)
Publication Information
Textile Science and Engineering / v.57, no.4, 2020 , pp. 233-238 More about this Journal
Abstract
The heat transfer process of fiber-reinforced composite materials depends on heterogeneous and complex boundary conditions, which limit the use of various conventional numerical methods. In this study, the finite difference method (FDM) was used to facilitate efficient numerical analysis. Fibers and fabrics were modeled as a series of cylinders and then transformed to a bulk of cubic-shaped element, known as "voxels," to implement the FDM. Each voxel contained a heat transfer coefficient of the matrix or reinforcement fiber, considering the fiber orientation angle. Two types of time integration methods, i.e., the explicit-Euler and implicit-explicit hybrid integration schemes, were adopted, and their calculation times were compared.
Keywords
fiber composite; heat transfer; finite difference method; time integration; voxel;
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