539.3 Modeling of RTM technology based on a two-phase filtration model in composites taking into account capillary effects
Dimitrienko Y. I. (Bauman Moscow State Technical University), Bogdanov I. O. (Bauman Moscow State Technical University)
RTM, COMPOSITES, FILTERING, BUCKLEY-LAVERETT FUNCTION, MANIPULA/SMCM
doi: 10.18698/2309-3684-2024-4-2943
The article considers the application of a two-phase filtration model taking into account capillary effects for modeling RTM technology used for the production of composite materials. A system of convection-diffusion equations is formulated. For its numerical solution, the Galerkin/least-squares (GLS) method is used, which allows eliminating oscillations in the solution that occur when the convective term predominates over the diffusion one. A comparison of the results obtained based on the two-phase filtration model and on the PAM-RTM software package is made. The model is implemented in the Manipula/SMCM software package, developed at the REC "SIMPLEX" of Bauman Moscow State Technical University.
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