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Numerical Analysis of Energy Dissipation and Frictional Effects in Aramid-Based Polymeric Fabrics Under Dynamic
Larisa Titire1, Cristian Munteniță1, Valentin Tiberiu Amorțilă1
1Faculty of Engineering, "Dunărea de Jos" University, 800008 Galati, Romania.
Polymers
|January 28, 2026
Summary
Interfacial friction and impactor material significantly influence aramid fabric response to high-velocity impacts. Moderate friction optimizes energy absorption by enhancing stress-wave dispersion and fabric layer activation.
Area of Science:
- Materials Science
- Mechanical Engineering
- Computational Mechanics
Background:
- Aramid fabrics are crucial for lightweight protective and structural applications.
- High-velocity impact response depends on fiber properties, friction, and impactor behavior.
Purpose of the Study:
- Investigate the coupled effects of interfacial friction and impactor material on aramid fabric dynamics.
- Provide quantitative insights for optimizing energy absorption and structural integrity.
Main Methods:
- Three-dimensional finite element simulations using ANSYS Explicit Dynamics.
- Parametric study of interfacial friction coefficient (0.0-0.5) and impactor material properties.
Main Results:
- Low friction allows yarn mobility and localized penetration.
- Moderate friction improves stress-wave dispersion and uniform layer activation.
- High friction reduces penetration but may cause localized stress concentrations.
Conclusions:
- Interfacial friction and impactor properties are critical design parameters for aramid fabrics under high-velocity impact.
- Simulation model accurately predicts experimental results, aiding material development.
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