期刊
APPLIED COMPOSITE MATERIALS
卷 21, 期 6, 页码 861-884出版社
SPRINGER
DOI: 10.1007/s10443-014-9388-1
关键词
Hypervelocity impact (HVI); Composite overwrapped pressure vessels (COPV); Numerical simulation; Smooth particles hydrodynamics (SPH); Finite elements method (FEM)
This paper presents a methodology for numerical simulation of the formation of the front wall damage in composite overwrapped pressure vessels under hypervelocity impact. Both SPH particles and Lagrangian finite elements were employed in combination for numerical simulations. Detailed numerical models implementing two filament winding patterns with different degree of interweaving were developed and used to simulate 2.5 km/s and 5.0 km/s impacts of 5 mm-diameter spherical aluminum-alloy projectile. Obtained results indicate that winding pattern may have a pronounced effect on vessel damage in case of orbital debris impact, influencing propagation of the stress waves in composite material.
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