Abstract

This chapter will report ballistic penetration damage of 3D woven fabrics from analytical modelling and numerical modelling (especially finite element method) approaches. The ballistic impact damages and energy absorption mechanisms will also be analysed. The first section introduces the modelling strategy of 3D woven fabrics under ballistic penetration. The current states of modelling for the multiscale structure of 3D woven fabric and modelling techniques will also be reviewed. The second section presents some finite element simulations of ballistic penetration damage of 3D woven fabric at the microstructure level. The third section reports the analytical modelling methodologies for optimization of 3D woven fabric in ballistic protection. The fourth section explains the energy absorptions of different yarn systems in 3D woven fabric under ballistic impact based on the finite element results. The ballistic damage mechanisms are analysed. The fifth section compares the ballistic tests. The analytical modelling will be validated for fabric design. The design principles of 3D woven fabric with high-impact damage tolerance will be given. The future trend on the ballistic impact protection of 3D woven fabric will be given.

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