Crash safety analysis of carbon fiber reinforced plastic composite with lsdyna

Paper #:
  • 2018-01-0096

Published:
  • 2018-04-03
Abstract:
Dynamic 3-point bending test and axial crush test are performed on carbon fiber reinforced plastic (CFRP) composite components. The energy absorptions of unidirectional (UD) and woven fabric composites with different layups are compared at various impact velocities. The experimental results show delamination is one of the key failure modes. Without considering delamination in simulation, the predicted results are away from the experimental ones both in loading curve and failure phenomenon. With simple assumption of delamination, the simulation with MAT 54 and 58 in Lsdyna shows good agreement with the experimental ones.
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