*For sandwich panels always select ndmax=0, as local skin delamination is not assumed to affect the overall flexural stiffness of the panel
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Small mass impact simulation. Dimensionless solution for monolithic laminates and sandwich panels

  1. Monolithic laminates:

Olsson R (2010). Analytical model for delamination growth during small mass impact on plates. Int J Solids Struct;47(21):2884-2892.

https://doi.org/10.1016/j.ijsolstr.2010.06.015

  1. Sandwich panels:

Olsson R (2002). Engineering method for prediction of impact response and damage in sandwich panels. J Sandwich Struct Mater;4(1):83-95.

Olsson R (2013). Analytical models for impact response and damage growth in sandwich panels. CR13-011. Swerea SICOMP AB, Mölndal.