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84 Fernando Flores and Eugenio Oñate ˜
radius r = 0.08 and a mass of 4.8 (one quarter), and is subjected to gravity load
during all the process.
Fig. 9. Inflation of asquareairbag against an spherical object. Deformed configurations
for different times. Left figure: results obtained with the full bending
formulation. Right figure: results obtained with a pure membrane solution
The mesh includes 8192 EBST1 elements and 4225 nodes on each surface of the
airbag. Figure 9 shows the deformed configurations for three different times. The
sequence on the left of the figure corresponds to an analysis including full bending
effects and the sequence on the right is the result of a pure membrane analysis.