Superimposed Tuck Fold

Superimposed Tuck Fold

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Superimposed Tuck Fold

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The superimposed type fold operator is necessary in the case where two simple tucks are applied on opposite sides of an airbag and the intersection of those tucks must be avoided (Figure 28).


Figure 28: The idea of a superimposed tuck fold.

This operator has two variants: a thick one and thin one. The thick one creates the shape as it is shown in Figure 28 and the thin one may be applied in the case when the two single tucks are not overlapping.  In this case, it is not necessary to introduce the additional thickness to the airbag.  As it would be difficult for the program to check if the two tucks are overlapping in a general case, it is left to you to activate or not activate the thick option.

In the same figure, note that:

Contrasted with the simple fold, no maximum hc_img1 tangent value is required.
Two lines are needed for the definition of this kind of fold. Their orientation is irrelevant; the program automatically orients them correctly.

The absence of hc_img37 in the set of parameters may be explained by drawing the exact shape of a superimposed tuck fold (Figure 29).



Figure 29: The superimposed tuck shape.