Positive
out of flatness,
central espansion
central espansion
Negative
out of flatness,
central reduction
central reduction
Out of flatness can be of two kinds: positive or negative, according to the sign of the resultant curvature. This, in its turn, is a result of the center of the part increasing or reducing its size respectively. Very exagerated, the deformation modes look as follows
|
Positive
out of flatness,
central espansion |
Negative
out of flatness,
central reduction |
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