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1. Analysis of the phenomenon
Two phenomena are responsible for door instability (figure 1 ):
expansion, which affects wood but also other materials;
longitudinal shrinkage of wood and wood products.
In both cases, we have a relative elongation dL of one face with respect to the other and therefore a curvature whose deflectionf (in mm) is given by the following relationship :
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Analysis of the phenomenon
Leaf stabilization technology
