MOIRÉ INTERFEROMETRY METHOD FOR NUMERICAL SIMULATION AND APPLICATIONS IN THREE-DIMENSIONAL METROLOGY-3D

F Mohammedi, S Bensaada

Abstract


The question that dominates and dictates the vision of this work is formed by the low spatial frequencies may appear in the combination of the light distribution of a periodical. The paper describes a method that allows the accurate prediction of the fringe localization in moiré. In the case of objects moving as a whole, Moiré can be applied thus as a metrological tool. The following applications are considered: study of mechanical vibrations and deformation, micro geometrical properties of surfaces. Several applications are emphasized: plane, cylindrical and spherical objects. Theoretical predictions are compared with experimental results.


Keywords


Digital image correlation, grid, phase, moiré, fringe projection

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References


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