3D surface measurements with isogeometric stereocorrelation—Application to complex shapes
The aim of the present study is to measure complex shapes of tested objects by using a priori information given by their CAD model via stereocorrelation. To follow a 3D object during its deformation and to determine 3D surface displacement fields, a first measurement of the object shape is necessary...
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| Veröffentlicht in: | Optics and lasers in engineering 2016-12, Vol.87, p.146-155 |
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| container_title | Optics and lasers in engineering |
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| creator | Dufour, John-Eric Leclercq, Sylvain Schneider, Julien Roux, Stéphane Hild, François |
| description | The aim of the present study is to measure complex shapes of tested objects by using a priori information given by their CAD model via stereocorrelation. To follow a 3D object during its deformation and to determine 3D surface displacement fields, a first measurement of the object shape is necessary. It is achieved by updating the CAD reference via a global approach to stereocorrelation. Once the 3D shape has been determined, the next step is to measure 3D displacement fields during loading. The kinematics of the deformed shape is assumed to be written within the same isogeometric framework. Isogeometric stereocorrelation is applied to analyze a compression test on a ribbed cylinder in two different configurations of the stereo rig.
•Global stereocorrelation applied to complex shape of component of landing gear.•Regularization procedure of global stereocorrelation.•Multiscale approach in global stereocorrelation. |
| doi_str_mv | 10.1016/j.optlaseng.2016.02.018 |
| format | Article |
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| identifier | ISSN: 0143-8166 |
| ispartof | Optics and lasers in engineering, 2016-12, Vol.87, p.146-155 |
| issn | 0143-8166 1873-0302 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Displacement Freeform surfaces Mechanics Mechanics of materials Physics Stereocorrelation |
| title | 3D surface measurements with isogeometric stereocorrelation—Application to complex shapes |
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