TaskObject deformation fields (magnitude and direction) can be determined with maximum efficiency and precision using
photogrammetric technology. A standard application for photogrammetric deformation measurement is climate testing for automotive
plastic parts or deformations of machines under load. On the right the deformation of a car (Fig. 1 and Fig. 2) and a stamping press (Fig. 3 and Fig. 4) are shown
at different load conditions.
ProcedureThe measuring principle is a least squares photogrammetric bundle adjustment. Two or more deformation states
for the target object are established. Transforming the two resulting datasets into a common coordinate system (vehicle-fixed
or floating), the deformations are shown as vectors.
ResultIn these examples we measured deformations of a few tenths of a millimeters. The 3D representation gives an overview
of the spatial orientation of the deformation. The resulting vectors can be color-coded and projected into the images (separated
by coordinate directions).