Crack and flaw identification in elastodynamics using Kalman filter techniques |
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| Authors: | Marek Engelhardt Georgios E Stavroulakis Heinz Antes |
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| Affiliation: | (1) Institute of Applied Mechanics, Department of Civil Engineering, Technical University of Braunschweig, Braunschweig, Germany;(2) Institute of Mechanics, Department of Mathematics, University of Ioannina, Ioannina, Greece;(3) Institute of Applied Mechanics, Department of Civil Engineering, Technical University of Braunschweig, Braunschweig, Germany |
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| Abstract: | Filter-driven optimization based on the extended Kalman filter concept is used here for the numerical solution of crack and
flaw identification problems in elastodynamics. The mechanical modeling of the studied two-dimensional problem, which includes
the effect of unilateral contact along the sides of the crack, is done with the help of the boundary element method. The effect
of various dynamical test loads and the applicability of this method for crack and defect identification in disks are investigated.
The work has been supported by the German Research Foundation (DFG). Partial support has been provided by a Greek-German Research
Cooperation Grant (IKYDA2001). This support is greatfully acknowledged. |
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| Keywords: | Inverse Problems Kalman Filters Crack Identification |
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