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This paper presents a new method to measure the location and degree of structural damage based on model updating. The method can refine dynamic model's stiffness matrix by using a subset vectors from the full set of acceleration frequency response functions that are extracted from test data and calculated from an updating finite element model. As a result, acceleration frequency response functions...
Optimal sensor placement method is very important in structural vibration test. This paper proposes an effective two-step arrangement method for sensors optimization, which is suitable for on-line monitoring scheme. In the first step, we calculate the utmost distance of sensors on a special structure by principle of elastic wave propagation and determine the preliminary number of sensors; in the second...
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