DEVELOPMENT OF DamageCALC APPLICATION FOR AUTOMATIC CALCULATION OF THE DAMAGE INDICATOR
Keywords:
damage indicator, FRF (frequency response function), modal testing, automatic calculationAbstract
This paper presents the development of DamageCALC application for automatic calculation of Damage Detection and Relative Quantification indicator - DRQ. DamageCALC is developed using Visual Basic 6 and enables an automatic graphical interpretation of the damage indicator. The method based on DRQ indicator uses the frequency response functions as the characteristics of the dynamic response of the mechanical system. The DamageCALC automatically reads the measurement results, previously obtained from the modal testing of the beam structure, calculates the value of the corresponding coefficients and forms a chart for the graphical interpretation of the damage indicator values. Following the trend of the calculated DRQ indicators for several successive measurements of the structure, one can determine the existence of a damage of the structure and its propagation.
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