Abstract
One of the important scientific problems of modern construction is the detection of cracks in elements of building structures. Among a significant number of methods, ultrasound diagnostics is popular due to automation and speed of processing results. However, the accuracy of ultrasonic methods is in the range of 40%, which does not meet modern requirements. The article considers the problem of ultrasonic wave propagation in a brick and conducts a numerical analysis of the behavior of defects in the form of a crack. The results were obtained in the form of fields of displacements, deformations and stresses in the structure as a function of time. The results obtained make it possible to identify the characteristic features of the reaction of defects to dynamic impact and obtain numerical dependences of the response of the structure in comparison with samples without defects.
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