E3S Web Conf.
Volume 175, 2020XIII International Scientific and Practical Conference “State and Prospects for the Development of Agribusiness – INTERAGROMASH 2020”
|Number of page(s)||7|
|Published online||29 June 2020|
On a mathematical model of dynamics of the elastic wedge-shaped medium with radiating defect
Don Cossacks’ State Institute of Food Industry and Business (brunch) «MGUTU» named after K.G.Razumovsky (First Cossacks’ University), 55, Semashko, 344007, Rostov-on-Don, Russia
2 Don State Technical University, 1, Gagarin sq., 344010, Rostov-on-Don, Russia
3 Rostov State Transport University, 2, Rostovskogo Strelkovogo Polka Narodnogo Opolcheniya sq., 344038, Rostov-on-Don, Russia
* Corresponding author: email@example.com
In the paper the mixed boundary value problem of antiplane vibrations is considered in the elastic wedge-shaped medium containing the radiating defect J2. Radiating generators are assumed to be located on defect boundaries and on the interval J1 of the wedge free boundary as well. The problem of reconstructing the wave field in the whole wedgeshaped region with its boundary is stated. A number of problems of analyzing acoustic emission signals by radiating defect are reduced to the problem considered in connections with using non-destructive testing elements of the technological equipment under exploitation. The problem in question is reduced to studying the solvability problems of the equivalent boundary integral equation system both for stress saltus on the defect J2and contact stresses on the interval J1 of the upper plane of the wedge.
© The Authors, published by EDP Sciences, 2020
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