Comment on Mahariq et al. Investigation and Analysis of Acoustojets by Spectral Element Method. Mathematics 2022, 10, 3145

Igor V. Minin () and Oleg V. Minin
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Igor V. Minin: Nondestructive School, National Research Tomsk Polytechnic University, Lenin Ave, 30, 634050 Tomsk, Russia
Oleg V. Minin: Nondestructive School, National Research Tomsk Polytechnic University, Lenin Ave, 30, 634050 Tomsk, Russia

Mathematics, 2022, vol. 10, issue 23, 1-4

Abstract: The paper under discussion has some shortcomings in regard to mathematical formulation of the problem related to acoustics, its justification, some references analyses and the text, and we feel that this study has not been finished to its full extent. From the point of view of acoustic jet formation, the mathematical model used by the authors has a number of significant limitations which are not taken into account. Moreover, the formal analogy between the parameters of electromagnetic waves and acoustic waves should be used with caution in the conditions of localized beams (acoustic jet), and the limits of their application should be justified.

Keywords: acoustic jet; acoustojet; mesotronics; spectral method (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2022
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