Simulation of the propagation of acoustic waves by the finite element method
Source abstract
Abstract
The results of numerical (in the COSMOS/M environment) and physical simulations of the processes of acoustic-wave propagation in homogeneous linear, flat, and bulk bodies are presented. The characteristics of longitudinal waves as functions of the boundary conditions (rigid and hinged fixation, interface between media) were obtained numerically. The waveguide properties of models near geometrical concentrators in the form of a hole and a crack were investigated under pulsed external actions. The fields of dynamic displacements and stresses were calculated.
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Research context
OpenAlex topics: Geotechnical and Geomechanical Engineering · Industrial Engineering and Technologies · Engineering Technology and Methodologies
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References (3)
Show source-provided references
1. Ser’eznov, A.N., Stepanova, L.N., Ivliev, V.V., et al., Akustiko-emissionnyi kontrol’ zheleznodorozhnykh konstruktsii (Acoustic-Emission Testing of Railway Structures), Novosibirsk: Nauka, 2011.
2. Cheng, A.C.H. and Blanch, J.O., Numerical Modeling of Elastic Wave Propagation in a Fluid-Filled Borehole, Commun. Comput. Phys., vol. 3, no. 1, pp. 33–51.
3. Timoshenko, S.P. and Gud’er, Dzh., Teoriya uprugosti (Elasticity Theory), Moscow: Nauka, 1979.