NUMERICAL ANALYSIS OF WAVE PROPAGATION IN THREE-LAYER VISCOELASTIC RODS AND PLATES WITH A FILLER. American AgriTech: Journal of Agricultural Technology Innovation and Sustainability, [S. l.], v. 1, n. 05, p. 20–26, 2026. Disponível em: http://scientajournals.com/index.php/6/article/view/190. Acesso em: 20 sep. 2026.