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The use of Riemann-Green's method is suggested and applied to the initial value problem. Upon numerical solution of the resulting integral equations, the Riemann function for smooth and sectionally-smooth media is constructed, several examples of materials and wave shapes being shown. The possible inclusion of boundary conditions is considered and the solution for semi-infinite media is obtained."]},{"key":"dc:title","label":"Title","values":["O método de Riemann na programação de ondas planas em meios elásticos inomogêneos"]}]}],"canonical_facts":{"dc:contributor.advisor":["Bevilacqua, Luiz"],"dc:creator":["Zindeluk, Moysés"],"dc:date.accessioned":["2018-02-05T15:50:50Z"],"dc:date.available":["2026-05-16T03:04:33Z"],"dc:date.issued":["1978-11"],"dc:description.abstract":["The governing equations for one-dimensional displacement and stress waves in non-homogeneous elastic media are derived. The use of Riemann-Green's method is suggested and applied to the initial value problem. 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