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Fig. 14

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Simulation numérique d'onde de surface générée par une source sismique (en haut, à droite) dans un milieu argileux. L'onde se propage à travers une « cape sismique » (centre de la figure) constituée de couches concentriques de sols de densité et module de Young hétérogènes. L'onde contourne le disque au centre, qui est protégé des ondes.

Modelling numerically a surface wave propagating in a clayey soil with a seismic source located in the top right part of the picture. The wave propagates through a "seismic cloack" (center of the figure) consisting of heterogeneous (E, ρ) concentric layers of soil.

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