Search Results - "Sanes Negrete, Sergio"

Modeling acoustic waves in locally enhanced meshes with a staggered-grid finite difference approach by Sanes Negrete, Sergio, Muñoz-Cuartas, Juan C., Vera-Ciro, Carlos A., van Dongen, Koen W.A.

“…Finite difference is a well-suited technique for modeling acoustic wave propagation in heterogeneous media as well as for imaging and inversion. Typically, the…”
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Non-perturbative effects of primordial curvature perturbations on the apparent value of a cosmological constant by Romano, Antonio Enea, Sanes Negrete, Sergio, Sasaki, Misao, Starobinsky, Alexei A.

“…We study effects on the luminosity distance of a local inhomogeneity seeded by primordial curvature perturbations of the type predicted by the inflationary…”
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Migration Methods with Curved Coordinate Systems by Negrete, Sergio Sanes, Munoz-Cuartas, Juan C, van Dongen, Koen W.A.

“…Reverse time migration (RTM) is a method developed for performing non-invasive physical imaging. It aims to generate diagnostic images based on forward and…”
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