Resonant amplified seismic response within a hill or mountain
Geophysics
2020-02-04 v1
Abstract
We show theoretically what is meant by the term '(surface shape) resonance' in connection with the seismic response of a protuberance (emerging from flat ground) such as a hill or mountain of arbitrary shape. We address the specific problem of cylindrical protuberances of rectangular shape submitted to a SH plane wave. We find that the principal (i.e., qualitative) characteristics of the seismic response of a mountain are quite similar to those of a hill, and that the occurrence of significative amplification of the displacement field within these structures is due to the coupling of the incident wave to (surface shape) resonances.
Cite
@article{arxiv.2002.00389,
title = {Resonant amplified seismic response within a hill or mountain},
author = {Armand Wirgin},
journal= {arXiv preprint arXiv:2002.00389},
year = {2020}
}