Institutional Repository
Technical University of Crete
Technical University of Crete
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| URI | http://purl.tuc.gr/dl/dias/AC32F209-BDAF-4F38-8520-8A5BD25271DB | - |
| Identifier | http://nsg.eage.org/publication/publicationdetails/?publication=75348 | - |
| Identifier | https://doi.org/10.3997/1873-0604.2014013 | - |
| Language | en | - |
| Extent | 11 pages | en |
| Title | Comparative study of different inversion techniques applied on Rayleigh surface wave dispersion curves | en |
| Creator | Kritikakis Georgios | en |
| Creator | Κρητικακης Γεωργιος | el |
| Creator | Vafeidis Antonios | en |
| Creator | Βαφειδης Αντωνιος | el |
| Creator | Papakonstantinou Konstantinos | en |
| Creator | O’Neill Adam | en |
| Publisher | EAGE | en |
| Content Summary | This study examines the performance of different inversion techniques applied on Rayleigh surface wave dispersion curves. The kriSIS algorithms implement the Quasi-Newton method, the L1 norm minimization, smoothness, damping and minimum gradient constraints and their combinations, as well as weighted inversion. Furthermore, any a priori geophysical or/and geotechnical information can be taken into account during the inversion. The proposed methodology is applied on two synthetic dispersion curves as well as two synthetic seismic records. Eight inversion parameters were tested per examined model resulting in 7680 tests. Three of them were tested on real data. The main outcome of this comparative study indicates that, for the tested models and real data, the Least Squares (L2 norm) inversion, using smoothness constraint and calculating the Jacobian matrix from analytical relationships or arithmetic differentiation, leads to the most reliable and accurate inversion results. | en |
| Type of Item | Peer-Reviewed Journal Publication | en |
| Type of Item | Δημοσίευση σε Περιοδικό με Κριτές | el |
| License | http://creativecommons.org/licenses/by/4.0/ | en |
| Date of Item | 2015-10-28 | - |
| Date of Publication | 2014 | - |
| Subject | Rayleigh surface wave | en |
| Bibliographic Citation | G. Kritikakis, A. Vafidis, K. Papakonstantinou and A. O’Neill, "Comparative study of different inversion techniques applied on Rayleigh surface wave dispersion curves", Near Surf. Geoph., vol. 12, no. 3, pp. 361-371, Jun. 2014. doi:10.3997/1873-0604.2014013 | en |
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