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  4. A nonlinear gradient elasticity model for the prediction of seismic waves
 
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A nonlinear gradient elasticity model for the prediction of seismic waves

Citation Link: https://doi.org/10.15480/882.4644
Publikationstyp
Conference Paper
Date Issued
2022-07
Sprache
English
Author(s)
Dostal, Leo  
Hollm, Marten  orcid-logo
Metrikine, Andrei  
Fărăgău, Andrei  
Dalen, Karel N. van  
Institut
Mechanik und Meerestechnik M-13  
TORE-DOI
10.15480/882.4644
TORE-URI
http://hdl.handle.net/11420/13744
Citation
10th European Nonlinear Dynamics Conference (ENOC 2022)
Contribution to Conference
10th European Nonlinear Dynamics Conference, ENOC 2022  
Publisher Link
https://enoc2020.sciencesconf.org/382401
Publisher
Verlag nicht ermittelbar
We present a novel equation of motion for a nonlinear gradient elasticity model. Thereby, higher-order gradient terms are introduced to capture the effect of small-scale soil heterogeneity/micro-structure. Using a newly established finite difference scheme, corresponding solutions including stationary waves are determined. In comparison with a commonly used model for nonlinear seismic waves, which has leading derivatives of second order, the solutions of the novel equations are much smoother. This allows much more accurate numerical computations as well as more realistic predictions of the seismic waves.
DDC Class
530: Physik
600: Technik
620: Ingenieurwissenschaften
Publication version
acceptedVersion
Lizenz
http://rightsstatements.org/vocab/InC/1.0/
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