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Professor, Faculty of Civil and Environmental Engineering, Tarbiat Modares University, P.O. Box 14115-397, Tehran, Iran. , nkhaji@modares.ac.ir
Abstract:   (161 Views)
It is well known that forward solution of dislocation on the fault plane is one of the most important issues for the earthquake source slip inversion. The dislocation on fault is explained by the Burgers vector on the fault plane that is called slip and plays a fundamental role to estimate displacement patterns in the whole medium. In addition, by using the slip function on the fault plane and Green's function as medium properties, it is possible to obtain displacement values in any points of a medium. This study shows that various assumptions for earth materials result in significant differences in displacements. Therefore, for the realistic ground motion simulations due to future earthquakes, it is imperative to consider the properties of earth materials with more attention. By implementing the elasto-static Green’s functions and based upon line integral representations due to an arbitrary Volterra dislocation loop, elastic displacements and strains due to finite fault dislocations in a functionally graded transversely isotropic (FGTI) half-space material is presented. Numerical examples are also provided to demonstrate the effect of material anisotropy on the internal and surface responses of the half-space.
Type of Study: Research | Subject: General
Received: 2022/04/26 | Revised: 2022/06/2 | Accepted: 2022/06/4 | ePublished ahead of print: 2022/06/18

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